Celotex Insulation Fire Rating

A euroclass reaction to fire rating is a measure of a product s behaviour when exposed to a direct ignition source.

Celotex insulation fire rating.

For specific products fire ratings please see their product page. Celotex tb4000 is a high performance easy to install polyisocyanurate pir insulation board featuring a low emissivity foil facing. The information on this page summarises key research about our products fire performance in conjunction with the building regulations standards. Non combustible products are the best option when it comes to fire rated insulation.

Celotex fr5000 is a new revolutionary fire resistant pir insulation board specifically aimed at pitched roof and wall applications requiring class o fire rated performance. The foam resists a turbo gas torch f. The insulation known as celotex rs5000 was made from polyisocyanurate which burns when exposed to heat and gives off toxic cyanide fumes. A product can be described as non combustible if it receives a euroclass a1 rating under bs en 13501 1.

Fr5000 is the most cost effective thermally efficient product offering class o fire performance throughout the product not just at the foam core. The behaviour is classified as a1 through to f with a1 attaining the highest level of performance and f the lowest level of performance. Polyisocyanurate also referred to as pir polyiso or iso is a thermoset plastic typically produced as a foam and used as rigid thermal insulation. Available in thicknesses from 20mm to 40mm it is suitable for floor wall and roof applications.

Here at kingspan we aim to provide clear and proven information about our products and their fire performance. This product has a fire rating classification of class 0 in accordance with british standards. Trying to set fire to some celotex ga4000 pir foam commonly used in the uk construction industry. 1200 x 2400mm thickness.

The starting materials are similar to those used in polyurethane pur except that the proportion of methylene diphenyl diisocyanate mdi is higher and a polyester derived polyol is used in the reaction instead of a polyether polyol. Grenfell tower fire survivor 12 treated for cyanide. A product with a euroclass a2 rating indicates limited combustibility which will be appended with the smoke emission and flaming droplets ratings for.