

Kingspan Thermaroof TR27
High performance rigid Polyisocyanurate (PIR) flat roof insulation board.
Can be used on flat roofs with fully adhered single-ply, partially bonded built-up felt, mastic asphalt, and cold liquid waterproofing.
Fully compatible with single–ply non–bituminous membranes that are fully bonded with solvent based adhesive systems.
Fully compatible with most bitumen based and mastic asphalt waterproofing systems.
Compatible with most green roof systems.
Ideal for new build and refurbishment.
Resistant to the passage of water vapour.
Thicknesses and Availability:
Available in most popular thicknesses from the manufacturer; short lead-times apply as we may need to get the products in from Kingspan before delivering to site.
This Thermaroof Range includes the following readily available product thicknesses: 25mm, 50mm, 80mm, 100mm, 120mm, 130mm, 140mm and 150mm.
The folllowing thicknesses are manufactured to order: 70mm, 75mm, 90mm, 110mm and 160mm; these may carry minimum order levels.
Product Information
General information about Kingspan Thermaroof TR27
Product Application
Flat roof insulating board
Kingspans high performance polyisocyanurate (PIR) foam board, Thermaroof TR27, is suitable for use in flat roofs waterproofed with fully adhered single-ply membranes, partially bonded built-up felt, mastic asphalt and cold liquid applied waterproofing applications.
Product Make-up
Core
Kingspan Thermaroof TR27 is manufactured with Nilflam technology, a high performance fibre–free rigid thermoset polyisocyanurate (PIR) insulant.
Facings
Faced on both sides with a coated glass tissue, autohesively bonded to the insulation core during manufacture.
Product Properties
Thickness | 25mm to 160mm | |
Board Length | 1.2m | |
Board Width | 0.6m and 1.2m | |
Board Edge | Square |
Product Prices
Buy Kingspan Thermaroof TR26
Limited stock of the most popular boards sizes may be held at some of our larger depots.
Where products need to be brought in from Kingspan, please allow approx. 1 week for delivery on stocked items and up to 3 weeks on made to order thicknesses. While Kingspan keep the majority of the popular thicknesses in stock, less popular thicknesses may carry a minimum order level.
Kingspan reserves the right to change stocked products - while we will do all we can to keep on top of changes, availability and lead times my vary.
- Generally 1 or 3 working days for delivery
- Generally 1 to 5 working days for delivery
- Generally 5 to 10 working days for delivery
- Special request or made to order item, allow extended lead times. Minimum order levels may apply.
- Please call to check availability and approximate lead times
Product availability depends upon stock levels at closest depot and delivery logistics to geographic locations
Product Performance and Guides
Product Performance, Manufacturer Downloads, and Installation Guides
Product Performance
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) W/mK |
|
Compressive Strength | 150 kPa at 10% compression | BS / I.S. EN 826: 2013 |
Vapour Resistance | > 300 MNs/gm | BS / I.S. EN 12086: 2013 |
Nominal Density | 32 kg/m³ |
Product | Thickness | Thermal Resistance | kg/m² |
---|---|---|---|
Kingspan TR27 25mm | 25mm | 0.95 m²K/W | 1.78 kg/m² |
Kingspan TR27 50mm | 50mm | 1.90 m²K/W | 2.55 kg/m² |
Kingspan TR27 60mm | 60mm | 2.30 m²K/W | 2.93 kg/m² |
Kingspan TR27 70mm | 70mm | 2.65 m²K/W | 3.23 kg/m² |
Kingspan TR27 75mm | 75mm | 2.85 m²K/W | 3.39 kg/m² |
Kingspan TR27 80mm | 80mm | 3.20 m²K/W | 3.55 kg/m² |
Kingspan TR27 90mm | 90mm | 3.60 m²K/W | 3.97 kg/m² |
Kingspan TR27 100mm | 100mm | 4.00 m²K/W | 4.30 kg/m² |
Kingspan TR27 110mm | 110mm | 4.40 m²K/W | 4.64 kg/m² |
Kingspan TR27 120mm | 120mm | 5.00 m²K/W | 4.97 kg/m² |
Kingspan TR27 125mm | 125mm | 5.20 m²K/W | 5.14 kg/m² |
Kingspan TR27 130mm | 130mm | 5.40 m²K/W | 5.31 kg/m² |
Kingspan TR27 140mm | 140mm | 5.80 m²K/W | 5.64 kg/m² |
Kingspan TR27 150mm | 150mm | 6.25 m²K/W | 5.90 kg/m² |
Kingspan TR27 160mm | 160mm | 7.25 m²K/W | 6.31 kg/m² |
Product Certificates
Please visit the Kingspan website for product certificates.