If you are looking for a top quality Internorm window for your Donegal home, then our collection is the envy of our competitors. Our Internorm windows are popular with homeowners, architects and developers thanks to their perfect balance of form and function. To find out more about our Internorm windows, contact us today or use our online engine for your free no obligation quotation.
If you are looking for a top quality Internorm window for your Donegal home, then our collection is the envy of our competitors. Our Internorm windows are popular with homeowners, architects and developers thanks to their perfect balance of form and function. To find out more about our Internorm windows, contact us today or use our online engine for your free no obligation quotation.
When you come to Feneco for your Internorm windows, you don’t just get a top-quality home improvement product that helps your Donegal home reach or exceed Passive House Standards, you get the choice to customise your Internorm window. Our Internorm windows are available as triple glazed in their standard form, but we also offer them as double glazed.
To ensure that you get the Internorm windows that best suit your personal taste and the architectural style of your home we offer ours in a variety of ambient styles. We offer you Home Soft, Home Pure, Studio and a host of other options. The good news is that you don’t have to limit yourself to just one style in your Donegal home, you can mix them up to create your own personal atmosphere.
Due to the way our Internorm windows are manufactured when you install them, you can expect to see your property’s performance levels increase as well as gain several practical benefits. These are enhanced security, thermal efficiency and weatherproofing. When you choose Feneco Internorm windows you are getting the best product on the market today.
Start Your Project
Our Internorm uPVC windows are deservedly one of the most popular Internorm windows on the market today. This is because they give homeowners, developers and architects the chance to give their projects a contemporary appearance while also knowing that our Internorm uPVC windows help their homes reach and exceed Passive House Standards. These Internorm uPVC windows are the classic example of design and performance working in perfect tandem.
When you choose to install our Internorm uPVC windows you get the opportunity to customise them to reflect your own requirements and specifications. Our Internorm uPVC windows come with several possible additional extras, for example, you might want to think about Internorm’s I-tec solution, which allows you to enhance the security levels of our Internorm uPVC windows as well as increase your Donegal’s thermal efficiency.
With Internorm uPVC windows, you get I-tec Glazing as standard, meaning that your Internorm uPVC windows are completely weatherproof, so no matter how bad the weather is, your Internorm uPVC windows will remain performing and looking as good as the day we installed them.
Book An Appointment
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,65
35 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,63
33 - 46
up to RC3, RC2
The KF 410 has a complete flush transition from sash to frame, completing this window as one unit. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.
With low U-values, it’s a cost efficient window option with compliant accreditations. Secured By Design and Lifetime Homes accreditations make them an ideal option for any home. Intelligent Internorm technology is integrated into this KF 410 style window system.
I-tec innovations such as I-tec Glazing and I-tec Ventilation ensure optimum stability, thermal insulation and security. These windows are controlled at the touch of a button, enabling simple and stress free operation of your window via smartphone or tablet.
Uw up to 0.62
34 - 45
Up to RC1N, RC2
KF 520 uPVC windows combine innovative design with advanced technology. This window meets the highest standards of burglary protection, with I-tec Secure and innovative locking systems.
Integrated flaps press on all sides into the frame interior when locking and thus ensure maximum burglary protection.
The sleek frame offers excellent thermal efficiency and sound reduction for maximum comfort. Optional built in ventilation can be added into the window frame with the I-tec Ventilation system. I-tec Glazing gives stability, thermal insulation, and security due to the all round bonding of the glass pane.
Uw up to 0,63
33 - 46
up to RC3, RC2
The traditional and sophisticated KF 310 has a sleek appearance alongside reliable technology. This range of windows is characterised by thermal insulation and impressive sound reduction values.
With a round bonded glass pane, the KF 310 is available in a large selection of colours, glazing and handles. They can also make the ideal addition to the balcony and patio doors, with integrated Juliet balcony.
I-tec glazing ensures excellent stability. The glass pane is glued all around the frame, ensuring superior levels of security and thermal insulation.
Uw up to 0,69
33 - 45
up to RC1N, RC2
The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.
This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.
Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.
Uw up to 0,65
35 - 45
up to RC1N, RC2
The FK 310 is a slim window with a construction depth of 74 mm. The rounded edges of sash and frame match design is elegant and cosy.
The strong aluminium cladding on the outside can be designed in many colours. The 6 chamber frame profile ensures superior levels of thermal insulation. Three continuous gaskets protect you home from the wet whilst improving thermal insulation and sound reduction.
