Flat Rooflights
Perfect for intoducing natural light.
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How to prepare and measure your openings

All products must be measured from the outside and the external measurements should be provided when ordering your products. Each product has surveying guidelines, please check your measurement coincides with this before ordering your product.

Please see our measuring sheets below to help you with the process:

Door Measuring Sheet

Window Measuring Sheet


Looking for something else?

Please refer to our Downloads page for installation and measuring guides based on your chosen product.