An improved lath is disclosed having a water drainage layer provided in association with the lath. The water drainage layer serves to remove water that might otherwise build up between the lath and wall structure.
대표청구항▼
1. A construct for use in a wall structure, comprising: a lath member having a front side and a back side, the lath member composed of a matrix of fibers comprising a first diameter, wherein the matrix of fibers forms openings in the lath member sufficient to provide keying for cementitious material
1. A construct for use in a wall structure, comprising: a lath member having a front side and a back side, the lath member composed of a matrix of fibers comprising a first diameter, wherein the matrix of fibers forms openings in the lath member sufficient to provide keying for cementitious material; anda water channel material having a front side and a back side defining a width therebetween, the width being generally filled in cross-section with non-absorbent, fibrous elements that span the width so as to define a path for water passing through the width from a top to a bottom thereof, wherein the fibrous elements comprise a second diameter smaller than the first diameter, wherein the water channel material comprises a porosity sufficient to permit water to pass therethrough, but insufficient for cementitious material to pass therethrough, and wherein the back side of the lath member is positioned on the front side of the water channel material. 2. The construct of claim 1, wherein the back side of the lath member is affixed to the front side of the water channel material such that the lath member and the water channel material are joined together as a unitary whole. 3. The construct of claim 1, wherein the lath member is self-furred. 4. The construct of claim 1, wherein the lath member is flat. 5. The construct of claim 1, wherein the matrix of fibers comprises a rigid material. 6. The construct of claim 1, further comprising a vapor barrier layer affixed to the back side of the water channel material. 7. The construct of claim 6, wherein the lath member, the water channel material, and the vapor barrier layer are joined together as a unitary whole. 8. A construct for use in a wall structure, comprising: a lath member having a front side and a back side, the lath member composed of a matrix of fibers, wherein the matrix of fibers forms openings in the lath member sufficient to provide keying for cementitious material;a water channel material composed of a plastic sheet having a front side and a back side, wherein the water channel material includes corrugations extending from the front side of the water channel material, wherein the corrugations define drainage channels from a top to a bottom of the water channel material, and wherein the back side of the lath member is positioned on the front side of the water channel material. 9. The construct of claim 8, wherein the back side of the lath member is affixed to the front side of the water channel material such that the lath member and the water channel material are joined together as a unitary whole. 10. The construct of claim 8, wherein the lath member is self-furred. 11. The construct of claim 8, wherein the lath member is flat. 12. The construct of claim 8, wherein the matrix of fibers comprises a rigid material. 13. The construct of claim 8, wherein the corrugations are thermoformed in the water channel material. 14. The construct of claim 8, further comprising a vapor barrier layer affixed to the back side of the water channel material. 15. The construct of claim 14, wherein the lath member, the water channel material, and the vapor barrier layer are joined together as a unitary whole. 16. A method of installing a lath and drainage construct comprising: trimming a section of the lath and drainage construct to a determined size, wherein the lath and drainage construct comprises: a lath member having a front side and a back side, the lath member composed of a matrix of fibers comprising a first diameter, wherein the matrix of fibers forms openings in the lath member sufficient to provide keying for cementitious material; anda water channel material having a front side and a back side defining a width therebetween, the width being generally filled in cross-section with non-absorbent, fibrous elements that span the width so as to define a path for water passing through the width from a top to a bottom thereof, wherein the fibrous elements comprise a second diameter smaller than the first diameter, wherein the water channel material comprises a porosity sufficient to permit water to pass therethrough, but insufficient for cementitious material to pass therethrough, and wherein the back side of the lath member is positioned on the front side of the water channel material;placing the section of the lath and drainage construct on a building wall; andaffixing the section of the lath and drainage construct to the building wall. 17. The construct of claim 16, wherein the back side of the lath member is affixed to the front side of the water channel material such that the lath member and the water channel material are joined together as a unitary whole. 18. The method of claim 16, wherein affixing the section of the lath and drainage construct to the building wall comprises driving a plurality of penetrating fasteners through the section and into the building wall. 19. The method of claim 18, wherein the lath and drainage construct further comprises a plurality of spacers forming a space between the lath member and the water channel material, and wherein each fastener in the plurality of fasteners is driven through one of the plurality of spacers. 20. The method of claim 16, further comprising: applying cementitious material to the front side of the lath member.
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