I-tec Glazing, the continuous all round bonding of the glass pane, makes this style of window even more stable and boosts burglary protection
Uw up to 0,69
33 - 45
up to RC1N, RC2
The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.
This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.
Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.
Uw up to 0,65
35 - 45
up to RC1N, RC2
The KF 410 window offers sleek aesthetics with its 93mm construction depth and square edged frame design. This Passivhaus certified window demonstrates thermal insulation, with U-values as low as 0.62 W/m2k.
The KF 410 uPVC aluminium windows are entirely flush from sash to frame. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.
The KF 410 window is compliant with the top level accreditations of Secured by Design and Lifetime Homes, key “must have” attributes architects require. Internorm technology is integrated into this energy efficient window offering technological advances that make life easier.
Uw up to 0,62
34 - 45
up to RC1N, RC2
KF 520 meets the highest demands for burglary protection, thanks to its state of the art locking technology. The sleek frame offers superior levels thermal efficiency and sound reduction for maximum homeowner comfort. This model is also available in the flush mount Studio design, for an ultra modern aesthetic.
The KF 520 uPVC aluminium windows feature a fully integrated locking system, which renders levering of the window impossible. The window sash is not visible externally due to its glass appearance and can optically not be distinguished from fixed glazing.
Optional built in ventilation can be added into the frame with the I-tec Ventilation system. I-tec Glazing ensures excellent stability, thermal insulation, and security due to the all round bonding of the glass pane.
Uw up to 0,63
33 - 46
up to RC3, RC2
The KV 350 range of uPVC aluminium windows comes with advanced sun protection technology. Designed with market leading integral blinds, these window systems offer sun and privacy protection. This technology is integrated directly between the glass panes, keeping it protected from wind, dirt and bad weather.
This composite window range conveniently integrates blinds in between the glass panes, for maintenance free protect. Choose between the Home Pure square edged profile and the Ambiente rounded edged traditional design.
All Internorm integrated blinds can be powered by a self sufficient photovoltaic panel. This means that no external power source is needed thanks to I-tec Shading. The blinds can be operated with a control panel, remote control, and the I-tec SmartWindow mobile application. I-tec Glazing ensures excellent stability due to the all round bonding of the glass pane.
Uw up to 0.79
38 – 44 average
Secured by Design & PAS 24
The KV 440 window features integrated blind and advanced Internorm technology. The technology of I-tec Glazing ensures optimum stability as well as superior levels of thermal insulation and sound reduction.
This window features quadruple protection with the sun and privacy protection integrated into the window. The blinds are fitted between panes, protecting them from dirt. They can still be easily accessed to clean, as they feature Internorm Sun and Insect Protection technologies
The energy sufficient I-tec shading doesn’t need an external power source due to the photovoltaic module and batteries. Integrated automatic functions such as day/night recognition and intelligent overheating protection can be integrated.
Uw up to 0,64
39 - 45
up to RC1N, RC2
The HF 310 blends flexibility with a superior double glazing performance. This window takes in the visual benefits of timber with the efficiency and weatherproof properties of modern aluminium. The three continuous gaskets prevent water from meeting the timber surface.
All around gluing of the glass pane ensures excellent stability and offers burglary protection. Three continuous gaskets and external weather resistant aluminium prevent water from entering. The timber elements of the window offer excellent thermal insulation values.
Uw up to 0,62
33 - 46
up to RC1N, RC2
The HF 410 is one of the most popular and widely requested window systems in our timber-aluminium range. Its versatility, customisation and overall performance levels make it ideal for any size, shape and era of property.
With an 85mm frame depth, you can enjoy the minimalistic aesthetics. All the while, this design enjoys fantastic thermal retention, high quality acoustic insulation and certified security standards.
Uw up to 0,64
33 - 45
up to RC1N, RC2
The HV 450 comes with Internorm’s innovative integral sun protection hardware as standard. All the while, retaining all the character, delivering eye catching aesthetics and versatility for homeowners.
The HV 450 offers quadruple protection with advanced sun and privacy protection, thermal insulation and sound reduction. The I-tec shading works completely energy self sufficient and offers a host of innovative solutions for homes.
Uw up to 0.62
41 - 46
Secured by Design & PAS 24
The HF 400 is a timber aluminium window system that provides an all round performance without compromising on aesthetics.
This design of composite window has an attractive finish, superior levels of heat protection and multiple security properties. The HF 400 has a door leaf that is flat on both the inside and the outside, and an angular frame profile. The plate construction of the door leaf ensures thermal insulation to passive house standard.
