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.
Ideal for new build and refurbishment.
BBA certified.
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 apply as we may need to get the products in from Kingspan 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 following thicknesses are manufactured to order: 105mm, 110mm, 115mm, 130mm and 165mm; these may carry minimum order levels.
Kingspan Thermawall TW55 is sent out from depots nationwide and is subject to the Local Depot Delivery minimum order levels and delivery charge thresholds.
Limited stock of the most popular boards sizes may be held at some of our larger depots, and thus, available on shorter lead times than the availability rating suggests.
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 may vary.
Generally 1 to 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
Delivery charges will be calculated at check-out. Please visit our Ordering From Us page for further details on minimum order levels and delivery charges. If you have any queries, please do not hesitate to contact me via our Contact Form or on 01903 899 898.
Product Application
Wall framing insulating board
Kingspans high performance polyisocyanurate (PIR) foam board, Thermawall TW55, is suitable for use in timber and metal framing systems.
Product Make-up
Core: Kingspan Thermawall TW55 is manufactured with Nilflam technology, a high performance fibre–free rigid thermoset polyisocyanurate (PIR) insulant.
Facings: Faced on both sides with a low emissivity composite foil, autohesively bonded to the insulation core during manufacture.
Product Properties
Thickness
20mm to 165mm
Length
2.4m
Width
1.2m
Edge
Square
Product Performance
Thermal Conductivity
0.022 W/mK
Compressive Strength
140 kPa at 10% compression
BS EN 826:2013
Vapour Resistance
> 100 MNs/gm
BS EN 12086: 1997 / I.S. EN 12086: 1998
Nominal Density
32 kg/m³
Product Variants
Product
Thickness
Thermal Resistance
kg/m²
Kingspan Thermawall TW55 20mm
20mm
0.90 m²K/W
0.94 kg/m²
Kingspan Thermawall TW55 25mm
25mm
1.10 m²K/W
1.10 kg/m²
Kingspan Thermawall TW55 30mm
30mm
1.35 m²K/W
1.26 kg/m²
Kingspan Thermawall TW55 40mm
40mm
1.80 m²K/W
1.58 kg/m²
Kingspan Thermawall TW55 50mm
50mm
2.25 m²K/W
1.90 kg/m²
Kingspan Thermawall TW55 60mm
60mm
2.70 m²K/W
2.22 kg/m²
Kingspan Thermawall TW55 70mm
70mm
3.15 m²K/W
2.54 kg/m²
Kingspan Thermawall TW55 75mm
75mm
3.40 m²K/W
2.70 kg/m²
Kingspan Thermawall TW55 80mm
80mm
3.60 m²K/W
2.86 kg/m²
Kingspan Thermawall TW55 90mm
90mm
4.05 m²K/W
3.18 kg/m²
Kingspan Thermawall TW55 100mm
100mm
4.50 m²K/W
3.50 kg/m²
Kingspan Thermawall TW55 110mm
110mm
5.00 m²K/W
3.82 kg/m²
Kingspan Thermawall TW55 120mm
120mm
5.45 m²K/W
4.14 kg/m²
Kingspan Thermawall TW55 125mm
125mm
5.65 m²K/W
4.30 kg/m²
Kingspan Thermawall TW55 130mm
130mm
5.90 m²K/W
4.46 kg/m²
Kingspan Thermawall TW55 140mm
140mm
6.35 m²K/W
4.78 kg/m²
Kingspan Thermawall TW55 150mm
150mm
6.80 m²K/W
5.10 kg/m²
While we have provided Thermal Resistance values for all thicknesses on the Kingspan Thermawall TW55 datasheet, some thicknesses may not be readily available.
