Choose your rafter glazing bar (sizes include 28mm standard glazing thickness)
Overall Size: AL/100 50mm wide x 163mm deep
Overall Size: AL/101 50mm wide x 183mm deep
Overall Size: AL/102 50mm wide x 203mm deep
Overall Size: AL/103 50mm wide x 223mm deep
Overall Size: AL/104 50mm wide x 243mm deep
The correct drawings are determined by a number of factors. Start the process by selecting the Standard Rooflight (left) for your application Your choice will appear in the window (central left).
Having selected your chosen standard rooflight, decide on the correct Rafter Glazing Bar for your application.
Match the numbered item on your Standard Rooflight (left) to the choice of typical sectional illustrations shown below. Confirm this is the section your require a drawing for.
Once you are happy with your choice select your chosen detail drawing and file type from the dropdown menu below.
Typical sectional illustration. Click your section choice to enlarge
Click on the dropdown menu below and choose your detail drawing.
Choose Autocad .dwg or download the full range for a given glazing bar.
Achievable span of rafters according to the chart below. Values are nominal and will vary according to project location. Calculations assume wind pressure of 1500Pa and 1m bay centres. AL100 = 0.0m - 2.9m
AL101 = 2.9m - 3.8m
AL102 = 3.8m - 4.3m
AL103 = 4.3m - 4.8m
AL104 = 4.8m - 5.5m