50mm PIR Insulation 8’X4′

Designed with a polyisocyanurate (PIR) core and aluminium foil facings on both sides, this 50mm PIR insulation board is a reliable and versatile option for both residential and commercial projects. Strong yet lightweight, these boards are easy to handle, cut, and fit, helping to speed up installation and labour time on site. Supplied in 8x4 feet sheets, these boards are suitable for a wide variety of applications, including walls, roofs, floors, and between timber joists.

In terms of characteristics, our PIR insulation board 50mm not only achieves high thermal performance but is also moisture and fire-resistant. For projects needing alternative thicknesses, we also stock PIR insulation boards in sizes ranging from 25mm to 120mm.

Whether you’re looking for 50mm floor insulation or any other supplies for your upcoming project, we’re here to help. With both same-day and next-day delivery available, depending on your location, you can shop for all your building supplies under one roof. If you’d prefer to browse in person, all of our ranges are also available to purchase in person at our builders' merchants in Croydon.