Townhouse Sash Window Specifications

Full Fire Escape Access

The Townhouse Sash Window has Full Fire Escape Access even for windows of smaller sizes because of it’s unique double opening sash design.

U-Values

Double glazed unit centre pane U-value of 1.1 W/m²K produces an overall window U-value of 1.3 W/m²K. Triple glazed unit centre pane U-value of 0.7 W/m²K produces an overall window U-value of 1.0 W/m²k.

Key Features

Low E glass, double gasket compression seals, warm edge spacer bars, double or triple glaze units, 155mm 7 chamber main frame as standard produce a high quality energy efficient window.

10 Year Guarantee

The Townhouse Sash Window has a 10 year structural guarantee. We are confident in giving this guarantee because of our rigorous quality control. This is backed up by our independent testing with Buildcheck a UK test centre.

Airtightness

The window has been tested for maximum exposure to air air permeability and water tightness passing both with zero air and water leakage. Air permeability tested to max 600 Pa achieving class 4. Water tightness tested to max 900 Pa achieving class 4

155 mm frame

A 155 mm frame makes for a very solid window and an energy efficient window. Because of the width of the frame and it’s 7 chambers, heat escaping through the frame becomes difficult. This helps us achieve our A- rated certification.

Low Maintenance

The beauty of UPVC profile is that all it will ever need is a wipe down from time to time to bring it back to looking brand new. We extrude all the profile for this window in our extrusion plant, thus ensuring the highest quality.

Glazing

28 mm units in double and triple glaze with 4mm window pane thickness. We use warm edge spacer bars. Argon gas filled units are optional. The centre pane U-value for a double glaze unit is 1.1 W/ m²K and for triple glaze is 0.7 W/m²K.

Security

Townhouse Sash Windows uses the heavy hinge in our windows to help give that extra level of security. The window is naturally robust because of it’s 155 mm frame.

Traditional Restoration

The Townhouse Sash Window is an ideal replacement for traditional sliding sash windows in older buildings. Keep the classic appearance of a sash window with all the energy efficiency of a modern window, using up to date design and materials.

Decorative Glazing

Townhouse Sash Windows has many different decorative glass designs to choose from. We use a resin technology to produce the most beautiful and complex designs full of colour. Townhouse Sash Windows offer clear and obscure glass, toughened glass, laminated safety glass, opel & sanitised glass.

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