The X-Glaze rooflight range provides single, double or triple skin polycarbonate glazing units for direct fixing to a builder’s kerb or upstand. As there are no integral frames or kerbs, the usual range of Xtralite ventilation, access and other options are not available. Also, the U value provided applies to glazing only, as—for Building
Regulations purposes—the builder’s kerb or upstand forms an integral part of the
roof not the rooflight.
Guide Sizes (mm) |
Square |
Rectangular |
Circular |
600 x 600 1200 x 1200
750 x 750 1350 x 1350
900 x 900 1500 x 1500
1000 x 1000 1800 x 1800
1050 x 1050 |
600 x 900 900 x 1800
600 x 1200 900 x 2400
600 x 1500 1000 x 1500
600 x 1800 1000 x 2000
600 x 2400 1200 x 1500
900 x 1200 1200 x 1800
900 x 1350 1200 x 2400
900 x 1500 1500 x 2400 |
600
900
1200
1500
1800 |
Polycarbonate Glazing Colour
The various glazing layers in Xtralite rooflights can be supplied in four types or
colours: clear, opal, bronze or diffused—with the characteristics described below. In
addition, all ranges are ‘Non-fragile, Class B’ rating classified to ACR[M]001:2005
‘Test For Non-Fragility of Profiled Sheeted Roofing Assemblies’, Edition 3—the “Red Book”.
Clear Glazing
- High light transmission.
- Placement where glare may occur is a consideration.
- Allows full vision of views and objects.
|
Diffused Glazing
- Maximises privacy.
- High levels of light transmission
into a building.
- Diffuses light transmission and so avoids glare and shadows.
- Prevents vision of views and objects.
|
Opal Glazing
- Maximises privacy.
- Diffuses light transmission and so avoids glare and shadows.
- Prevents vision of views and objects.
|
Bronze Glazing
- Reduces solar heat gain.
- Reduces light transmission into a building.
|
