The Coxdome Galaxyflat roof domes offer a UV enhanced polycarbonate domed rooflight in either single, double, triple glazed options. These flat roof domes have a horizontal fixing flange of 100mm that enables the rooflight dome to be positioned over existing preformed and builders kerbs of varying dimension and varying width. Designed to be fitted to existing builders kerbs 100mm flanged polycarbonate unit, ensures a fit with most kerbs without the need for adjustment Ideal for refurbishments where only glazing needs to be replaced Manufactured using 3mm polycarbonate which achieves B-s1-d0 and therefore attains Class 1 certification (according to EN13501-1:2007) Class B non-fragile to ACR[M]001:2014 Class 1 fire performance to BS476 Pt7 In triple skin format, Galaxy has a U-value of 1.7W/m2K The Coxdome Galaxy range are ideal roof domes for a quick of the shelf retrofit solution. It is fit for purpose and allows you a quick, cost effective way to refresh old, damaged and discoloured rooflights. If you cant see what you want here, please contact our office for further advice and help. Single skin: 5.3Wm2K U value & is best for garages and car ports, not recommended for heated properties. These will not meet building regulations. Available in clear only. Double skin: 2.9Wm2K U value & isbest for like-for-like replacement or commercial properties. Triple skin: 1.7Wm2K U value & is best for domestic properties to meet Part-L regulations. These Coxdome Galaxy roof domes are supplied with either clear or obscure glazing. The obscure glazing is only on the inner skin for double & triple options. The single skin option is ONLY available in CLEAR. All Coxdome Galaxy products are supplied undrilled with security fixings & caps and tape too.