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 may apply as we may need to get stock in 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.
General information about Kingspan Thermaroof TR27
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.
Kingspan Thermaroof TR27 is manufactured with Nilflam technology, a high performance fibre–free rigid thermoset polyisocyanurate (PIR) insulant manufactured with a blowing agent that has zero Ozone Depletion Potential (ODP) and low Global Warming Potential (GWP)
Faced on both sides with a coated glass tissue, autohesively bonded to the insulation core during manufacture
|Thermal Conductivity||0.027 W/m·K (insulant thickness > 80 mm)
0.025 W/m·K (insulant thickness 80 – 119 mm)
0.024 W/m·K (insulant thickness ≥ 120 mm) W/m·K
|Compressive Strength||150 kPa at 10% compression||BS EN 826: 2013|
|Nominal Density||32 kg/m³|
|Board Length||0.6m and 1.2m|
|Board Width||1.2m and 2.4m|
|Water Vapour Resistivity||> 300 MNs/gm||BS / I.S. EN 12086: 2013|
Buy Kingspan Thermaroof TR27
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 (highlighted in green below in the properties section) 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.
Please observe the 'Star Rating' indicators to assess availability.
Generally 1 or 2 days for delivery
Generally 1 to 5 days for delivery
Generally 5 to 10 days for delivery
Generally 5 to 15 days for delivery
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 Certification, Downloads, and Installation Guides
While we have provided Thermal Resistance values for all thicknesses on the Kingspan TR27 datasheet, some thicknesses may not be readily available.
Items highlighted in green are generally held in stock by Kingspan.
|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|
Standards & Approval
Kingspan Thermaroof TR27 is manufactured to the highest standards in accordance with the requirements of both BS 4841–3 (Rigid polyisocyanurate (PIR) and polyurethane (PUR) products for building end–use applications. Specification for laminated boards (roofboards) with auto–adhesively or separately bonded facings for use as roofboard thermal insulation under built–up bituminous roofing membranes) and BS 4841–4 (Rigid polyisocyanurate (PIR) and polyurethane (PUR) products for building end–use applications. Specification for laminated boards (roofboards) with auto–adhesively or separately bonded facings for use as roofboard thermal insulation under single−ply roofing membranes).
Kingspan Thermaroof TR27 is also manufactured to the highest standards under a management system certified to ISO 9001: 2015 (Quality management systems. Requirements), ISO 14001: 2015 (Environmental Management Systems Requirements), BS / I.S OHSAS 18001: 2007 (Occupational Health and Safety Management Systems Requirements) and ISO 50001: 2018 (Energy Management Systems Requirements with Guidance for Use).
Kingspan Thermaroof TR27, produced at Kingspan Insulation’s Pembridge and Selby manufacturing facilities, is covered by BBA Certificate 16/5332.