Multipoint locking mechanism with a swing bolt is fitted as standard and maximum stability in the door leaf offers enhanced burglary protection. A wide range of door models with different surfaces, handles and glass cut outs offers the right door for every type of home.
Uw up to 0.70
35 - 45
Secured by Design & PAS 24
If you are looking for a home improvement product that will give you amazing thermal efficiency, then our Internorm uPVC-aluminium windows could be just what you are looking for. Their combination of sleek design and innovative design means that they will enhance your Donegal home’s performance and aesthetics in equal measure. When you install our Internorm uPVC-aluminium windows, you can be confident that your home will stay warmer for longer, without you having to use extra energy.
Feneco’s Internorm uPVC aluminium windows come with a cutting edge design, where the aluminium cladding profile is used to create a sleek profile, but also enables this Internorm window to require little maintenance to keep it looking great. Our Internorm uPVC aluminium windows are an outstanding way to ensure that your home reaches and surpasses Passive House Standards.
When we have installed your Internorm uPVC-aluminium windows, all you need to do to keep them looking great is to wipe them down with a warm, damp cloth. Gone are the days of needing to repaint, restain and revarnish. Our Internorm uPVC-aluminium windows will look superb for many years to come.
Start Your Project
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,65
35 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,62
34 - 45
up to RC1N, RC2
Uw up to 0,63
33 - 46
up to RC1N, RC2
Uw up to 0,79
38 - 44
up to RC1N, RC2
Uw up to 0,79
38 - 44
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
The KF 410 has a complete flush transition from sash to frame, completing this window as one unit. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.
With low U-values, it’s a cost efficient window option with compliant accreditations. Secured By Design and Lifetime Homes accreditations make them an ideal option for any home. Intelligent Internorm technology is integrated into this KF 410 style window system.
I-tec innovations such as I-tec Glazing and I-tec Ventilation ensure optimum stability, thermal insulation and security. These windows are controlled at the touch of a button, enabling simple and stress free operation of your window via smartphone or tablet.
Uw up to 0.62
34 - 45
Up to RC1N, RC2
KF 520 uPVC windows combine innovative design with advanced technology. This window meets the highest standards of burglary protection, with I-tec Secure and innovative locking systems.
Integrated flaps press on all sides into the frame interior when locking and thus ensure maximum burglary protection.
The sleek frame offers excellent thermal efficiency and sound reduction for maximum comfort. Optional built in ventilation can be added into the window frame with the I-tec Ventilation system. I-tec Glazing gives stability, thermal insulation, and security due to the all round bonding of the glass pane.
Uw up to 0,63
33 - 46
up to RC3, RC2
The traditional and sophisticated KF 310 has a sleek appearance alongside reliable technology. This range of windows is characterised by thermal insulation and impressive sound reduction values.
With a round bonded glass pane, the KF 310 is available in a large selection of colours, glazing and handles. They can also make the ideal addition to the balcony and patio doors, with integrated Juliet balcony.
I-tec glazing ensures excellent stability. The glass pane is glued all around the frame, ensuring superior levels of security and thermal insulation.
Uw up to 0,69
33 - 45
up to RC1N, RC2
The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.
This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.
Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.
Uw up to 0,65
35 - 45
up to RC1N, RC2
The FK 310 is a slim window with a construction depth of 74 mm. The rounded edges of sash and frame match design is elegant and cosy.
The strong aluminium cladding on the outside can be designed in many colours. The 6 chamber frame profile ensures superior levels of thermal insulation. Three continuous gaskets protect you home from the wet whilst improving thermal insulation and sound reduction.
I-tec Glazing, the continuous all round bonding of the glass pane, makes this style of window even more stable and boosts burglary protection
Uw up to 0,69
33 - 45
up to RC1N, RC2
The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.
This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.
Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.
Uw up to 0,65
35 - 45
up to RC1N, RC2
The KF 410 window offers sleek aesthetics with its 93mm construction depth and square edged frame design. This Passivhaus certified window demonstrates thermal insulation, with U-values as low as 0.62 W/m2k.
The KF 410 uPVC aluminium windows are entirely flush from sash to frame. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.
The KF 410 window is compliant with the top level accreditations of Secured by Design and Lifetime Homes, key “must have” attributes architects require. Internorm technology is integrated into this energy efficient window offering technological advances that make life easier.
