Celotex Insulation Fire Rating

The information on this page summarises key research about our products fire performance in conjunction with the building regulations standards.

Celotex insulation fire rating.

A product can be described as non combustible if it receives a euroclass a1 rating under bs en 13501 1. 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. Saint gobain insulation uk celotex and isover celotex. Grenfell tower fire survivor 12 treated for cyanide.

1200 x 2400mm thickness. Here at kingspan we aim to provide clear and proven information about our products and their fire performance. Celotex rs5000 is the insulation component specifically tested as part of a system to british standard bs8414 2 2005. For specific products fire ratings please see their product page.

Trying to set fire to some celotex ga4000 pir foam commonly used in the uk construction industry. A euroclass reaction to fire rating is a measure of a product s behaviour when exposed to a direct ignition source. Non combustible products are the best option when it comes to fire rated insulation. A product with a euroclass a2 rating indicates limited combustibility which will be appended with the smoke emission and flaming droplets ratings for.

Polyisocyanurate also referred to as pir polyiso or iso is a thermoset plastic typically produced as a foam and used as rigid thermal insulation. 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. Available in thicknesses from 20mm to 40mm it is suitable for floor wall and roof applications. Celotex ga4000 pir insulation board.

The behaviour is classified as a1 through to f with a1 attaining the highest level of performance and f the lowest level of performance. The insulation known as celotex rs5000 was made from polyisocyanurate which burns when exposed to heat and gives off toxic cyanide fumes. The foam resists a turbo gas torch f.