CHÂSSIS
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Our Rooflights Come With A Free Highly Insulated Upstand/Kerb
All flat roof windows must sit on a kerb. We are offering a FREE kerb set at an industry standard of 5 degrees which allows your 'easy clean' glass to work at it's optimum level. The distance from the finished roof material to the underside of the glass should be a minimum of 150mm. The insulated upstand helps give the whole system a Ud-Value as little as 0.8 w/m2k.