Collection: Insulation

Unilin Flat Roof Insulation Boards

Discover our range of high-performance Unilin Flat Roof Insulation Boards, designed to deliver outstanding thermal performance across a wide variety of flat roofing applications. Formerly known as Xtratherm, Unilin is one of the UK's and Ireland's leading insulation manufacturers, providing innovative insulation solutions for residential, commercial, and industrial construction projects.

Our Unilin flat roof insulation range includes solutions for traditional bituminous felt roofing systems, single ply membranes, liquid applied roofing systems, and mechanically fixed roofing applications.

Unilin FR/BGM Dual Purpose Insulation Boards

Unilin FR/BGM insulation boards are a versatile dual-purpose PIR insulation board suitable for multiple roofing systems. Featuring a fleece finished bitumen/glass fibre facing on one side and a mineral glass tissue facing on the other, FR/BGM boards can be used with:

• Traditional built-up bituminous felt roofing systems.
• Torch-on roofing membranes.
• Fully adhered single ply roofing membranes.
• Liquid applied roofing systems.
• Warm roof constructions.

The dual-faced design provides installers with a flexible insulation solution suitable for a wide range of flat roof specifications.

Unilin FR/MG Tissue Faced Insulation Boards

Unilin FR/MG boards feature mineral glass tissue facings and are specifically designed for use beneath fully adhered single ply roofing membranes and liquid applied waterproofing systems. These boards provide excellent thermal performance whilst offering a suitable surface for adhesive-bonded roofing applications.

Suitable for:

• PVC single ply membranes.
• TPO single ply membranes.
• EPDM roofing systems.
• Liquid applied roofing systems.
• Fully adhered warm roof constructions.

Unilin FR/ALU Foil Faced Insulation Boards

Unilin FR/ALU insulation boards feature durable foil facings and are commonly specified for mechanically fixed flat roofing systems and metal roof constructions. Their high compressive strength and excellent thermal efficiency make them ideal for commercial and industrial roofing projects.

Suitable for:

• Mechanically fixed single ply membranes.
• Standing seam metal roofing systems.
• Composite roof constructions.
• Commercial and industrial roof applications.

Why Choose Unilin Flat Roof Insulation?

• Excellent thermal performance.
• High compressive strength.
• Suitable for new build and refurbishment projects.
• Available in a wide range of thicknesses.
• Manufactured in the UK and Ireland.
• Compatible with leading roofing systems.
• Helps achieve Building Regulation U-value requirements.
• Trusted by roofing contractors, builders, and specifiers nationwide.

Flat Roof Fixings & Accessories

Alongside our insulation boards, we also supply a comprehensive range of Eurofast thermally broken tube washers, insulation fixings, and roofing screws designed for securing flat roof insulation boards, single ply membranes, vapour control layers, and waterproofing systems.

Whether you are installing a bituminous felt roof, single ply membrane, liquid roofing system, or metal roof construction, we can provide the insulation boards, fixings, and accessories required to complete your project from one trusted supplier.