E - Fixed Constructions – 04 – B
Patent
E - Fixed Constructions
04
B
E04B 1/74 (2006.01) E04B 1/88 (2006.01)
Patent
CA 2244031
A loose-fill insulation product is provided which includes a dry mixture of loose-fill fiberglass and an inorganic (being composed of matter other than plant or animal) adhesive in the form of a redispersible powder. During application, the dry loose-fill mixture is coated with a liquid (e.g. water) so as to activate the adhesive. Thereafter, the loose-fill mixture with activated adhesive is blown or sprayed into a cavity (open or closed) so as to insulate same. According to certain embodiments, this mixture may be blown into open attic areas so as to insulate same and reduce the movement of loose-fill insulation. It has been found that the redispersible powder (RP) dry adhesive mixes more uniformly within the dry mixture and clings better to the glass fibers when the mixture is substantially free of anti-static material. In certain embodiments, a color dye is provided in the mixture, and is activated upon installation.
Cette invention concerne un isolant en vrac composé d'un mélange sec de fibres de verre et d'adhésif inorganique (c.-à-d. d'origine ni végétale ni animale) sous forme de poudre redispersable. Préalablement à la mise en place de l'isolant par projection ou soufflage dans le volume fermé ou ouvert à isoler, le mélange sec est humecté (avec de l'eau par exemple) pour activer l'adhésif. Certaines variantes peuvent être soufflées dans un grenier non cloisonné pour en assurer l'isolation tout en empêchant la remise en suspension de particules d'isolant en vrac. L'expérience a montré que l'adhésif en poudre sèche redispersable se mélange mieux à l'isolant en vrac et adhère mieux aux fibres de verre en l'absence quasi totale d'agent antiélectrostatique. Certaines variantes comprennent un colorant qui est activé à la pose.
Chenoweth Charles
Church Joseph T.
Romes Gary E.
Vagedes Mark H.
Guardian Fiberglass Inc.
Nexus Law Group Llp
LandOfFree
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