Kingspan Thermawall TW55
High performance rigid Polyisocyanurate (PIR) wall framing insulation board
Can be used between studs or as an insulating sheathing.
Suitable for use with timber frame and steel frame wall constructions.
Easy to handle and install.
Fibre–free core; manufactured with a blowing agent that has zero ODP and low GWP.
Ideal for new build and refurbishment.
Unaffected by air infiltration; 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 Thermawall Range includes the following readily available product thicknesses: 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, 100mm, 120mm, 125mm, 140mm and 150mm.
The folllowing thicknesses are manufactured to order: 105mm, 110mm, 115mm, 130mm and 165mm; these may carry minimum order levels.
General information about Kingspan Thermawall TW55
Wall framing insulating board
Kingspans high performance polyisocyanurate (PIR) foam board, Thermawall TW55, is suitable for use in timber and metal framing systems.
Kingspan Thermawall TW55 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 low emissivity composite foil, autohesively bonded to the insulation core during manufacture
|Thermal Conductivity||0.022 W/m·K|
|Compressive Strength||140 kPa at 10% compression||BS / I.S. EN 826: 2013|
|Nominal Density||32 kg/m³|
|Vapour Resistance||> 100 MNs/gm||BS / I.S. EN 12086: 2013|
Buy Kingspan Thermawall TW55
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 TW55 datasheet, some thicknesses may not be readily available.
Items highlighted in green are generally held in stock by Kingspan.
|Kingspan TW55 25mm||25mm||1.10 m²K/W||0.91 kg/m²|
|Kingspan TW55 30mm||30mm||1.35 m²K/W||1.04 kg/m²|
|Kingspan TW55 40mm||40mm||1.80 m²K/W||1.31 kg/m²|
|Kingspan TW55 50mm||50mm||2.25 m²K/W||1.56 kg/m²|
|Kingspan TW55 55mm||55mm||2.50 m²K/W||2.59 kg/m²|
|Kingspan TW55 60mm||60mm||2.70 m²K/W||1.92 kg/m²|
|Kingspan TW55 70mm||70mm||3.15 m²K/W||2.20 kg/m²|
|Kingspan TW55 75mm||75mm||3.40 m²K/W||2.30 kg/m²|
|Kingspan TW55 80mm||80mm||3.60 m²K/W||2.45 kg/m²|
|Kingspan TW55 90mm||90mm||4.06 m²K/W||2.91 kg/m²|
|Kingspan TW55 100mm||100mm||4.50 m²K/W||3.21 kg/m²|
|Kingspan TW55 110mm||110mm||5.00 m²K/W||3.86 kg/m²|
|Kingspan TW55 120mm||120mm||5.45 m²K/W||4.00 kg/m²|
|Kingspan TW55 125mm||125mm||5.65 m²K/W||4.34 kg/m²|
|Kingspan TW55 130mm||130mm||5.90 m²K/W||4.50 kg/m²|
|Kingspan TW55 140mm||140mm||6.35 m²K/W||4.82 kg/m²|
|Kingspan TW55 150mm||150mm||6.80 m²K/W||4.90 kg/m²|
Standards & Approval
Kingspan Thermawall TW55 is manufactured to the highest standards in accordance with BS 4841–1 Rigid polyisocyanurate (PIR) and polyurethane (PUR) products for building end–use applications. Specification for laminated insulation boards with auto–adhesively or separately bonded facings).
Kingspan Thermawall TW55 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).
The use of Kingspan Thermawall TW55 produced at Kingspan Insulation’s Pembridge and Selby manufacturing facilities is covered by BBA Certificate 14/5133, and that produced at Kingspan Insulation’s Castleblayney manufacturing facility by NSAI Agrément Certificate 03/0196.