Unilin FR/TP 136mm Flat Roof Insulation Board

The Unilin FR/TP 136mm is a composite insulation board engineered for flat roof applications, featuring a 130mm polyisocyanurate (PIR) core bonded to 6mm WBP grade plywood decking. This integrated design delivers both thermal performance and structural support, making it an efficient solution for new builds and flat roof refurbishment projects.

The 136mm Unilin FR/TP was previously known as 136mm Xtratherm FR/TP.

Product Specification

Brand: Unilin ®

Model: 136mm FR/TP

Dimensions: 2,400mm x 1,200mm x 136mm

Thickness: 130mm PIR + 6mm Plywood (136mm overall)

Length: 2400mm

Width: 1200mm

Weight: 34.43kg

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: 5.91m2K/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 roof insulation and structural decking into a single product
2. Suitable for both new construction and roof refurbishment applications
3. Delivers rapid weatherproofing capabilities
4. Environmental Product Declaration (EPD) certified by IGBC
5. Combines insulation and decking in one installation
6. Applicable to new and refurbishment roof projects
7. Provides immediate weather protection

Roof Design

Reference BS 4841: Part 3 and consult the relevant membrane manufacturer's technical guidance when designing your flat roof system.

Falls

Flat roofs must incorporate a consistent fall gradient sufficient to prevent water pooling and ensure proper drainage.

Info

Explore our Unilin insulation range and refine your selection by thickness or coverage using the filters on the left. For technical advice on product suitability, bulk pricing, or project-specific requirements, contact our team on +4402038839057, email sales@insulationbee, or use Live Chat for competitive UK Insulation pricing.