Foamed facer and insulation boards made therefrom

Details Foamed facer and insulation boards made therefrom Foamed facer and insulation boards made therefrom

B - Operations, Transporting

32

B

B32B 5/18 (2006.01) B32B 5/22 (2006.01) D04H 13/00 (2006.01) E04B 1/80 (2006.01)

Patent

CA 2340451

This invention relates to a low fiber, plyable facer suitable for use in the construction industry, particularly for insulation board manufacture, comprising a dry preformed fiber mat containing a binder for the fibers, preferably a preformed glass mat, coated with a prefoamed composition which contains a thixotropic polymer latex, a foam sustaining amount of a surfactant and a flame retarding and/or strengthening amount of a mineral filler and also to the use and process for the preparation of the above as well as to a siding underlayment or insulation board having a foamed, thermosetting resin core which is surfaced with said facer as a product for commercial use.

L'invention concerne un bardage pouvant être stratifié, possédant une teneur basse en fibres, s'utilisant de façon appropriée dans l'industrie de la construction, en particulier, afin de fabriquer des panneaux isolants et composé d'un mat de fibres préformé à sec contenant un liant pour les fibres, de préférence, un mat de verre préformé, revêtu d'une composition rendue préalablement moussante et contenant un latex polymère thixotropique, une quantité d'entretien de la mousse consistant en un tensioactif et une quantité ignifuge et/ou de renforcement d'une charge minérale. Elle concerne également l'utilisation et le procédé de préparation de cette garniture, ainsi qu'un panneau de support de bardage ou panneau isolant dont le noyau en mousse de résine thermodurcissante est appliqué sur la surface dudit bardage, de manière à obtenir un produit vendu dans le commerce.

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