Pre-insulated prefab wall panel

E - Fixed Constructions – 04 – B

Patent

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Details

E04B 2/34 (2006.01) E04B 1/14 (2006.01) E04B 1/74 (2006.01) E04B 2/70 (2006.01) E04C 2/38 (2006.01)

Patent

CA 2182242

A pre-insulated prefab wall panel comprising of a rectangular wall frame having top and bottom rail members and a plurality of spaced apart stud members aligned between the top and bottom rail members. A polystyrene boardstock is affixed to a first side of the rectangular wall frame, thereby defining with the top and bottom rail members and the plurality of stud members a plurality of rectangular cavities, wherein each cavity has a depth of the thickness of a stud member. The prefab wall panel further has a layer of foamed-in-place polyurethane covering a portion of each cavity adjoining the boardstock, and bonding the structural wall frame to the polystyrene boardstock. The layer of polyurethane foam has a thickness which is substantially less than the depth of each cavity, whereby each cavity has available space for accommodating sub-trade installations.

Cette invention concerne un élément de mur isolant préfabriqué à ossature rectangulaire comportant une lisse supérieure, une lisse inférieure et une pluralité de montants espacés reliant les deux lisses. Un panneau de polystyrène est fixé sur un premier côté de l'ossature rectangulaire, définissant en conjugaison avec les lisses supérieure et inférieure et la pluralité de montants une pluralité de cavités rectangulaires dont la profondeur correspond à l'épaisseur des montants. L'élément de mur préfabriqué comporte également une couche de polyuréthanne moussé en place qui couvre une partie de chacune des cavités susmentionnées et lie l'ossature au panneau de polystyrène. La couche de mousse de polyuréthanne ayant une épaisseur sensiblement inférieure à la profondeur des cavités, il subsiste dans chaque cavité de la place pour loger des matériaux de second oeuvre.

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