Fire retardant insulation spray coating composition

Details Fire retardant insulation spray coating composition Fire retardant insulation spray coating composition

E - Fixed Constructions

04

C

6/19, 6/18.7

E04C 3/04 (2006.01) E04B 1/94 (2006.01) E04C 5/01 (2006.01)

Patent

CA 1270351

ABSTRACT OF THE DISCLOSURE The use of a liquid mixture of a liquid alkali- metal silicate preferably sodium or potassium silicate and more preferably sodium silicate with an inert mineral filler selected from perlite and vermiculite, suitably in an amount from 5 to 50% by weight and a mineral powder suitably selected from aluminium trihydrate and Wollastonite in an amount such as to intumesce with said silicate and to form a non-porous ceramic coating when subject to fire and suitably in an amount from 2 to 25% by weight for the protection of steel beams and columns against twisting due to fire. The formation of such coating both insulates and protects the steel beam or column from the heat from said fire. Suitably the thickness of the coating is at least two inches and is preferably from 2 to 4 inches to achieve the protection.

505876

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