The YARDLITE (RoofLITE PVC) APX centre-pivot roof windows have a PVC white profile with a toughened outer pane to greater durability, easy maintenance and better thermal performance. The window has 24 mm double glazing to secure good thermal insulation. With the low emissivity feature, overheating in summer and heat loss in the winter is controlled. The centre pivot window has an elegant bottom handle and has easy installation for all roofing types. The APX DURO roof window is suitable for roof pitches between 15°-90° and comes with the standard RoofLITE 10 year guarantee.