Uw up to 0,62
34 - 45
up to RC1N, RC2
KF 520 meets the highest demands for burglary protection, thanks to its state of the art locking technology. The sleek frame offers superior levels thermal efficiency and sound reduction for maximum homeowner comfort. This model is also available in the flush mount Studio design, for an ultra modern aesthetic.
The KF 520 uPVC aluminium windows feature a fully integrated locking system, which renders levering of the window impossible. The window sash is not visible externally due to its glass appearance and can optically not be distinguished from fixed glazing.
Optional built in ventilation can be added into the frame with the I-tec Ventilation system. I-tec Glazing ensures excellent stability, thermal insulation, and security due to the all round bonding of the glass pane.
Uw up to 0,63
33 - 46
up to RC3, RC2
The KV 350 range of uPVC aluminium windows comes with advanced sun protection technology. Designed with market leading integral blinds, these window systems offer sun and privacy protection. This technology is integrated directly between the glass panes, keeping it protected from wind, dirt and bad weather.
This composite window range conveniently integrates blinds in between the glass panes, for maintenance free protect. Choose between the Home Pure square edged profile and the Ambiente rounded edged traditional design.
All Internorm integrated blinds can be powered by a self sufficient photovoltaic panel. This means that no external power source is needed thanks to I-tec Shading. The blinds can be operated with a control panel, remote control, and the I-tec SmartWindow mobile application. I-tec Glazing ensures excellent stability due to the all round bonding of the glass pane.
Uw up to 0.79
38 – 44 average
Secured by Design & PAS 24
The KV 440 window features integrated blind and advanced Internorm technology. The technology of I-tec Glazing ensures optimum stability as well as superior levels of thermal insulation and sound reduction.
This window features quadruple protection with the sun and privacy protection integrated into the window. The blinds are fitted between panes, protecting them from dirt. They can still be easily accessed to clean, as they feature Internorm Sun and Insect Protection technologies
The energy sufficient I-tec shading doesn’t need an external power source due to the photovoltaic module and batteries. Integrated automatic functions such as day/night recognition and intelligent overheating protection can be integrated.
Uw up to 0,64
39 - 45
up to RC1N, RC2
The HF 310 blends flexibility with a superior double glazing performance. This window takes in the visual benefits of timber with the efficiency and weatherproof properties of modern aluminium. The three continuous gaskets prevent water from meeting the timber surface.
All around gluing of the glass pane ensures excellent stability and offers burglary protection. Three continuous gaskets and external weather resistant aluminium prevent water from entering. The timber elements of the window offer excellent thermal insulation values.
Uw up to 0,62
33 - 46
up to RC1N, RC2
The HF 410 is one of the most popular and widely requested window systems in our timber-aluminium range. Its versatility, customisation and overall performance levels make it ideal for any size, shape and era of property.
With an 85mm frame depth, you can enjoy the minimalistic aesthetics. All the while, this design enjoys fantastic thermal retention, high quality acoustic insulation and certified security standards.
Uw up to 0,64
33 - 45
up to RC1N, RC2
The HV 450 comes with Internorm’s innovative integral sun protection hardware as standard. All the while, retaining all the character, delivering eye catching aesthetics and versatility for homeowners.
The HV 450 offers quadruple protection with advanced sun and privacy protection, thermal insulation and sound reduction. The I-tec shading works completely energy self sufficient and offers a host of innovative solutions for homes.
Uw up to 0.62
41 - 46
Secured by Design & PAS 24
The HF 400 is a timber aluminium window system that provides an all round performance without compromising on aesthetics.
This design of composite window has an attractive finish, superior levels of heat protection and multiple security properties. The HF 400 has a door leaf that is flat on both the inside and the outside, and an angular frame profile. The plate construction of the door leaf ensures thermal insulation to passive house standard.
Multipoint locking mechanism with a swing bolt is fitted as standard and maximum stability in the door leaf offers enhanced burglary protection. A wide range of door models with different surfaces, handles and glass cut outs offers the right door for every type of home.
Uw up to 0.70
35 - 45
Secured by Design & PAS 24
This style of Internorm window is a mixture of aluminium and timber, meaning that this particular form of Internorm window is durable, robust and strong. When you install these Internorm timber-aluminium windows, you can be sure that they will perform brilliantly for many years to come. If you are looking for a sound investment for your Donegal, then installing our Internorm timber-aluminium windows should be what you are looking for.
