Kingspan TW55 Thermawall Rigid PIR Insulation Boards
Kingspan's popular polyisocyanurate products are available in most popular thickness’s from the manufacturer, in which case short lead-times apply. The most popular board sizes may be available from stock.
Kingspan TW55, TF70 and TP10 are readily available in the following product thickness's 20mm, 25mm, 30mm, 40mm, 50mm, 60mm, 70mm, 75mm, 80mm, 90mm, 100mm, 105mm, 120mm and 150mm.
Manufactured to order are the following thickness's 45mm, 55mm, 65mm, 85mm, 110mm, 115mm, 130mm, 135mm and 140mm
The Thermawall TW55 Range comprises performance rigid PIR boards used for Insulation for timber and steel framing systems.
To emphasise the application specific suitability of ThermaWall TW55, Thermapitch TP10, and ThermaFloor TF70, Kingspan have branded the same product with these three different names.
Common applications for this product include ...
Single Timber Frame Wall Lining, Steel Stud Frame Walls, Timber Frame Wall Lining, and Timber Frame Walls Sheathing
The Front Facings
TW55 is faced on both sides with a low emissivity composite foil facing which is highly resistant to the transmission of water vapour. This reflective, low emissivity surface can effectively double the thermal resistance of the cavity in which the board is placed.
The core of TW55 is manufactured from trademarked Nilflam technology (a high performance CFC/HCFC free polyisocyanurate (PIR) based formulation). TW55 has a typical density of 32 kg/m3.
TW55 is manufactured without the use of CFCs/HCFCs and has zero Ozone Depletion Potential (ODP).
Typically exceeds 140 kPa at 10% compression when tested to BS EN 826: 1996 (Thermal insulating products for building applications. Determination of compression behaviour).
Water Vapour Resistance
Modified to include board facings, the boards achieve a resistance far greater than 100 MN.s/g, when tested in accordance with BS 4370–2: 1993 (Methods of test for rigid cellular materials. Methods 7 to 9)
Where additional vapour control is required an appropriate surface treatment should be applied over the completed insulated wall area (see ‘Water Vapour Control’)
If correctly applied, the TW55 Board has an indefinite life. Its durability depends on the supporting structure and the conditions of its use.
Resistance to Solvents, Fungi & Rodents
The insulation core is resistant to short–term contact with petrol and with most dilute acids, alkalis and mineral oils.
However, it is recommended that any spills be cleaned off fully before the boards are installed. Ensure that safe methods of cleaning are used, as recommended by the suppliers of the spilt liquid. The insulation core is not resistant to some solvent–based adhesives systems, particularly those containing methyl ethyl ketone. Adhesives containing such solvents should not be used in association with this product.
Damaged boards or boards that have been in contact with harsh solvents or acids should not be used.
TW55, when subjected to British Standard fire tests, achieves the results given below.
Test - BS 476–3: 1958 (External fire membrane adopted exposure roof test)
Result - SAA rating
Test - BS 476–7: 1997 (Fire tests on building materials and structures. Method of test to determine the classification of the surface spread of flame of products
Result - Class 1 rating
High performance rigid PIR thermoset insulation – thermal conductivity 0.022 W/m.K
High performance rigid thermoset insulation – thermal conductivity 0.022 W/m.K
Can be used between studs or as an insulating sheathing
Suitable for use with timber
frame and steel frame wall constructions
Unaffected by air infiltration
Resistant to the passage of water vapour
Easy to handle and install
Ideal for new build or refurbishment
Manufactured with a blowing agent that has zero ODP and low GWP