Building component

E - Fixed Constructions – 04 – B

Patent

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Details

257/21.1, 20/38.

E04B 2/28 (2006.01) E04B 1/80 (2006.01) E04C 2/26 (2006.01) E04C 2/30 (2006.01)

Patent

CA 1053433

ABSTRACT OF THE DISCLOSURE A panel building component for use in conjunction with a heat-insulating wall of the type having a porous layer through which a transverse air flow is maintained in a di- rection opposite to the direction of the temperature gradient. The panel building component comprises a frame and two spaced layers secured to the frame and defining an air space between them. One layer is rigid and impermeable to air whereas the other layer has a limited permeability to air. The panel building component is mounted as a lining or cladding on the wall with the air-permeable layer in face-to-face engagement with the porous layer of the wall. The air space is connected to a fan which maintains a reduced pressure in the air space to cause external air to flow through the porous layer into the air space. -1-

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