With a polyisocyanurate (PIR) core and aluminium foil facings on both sides, this 90mm insulation board is a dependable and adaptable choice for both residential and commercial projects. These lightweight, sturdy boards are simple to handle, cut, and install, which reduces installation time and labour costs on the job site. Available in 8x4 foot sheets, our PIR insulation boards can be used for various applications, including floors, walls, roofs, and between timber joists.
In terms of features, our 90mm PIR insulation board is resistant to fire and moisture in addition to having excellent thermal performance. We also stock PIR insulation boards in sizes ranging from 25mm to 120mm for projects requiring different thicknesses.
Available for purchase in-store or online with fast delivery, you can order not only our 90mm floor insulation boards but also all the supplies you need to begin your next project with confidence. As the largest independent builders' merchants in South London, we supply a wide range of insulation, tools, and fixings under one roof.