Kingspan Products: Thermaroof TR21 Description

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Kingspan Materials - Thermaroof TR21

Product Description

Thermaroof TR21

Kingspan Thermaroof TR21 is faced on both sides with glass reinforced perforated cellulose autohesively bonded to the insulation core during manufacture.

The Core

The core of Kingspan Thermaroof TR21 is a high performance CFC/HCFC–free rigid urethane insulant of typical density 32 kg/m3.

Product Data

Standard Dimensions

Kingspan Thermaroof TR21 is available in the following standard sizes and thicknesses.

Nominal Dimension	(m)	Availability
Length	(m)	1.2
Width	(mm)	0.6
Insulant Thickness	(mm)	Refer to local distributor or Kingspan Insulation price list for current stock and non–stock sizes.

Durability

If correctly applied, Kingspan Thermaroof TR21 has an indefinite life. Its durability depends on the supporting structure, waterproofing and the conditions of its use.

Resistance to Solvents, Fungi & Rodents

The insulation core is resistant to short–term contact with petrol and most diluted 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 suppliers of the spilled liquid. The insulation core is not resistant to some solvent–based adhesive 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. The insulation core and facings used in the manufacture of Kingspan Thermaroof TR21 resist attack by mould and microbial growth and do not provide any food value to vermin.

Fire Performance

Flat roofs insulated with Kingspan Thermaroof TR21 when subjected to British Standard fire tests achieve the following typical results when waterproofed with 3 layer built–up felt and a loading coat of 10 mm chippings. For specifications without the chippings please consult the manufacturer of the mineral surfaced cap sheet for their fire classification details.

Nominal Dimension	Result
BS 476–3: 1958 (External fire exposure roof test)	FAA rating

Click here for full datasheet on this product direct from Kingspan

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