126mm thick Insulated Decking Board is a high-performance, pre-insulated thermal roofing solution that provides a simple and cost-effective way to upgrade your flat roof. Made up of a PIR insulation core and a tough plywood exterior, it is suitable for both new build and refurbishment projects alike. It can be easily and quickly installed as each board measures 2400mm x 1200mm, covering 2.88m², saving both time and money. Additionally, it complies with building regulations and can be used with different flat roof applications such as single-ply membranes, EPDM rubber covers, and torch-on felt.