Composite building material

Details Composite building material Composite building material

E - Fixed Constructions

04

C

E04C 2/04 (2006.01) E04C 2/34 (2006.01) E04C 2/36 (2006.01)

Patent

CA 2424889

This invention generally pertains to a composite building material comprising a lightweight core with a thin fiber cement facing on one side of the core and a second facing material on the other side. The fiber cement facing that is used on at least one of the faces of the building material is 3/16" or less, more preferably 1/8" or less. The green fiber cement facing is preferably formed by a slurry-dewatering process to form a sheet that is in a plastic, uncured, state prior to manufacture of the composite. The composite building material is assembled in an uncured state and then cured.

L'invention concerne, d'une manière générale, un matériau de construction composite comprenant un noyau léger présentant une couche de fibro-ciment mince sur un côté du noyau et un second matériau de couche sur l'autre côté. La couche de fibro-ciment mince utilisée sur au moins une des surfaces du matériau de construction est égale ou inférieure à 3/16'', et de préférence égale ou inférieure à 1/8''. La couche de fibro-ciment natif est, de préférence, formée par un procédé d'égouttage d'une suspension, de manière à former une feuille à l'état plastique, non durcie avant la fabrication du composite. Le matériau de construction composite est assemblé à l'état non durci, puis durci.

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