Insulation Board

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What are Insulation Boards? Insulation boards are rigid or semi-rigid panels designed to reduce heat transfer through walls, floors and roofs. Typically manufactured from closed-cell foam materials such as PIR (polyisocyanurate), EPS (expanded polystyrene), XPS (extruded polystyrene) or phenolic foam, they provide high thermal performance in a compact form. Because they’re made from these rigid foams, insulation boards are also commonly called foam boards, rigid foam boards or foam insulation sheets. They are widely used in construction due to their: Low thermal conductivity Structural strength Ease of installation Long-term performance without sagging Types of Insulation Boards Choosing the right insulation board depends on your application, the thermal performance required and the space available within your build-up. At Insulation UK, we stock insulation boards from all the leading manufacturers, with trade prices and fast UK-wide delivery on every order. PIR Insulation Boards PIR boards are one of the most widely used insulation types, offering excellent thermal performance (typically around 0.022 W/mK). They are suitable for walls, roofs and floors, particularly in limited space areas. Phenolic Insulation Boards Phenolic boards deliver even higher thermal performance (around 0.019 W/mK), making them ideal for projects requiring the lowest possible U-values with minimal thickness. EPS Insulation Boards EPS boards are a cost-effective option with slightly lower thermal performance (0.033–0.038 W/mK). They are suited to large-scale applications where budget is a priority. XPS Insulation Boards XPS boards provide excellent moisture resistance and compressive strength, making them ideal for floors, basements, and high-load environments. Insulated Plasterboard (Thermal Laminate) Insulated plasterboard combines a rigid insulation layer with a plasterboard facing, allowing insulation and internal lining to be completed in one step. This reduces installation time and ov

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