These Internorm timber-aluminium windows offer your home outstanding thermal efficiency levels, thanks to the triple or double glazing along with the timber core and the layer of foam that is placed between the different levels. Our Internorm timber-aluminium windows really are one the best home improvement products on the market today, installing them is a decision you will never regret.
If you are looking to ensure your Donegal property reaches Passive House Standards, then installing our Internorm timber aluminium windows is probably one of the best methods of achieving this goal.
Contact Us Today
Uw up to 0,62
33 - 46
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,69
33 - 45
up to RC1N, RC2
Uw up to 0,70
35 - 45
up to RC1N, RC2
Uw up to 0,64
33 - 45
up to RC1N, RC2
Uw up to 0,64
33 - 45
up to RC1N, RC2
Uw up to 0,64
33 - 45
up to RC1N, RC2
Uw up to 0,64
33 - 45
up to RC1N, RC2
Uw up to 0,62
41 - 46
up to RC1N, RC2
Uw up to 0,62
41 - 46
up to RC1N, RC2
The KF 410 has a complete flush transition from sash to frame, completing this window as one unit. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.
With low U-values, it’s a cost efficient window option with compliant accreditations. Secured By Design and Lifetime Homes accreditations make them an ideal option for any home. Intelligent Internorm technology is integrated into this KF 410 style window system.
I-tec innovations such as I-tec Glazing and I-tec Ventilation ensure optimum stability, thermal insulation and security. These windows are controlled at the touch of a button, enabling simple and stress free operation of your window via smartphone or tablet.
Uw up to 0.62
34 - 45
Up to RC1N, RC2
KF 520 uPVC windows combine innovative design with advanced technology. This window meets the highest standards of burglary protection, with I-tec Secure and innovative locking systems.
Integrated flaps press on all sides into the frame interior when locking and thus ensure maximum burglary protection.
The sleek frame offers excellent thermal efficiency and sound reduction for maximum comfort. Optional built in ventilation can be added into the window frame with the I-tec Ventilation system. I-tec Glazing gives stability, thermal insulation, and security due to the all round bonding of the glass pane.
Uw up to 0,63
33 - 46
up to RC3, RC2
The traditional and sophisticated KF 310 has a sleek appearance alongside reliable technology. This range of windows is characterised by thermal insulation and impressive sound reduction values.
With a round bonded glass pane, the KF 310 is available in a large selection of colours, glazing and handles. They can also make the ideal addition to the balcony and patio doors, with integrated Juliet balcony.
I-tec glazing ensures excellent stability. The glass pane is glued all around the frame, ensuring superior levels of security and thermal insulation.
Uw up to 0,69
33 - 45
up to RC1N, RC2
The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.
This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.
Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.
Uw up to 0,65
35 - 45
up to RC1N, RC2
The FK 310 is a slim window with a construction depth of 74 mm. The rounded edges of sash and frame match design is elegant and cosy.
The strong aluminium cladding on the outside can be designed in many colours. The 6 chamber frame profile ensures superior levels of thermal insulation. Three continuous gaskets protect you home from the wet whilst improving thermal insulation and sound reduction.
I-tec Glazing, the continuous all round bonding of the glass pane, makes this style of window even more stable and boosts burglary protection
Uw up to 0,69
33 - 45
up to RC1N, RC2
The innovative glass sash of the KF 320 gives the impression of fixed glazing, yet it is still an openable window. The narrow, square edged window frame highlights the minimal architecture of the window design.
This straight lined window profile has an appealingly consistent design. Externally, the opening sash is covered by the window frame. The narrow offset between the frame and the glass pane enhances the flush mount aesthetics The glass sash gives the impression of a fixed glazed unit, yet it is an operable window.
Three sided rendering of the frame achieves modern and almost frameless glass architecture. I-tec glazing ensures excellent stability, thermal insulation and security through surrounding bonding of the glass pane.
Uw up to 0,65
35 - 45
up to RC1N, RC2
The KF 410 window offers sleek aesthetics with its 93mm construction depth and square edged frame design. This Passivhaus certified window demonstrates thermal insulation, with U-values as low as 0.62 W/m2k.
The KF 410 uPVC aluminium windows are entirely flush from sash to frame. Once the frame is rendered into the brickwork on three sides, only the unique narrow and square edged sash frame remains visible.
The KF 410 window is compliant with the top level accreditations of Secured by Design and Lifetime Homes, key “must have” attributes architects require. Internorm technology is integrated into this energy efficient window offering technological advances that make life easier.
