A framed wall construction (10) includes a generally vertically orientated frame (12). A substantially planar layer of a moisture barrier (21) having a generally water-resistant front surface is fixedly attached to substantially cover the frame (12). To complete the wall construction, an outer cladd
A framed wall construction (10) includes a generally vertically orientated frame (12). A substantially planar layer of a moisture barrier (21) having a generally water-resistant front surface is fixedly attached to substantially cover the frame (12). To complete the wall construction, an outer cladding material (22) is secured to cover the moisture barrier (21).
대표청구항▼
1. A drainage panel for a framed wall construction, said drainage panel being substantially rigid and comprising: a substantially water-resistant front surface;a plurality of spaced apart primary drainage channels recessed into said front surface to facilitate drainage of water between said drainage
1. A drainage panel for a framed wall construction, said drainage panel being substantially rigid and comprising: a substantially water-resistant front surface;a plurality of spaced apart primary drainage channels recessed into said front surface to facilitate drainage of water between said drainage panel and a cladding material affixed to said front surface;a plurality of spaced apart secondary drainage channels recessed into said front surface, said secondary drainage channels extending obliquely between at least some adjacent pairs of the primary drainage channels in a manner such that the secondary drainage channels zigzag horizontally across the front surface;wherein said primary and secondary drainage channels are recessed into said front surface to define a plurality of raised upper lands, wherein the primary and secondary drainage channels are configured in a manner such that the density of the raised upper lands is greater along one or more vertical axis are adapted to that correspond to stud locations on a framed wall;wherein each raised upper land has an upper surface, wherein the combined area of the upper surface of the raised upper lands is greater than the area of the drainage channels;wherein said front surface is at least partially permeable to air and water vapor while being substantially impermeable to water in its liquid form, wherein the drainage panel provides structural support for the framed wall construction. 2. The drainage panel according to claim 1, wherein said secondary drainage channels extending generally transversely to said primary drainage channels and intersecting with at least some adjacent pairs thereof, said drainage channels facilitate drainage of water between said drainage panel and said cladding material. 3. The drainage panel according to claim 2, wherein said secondary drainage channels direct water between said primary drainage channels. 4. The drainage panel according to claim 2, wherein said secondary drainage channels provide cross ventilation between at least some adjacent pairs of said primary drainage channels. 5. The drainage panel according to claim 2, the raised upper lands comprise an array of relatively raised and substantially planar lands, with respect to said drainage channels, said array of lands being in the form of a series of horizontal rows and vertical columns. 6. The drainage panel according to claim 5, wherein said framed wall construction includes one or more vertical frame elements and wherein said front surface includes at least one of said vertical column of lands substantially aligning with at least one vertical frame element during assembly of said wall construction. 7. The drainage panel according to claim 2, wherein said primary and secondary channels are roll-formed or embossed into said front surface. 8. The drainage panel according to claim 2, wherein said primary and secondary channels are cast, machined or extruded into said front surface. 9. The drainage panel according to claim 1, wherein said primary drainage channels are configured in use, to extend substantially vertically along said drainage panel. 10. The drainage panel according to claim 1, wherein said front surface includes indicia to indicate fastening locations. 11. The drainage panel according to claim 1, wherein the width of each primary drainage channel allows an adhesive sealing tape to closely follow the surface profile of said front surface to provide a seal that prevents, or at least minimizes, moisture penetrating along the adhesive tape line. 12. The drainage panel according to claim 1, wherein said drainage panel is substantially formed from wood, wood composite, Oriented Strand Board, plastics, other composite barriers, fiber reinforced cement or a combination thereof. 13. The drainage panel according to claim 1, wherein said front surface includes a hydrophobic film or coating selected from the group consisting of substantially water repellent cellulosic material, perforated polymer film, spunbonded polymer sheet or a combination thereof. 14. The drainage panel according to claim 13, wherein said hydrophobic film or coating includes siloxane. 15. A wall frame construction comprising: a generally vertically orientated frame;a planar layer of a drainage panel according to claim 1 fixedly attached to and substantially covering said frame; anda cladding material substantially covering said drainage panel. 16. The framed wall construction according to claim 15, wherein said cladding material includes a cementitious barrier, oriented strandboard, plywood, metal, masonry or a combination of these. 17. The framed wall construction according to claim 15, wherein said cladding material includes at least one cladding panel substantially formed from fiber-reinforced cement.
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