81mm Unilin FR/TP Flat Roof Insulation Board

The 81mm Unilin FR/TP is a composite insulation board featuring a Polyisocyanurate core bonded to 6mm WBP plywood decking. This integrated system delivers both thermal performance and structural support, making it an excellent choice for flat roof installations in new builds and renovation projects.

The 81mm Unilin FR/TP was previously known as 81mm Xtratherm FR/TP.

Product Specification

Brand: Xtratherm / Unilin ®

Model: 81mm FR/TP

Dimensions: 2,400mm x 1,200mm x 81mm

Thickness: 75mm PIR + 6mm Plywood (81mm overall)

Length: 2400mm

Width: 1200mm

Weight: 29.59kg

Compressive Strength: 150 kPa (10% Compression)

Density: 32 Kg/m3

Type: Thermal Ply High Performance PIR Insulation and Plywood Composite for Flat Roofs

Material: Polyisocyanurate core ǀ Plywood

Profile: Square Edge

Thermal Conductivity: 0.022W/mK

R-Value: 3.41m2K/W

Vapour Resistivity: 100 MNs/gm

Type of finishing board: 6mm WBP plywood

Inner facing: Foil Facer

Outer facing: Foil Facer

Finish: Gas-tight foil ǀ WBP Plywood

Shipping method: Articulated Vehicle ǀ Courier

Applications: Flat Roof Insulation ǀ Hot Bitumen ǀ Decking

Features: Rapid Weather Proofing ǀ 3 in 1 Solution

Key Benefits:

1. Integrates thermal insulation and structural decking in a single product
2. Ideal for both new construction and flat roof refurbishment work
3. Delivers rapid weatherproofing capabilities
4. Environmental Product Declaration (EPD) certification available from IGBC
5. Combines insulation and decking in one installation
6. Suitable for new and refurbishment roof applications
7. Provides immediate weather protection

Roof Design

Refer to BS 4841: Part 3 recommendations and the specific membrane manufacturer's certification requirements when designing your flat roof system.

Falls

Flat roofs must incorporate adequate falls to ensure proper water drainage and prevent water pooling across the surface.

Info

Explore our Unilin range and use the left-hand filters to narrow by thickness or coverage area. For project-specific advice or bulk quotations, contact us on +4402038839057, email sales@insulationbee, or use Live Chat for competitive UK Insulation pricing.