40mm Kingspan Thermaroof TR27 Flat Roof Insulation

40mm Kingspan Thermaroof TR27 is a premium flat roof insulation board engineered for roofs with fully adhered single-ply, partially bonded built-up felt, mastic asphalt, or cold liquid applied waterproofing systems. This rigid thermoset polyisocyanurate (PIR insulation) delivers exceptional thermal performance and integrates seamlessly with green roof systems, offering straightforward installation for both new builds and retrofit applications.

The 40mm board dimensions are 1200mm x 1200mm, with thicker options ranging from 40mm to 150mm available in 1200mm x 1200mm sizes.

Product Specification

Brand: Kingspan

Model: 40mm Thermaroof TR27

Thickness: 40mm

Length: 1200mm

Width: 1200mm

Weight: 1.28kg/m2

Pack Quantity: 8 sheets

Board Coverage: 1.44m2

Dimensions: 1,200mm x 1,200mm x 40mm

Colour: Light Yellow | Brownish

Compressive Strength: 150kPa

Density: 32kg/m3

Profile: Square edge

R-Value: 1.48m2K/W

Thermal Conductivity: 0.027 W/mK (insulant thickness < 80 mm) 0.025 W/mK (insulant thickness 80 - 119 mm) 0.024 W/mK (insulant thickness ≥ 120 mm)

Finish: Coated glass tissue facing bonded to both sides, factory-applied to the polyisocyanurate core.

Insulation Material: High-performance rigid thermoset polyisocyanurate (PIR insulation).

Application Temperature: +5 °C to +25 °C

Shipping method: Articulated Vehicle | Courier

Applications: Insulation for flat roofs with fully adhered single-ply, partially bonded built-up felt, mastic asphalt and cold liquid applied waterproofing.

BBA Certified: Yes

Fire Reaction: Euroclass F rating under System 4 AVCP.

Compressive Strength: Typically exceeds 150 kPa at 10% compression.

Features: High-performance flat roof insulation board

Product Highlights:

1. Delivers outstanding thermal efficiency, making it one of the most effective insulation solutions for flat roofs.
2. Works with single-ply non-bituminous membranes when applied with solvent-based adhesive systems.
3. Suitable for bitumen-based and mastic asphalt waterproofing, offering installation flexibility.
4. Integrates with most green roof systems for sustainable roofing applications.
5. Available with FM Approval to FM 4470, meeting industry compliance requirements.
6. Tapered insulation variants are available to create roof slopes and ensure proper water drainage.
7. Lightweight and simple to install, reducing labour time and project duration.
8. Pre-bonded boards (TR27PB) are available for faster installation. Contact our roofing insulation specialists for details and support.

Applications

40mm Kingspan TR27 suits multiple installation configurations across different building types:

1. Dense Concrete Deck with Suspended Ceiling: Ideal where dense concrete decking is paired with suspended ceiling systems.
2. Timber Deck with Plasterboard Ceiling: Appropriate for timber deck structures with plasterboard ceiling finishes.
3. Metal Deck with No Ceiling: Engineered for metal deck applications without ceiling requirements.
4. Extensive Green Roof Covering - Metal Deck with No Ceiling: Tailored for extensive green roof systems on metal decks without ceilings.
5. Semi-intensive Green Roof Covering - Dense Concrete Deck with Suspended Ceiling: Designed for semi-intensive green roof installations with dense concrete decking and suspended ceilings.
6. These configurations provide flexibility to match diverse structural systems and architectural specifications.

Info

Browse our full Kingspan range and filter by thickness or coverage using the left-hand navigation. For project suitability advice or bulk pricing quotations, contact our team on +4402038839057, email sales@insulationbee, or use Live Chat for the best UK insulation prices.