Uw up to 0,62
34 - 45
up to RC1N, RC2
KF 520 meets the highest demands for burglary protection, thanks to its state of the art locking technology. The sleek frame offers superior levels thermal efficiency and sound reduction for maximum homeowner comfort. This model is also available in the flush mount Studio design, for an ultra modern aesthetic.
The KF 520 uPVC aluminium windows feature a fully integrated locking system, which renders levering of the window impossible. The window sash is not visible externally due to its glass appearance and can optically not be distinguished from fixed glazing.
Optional built in ventilation can be added into the frame with the I-tec Ventilation system. I-tec Glazing ensures excellent stability, thermal insulation, and security due to the all round bonding of the glass pane.
Uw up to 0,63
33 - 46
up to RC3, RC2
The KV 350 range of uPVC aluminium windows comes with advanced sun protection technology. Designed with market leading integral blinds, these window systems offer sun and privacy protection. This technology is integrated directly between the glass panes, keeping it protected from wind, dirt and bad weather.
This composite window range conveniently integrates blinds in between the glass panes, for maintenance free protect. Choose between the Home Pure square edged profile and the Ambiente rounded edged traditional design.
All Internorm integrated blinds can be powered by a self sufficient photovoltaic panel. This means that no external power source is needed thanks to I-tec Shading. The blinds can be operated with a control panel, remote control, and the I-tec SmartWindow mobile application. I-tec Glazing ensures excellent stability due to the all round bonding of the glass pane.
Uw up to 0.79
38 – 44 average
Secured by Design & PAS 24
The KV 440 window features integrated blind and advanced Internorm technology. The technology of I-tec Glazing ensures optimum stability as well as superior levels of thermal insulation and sound reduction.
This window features quadruple protection with the sun and privacy protection integrated into the window. The blinds are fitted between panes, protecting them from dirt. They can still be easily accessed to clean, as they feature Internorm Sun and Insect Protection technologies
The energy sufficient I-tec shading doesn’t need an external power source due to the photovoltaic module and batteries. Integrated automatic functions such as day/night recognition and intelligent overheating protection can be integrated.
Uw up to 0,64
39 - 45
up to RC1N, RC2
The HF 310 blends flexibility with a superior double glazing performance. This window takes in the visual benefits of timber with the efficiency and weatherproof properties of modern aluminium. The three continuous gaskets prevent water from meeting the timber surface.
All around gluing of the glass pane ensures excellent stability and offers burglary protection. Three continuous gaskets and external weather resistant aluminium prevent water from entering. The timber elements of the window offer excellent thermal insulation values.
Uw up to 0,62
33 - 46
up to RC1N, RC2
The HF 410 is one of the most popular and widely requested window systems in our timber-aluminium range. Its versatility, customisation and overall performance levels make it ideal for any size, shape and era of property.
With an 85mm frame depth, you can enjoy the minimalistic aesthetics. All the while, this design enjoys fantastic thermal retention, high quality acoustic insulation and certified security standards.
Uw up to 0,64
33 - 45
up to RC1N, RC2
The HV 450 comes with Internorm’s innovative integral sun protection hardware as standard. All the while, retaining all the character, delivering eye catching aesthetics and versatility for homeowners.
The HV 450 offers quadruple protection with advanced sun and privacy protection, thermal insulation and sound reduction. The I-tec shading works completely energy self sufficient and offers a host of innovative solutions for homes.
Uw up to 0.62
41 - 46
Secured by Design & PAS 24
The HF 400 is a timber aluminium window system that provides an all round performance without compromising on aesthetics.
This design of composite window has an attractive finish, superior levels of heat protection and multiple security properties. The HF 400 has a door leaf that is flat on both the inside and the outside, and an angular frame profile. The plate construction of the door leaf ensures thermal insulation to passive house standard.
Multipoint locking mechanism with a swing bolt is fitted as standard and maximum stability in the door leaf offers enhanced burglary protection. A wide range of door models with different surfaces, handles and glass cut outs offers the right door for every type of home.
Uw up to 0.70
35 - 45
Secured by Design & PAS 24
Here at Feneco Systems, we strive in placing our valued customers at the forefront of everything we do. Not just this, but our team are top experts in the industry and can provide you with the very best advice for your home improvement projects.
Get in Touch
To find out more about our Internorm windows, get in touch with us today. You can receive a FREE online estimate by clicking the button on the right hand side of this page. Choose the Internorm windows of your choice here at Feneco.
