Abstract: A building construction product with an electroconductive surface, the building construction product comprising a core with one or more surfaces covered by an electroconductive paper comprising carbon fibers, the electroconductive paper being attached to the one or more surfaces of the core. Methods and materials for producing the building construction products with an electroconductive surface and products and methods for shielding an area from electromagnetic waves.

Abstract: A decorative interior trim piece is provided for use in a low voltage power transmission system, and includes an outer, decorative surface, an opposite inner surface facing a substrate, a first end surface and an opposite second end surface. At least one conductive element extends from the first end surface to said second end surface on the inner surface. Each conductive element has a connector surface at each of the first end and second ends. At least one magnetic fastener is secured to the inner surface for releasably attaching the trim piece to the substrate. A complementary low voltage power transmission system is also disclosed.

Abstract: A fastener is provided and is configured for securing magnetized items to a wallboard panel. Included on the fastener is a fastener body having a first side and an opposite second side, and a counter-sunk throughbore extends from the first side to the second side. The body has a tapered peripheral edge. In addition, the first side is covered with wallboard joint tape.

Abstract: Ceiling tiles and wallboards can be produced with vesicle dedusting agent. For example, a ceiling tile can comprise: a dried base mat that includes: (a) mineral wool; (b) binder; (c) a vesicle dedusting agent at about 0.01 to about 10 wt %, wherein the vesicle dedusting agent comprises vesicles; (d) optionally cellulosic fiber; (e) optionally perlite; (f) optionally glass fiber; and (g) optionally calcium sulfate dihydrate. For example, a wallboard produced from a slurry comprising: (a) calcium sulfate hemihydrate at 70 to 95 wt %; (b) a vesicle dedusting agent at about 0.01 to about 10 wt %, wherein the vesicle dedusting agent comprises vesicles; (c) optionally cellulose fibers at about 0.5 to about 3 wt %; (d) optionally at least one dispersant at about 0.01 to about 2 wt %; and (e) water at a ratio of water to dry components of about 1:6 to about 20:1.

Abstract: An identifiable wallboard joint tape is provided and includes a web of tape incorporated with an identifier such that the tape is visible under UV light and visually distinguishable from the surrounding wallboard joint and joint compound.

Abstract: A building construction product with an electroconductive surface, the building construction product comprising a core with one or more surfaces covered by an electroconductive paper comprising carbon fibers, the electroconductive paper being attached to the one or more surfaces of the core. Methods and materials for producing the building construction products with an electroconductive surface and products and methods for shielding an area from electromagnetic waves.

Abstract: A drying-type joint compound can comprise: (a) a primary filler at about 50 weight percent (wt %) to about 98 wt % on a dry basis, wherein the primary filler includes one member selected from the group of calcium carbonate, calcium sulfate dihydrate, and talc, and a mixture thereof; (b) a secondary filler at up to about 25 wt % on a dry basis; (c) a binder at about 1 wt % to about 15 wt % on a dry basis; (d) a polymer thickener at about 0.05 wt % to about 3 wt % on a dry basis; (e) a vesicle dedusting agent at about 0.01 wt % to about 10 wt % on a dry basis, wherein the vesicle dedusting agent comprises vesicles; and (f) an additive up to about 10 wt % o on a dry basis; and (g) water at a ratio of water to dry components of about 1:6 to about 3:1.

Abstract: A gypsum-based composition of calcium sulfate hemihydrate with (a) alum and calcium carbonate and/or (b) zeolite and sodium percarbonate for making foamed gypsum slurry. A method to make foamed gypsum slurry from the composition. A method to make foamed gypsum product from the composition. A cavity wall having a cavity filled with the foamed gypsum product.

Abstract: A decorative interior trim piece is provided for use in a low voltage power transmission system, and includes an outer, decorative surface, an opposite inner surface facing a substrate, a first end surface and an opposite second end surface. At least one conductive element extends from the first end surface to said second end surface on the inner surface. Each conductive element has a connector surface at each of the first end and second ends. At least one magnetic fastener is secured to the inner surface for releasably attaching the trim piece to the substrate. A complementary low voltage power transmission system is also disclosed.

Abstract: A fastener is provided and is configured for securing magnetized items to a wallboard panel. Included on the fastener is a fastener body having a first side and an opposite second side, and a counter-sunk throughbore extends from the first side to the second side. The body has a tapered peripheral edge. In addition, the first side is covered with wallboard joint tape.

Abstract: A drying-type joint compound can comprise: (a) a primary filler at about 50 weight percent (wt %) to about 98 wt % on a dry basis, wherein the primary filler includes one member selected from the group of calcium carbonate, calcium sulfate dihydrate, and talc, and a mixture thereof; (b) a secondary filler at up to about 25 wt % on a dry basis; (c) a binder at about 1 wt % to about 15 wt % on a dry basis; (d) a polymer thickener at about 0.05 wt % to about 3 wt % on a dry basis; (e) a vesicle dedusting agent at about 0.01 wt % to about 10 wt % on a dry basis, wherein the vesicle dedusting agent comprises vesicles; and (f) an additive up to about 10 wt % o on a dry basis; and (g) water at a ratio of water to dry components of about 1:6 to about 3:1.

Abstract: Ceiling tiles and wallboards can be produced with vesicle dedusting agent. For example, a ceiling tile can comprise: a dried base mat that includes: (a) mineral wool; (b) binder; (c) a vesicle dedusting agent at about 0.01 to about 10 wt %, wherein the vesicle dedusting agent comprises vesicles; (d) optionally cellulosic fiber; (e) optionally perlite; (f) optionally glass fiber; and (g) optionally calcium sulfate dihydrate. For example, a wallboard produced from a slurry comprising: (a) calcium sulfate hemihydrate at 70 to 95 wt %; (b) a vesicle dedusting agent at about 0.01 to about 10 wt %, wherein the vesicle dedusting agent comprises vesicles; (c) optionally cellulose fibers at about 0.5 to about 3 wt %; (d) optionally at least one dispersant at about 0.01 to about 2 wt %; and (e) water at a ratio of water to dry components of about 1:6 to about 20:1.

Abstract: The invention is directed to a joint tape for finishing a joint between boards having a nonwoven substrate that does not swell substantially in the presence of water. The invention further provides a method of finishing a joint between boards having the steps of (i) applying a joint tape of the invention to a joint between boards by embedding the joint tape in a first coat of joint compound, (ii) applying a second coat of joint compound over the tape, wherein step (ii) is carried out before the joint tape and joint compound applied in step (i) have substantially dried, and optionally (iii) applying a third fill or finish coat of joint compound over the tape, wherein step (iii) is carried out before the joint tape and second coat have substantially dried.

Abstract: A water-soluble texture enhancing composition, including a base powdered composition including powdered calcium carbonate, and a soluble packaged bleach, provided in sufficient quantity so that upon mixing with the base composition and water to form an aqueous slurry, and being agitated, the bleach provides an anti-microbial function for an extended period, preferably up to 80 hours. Also, a process for preparing a textured composition is provided, including providing a base powdered texture composition, providing soluble packaged bleach and mixing same with the base composition, and adding water to create an aqueous slurry, the soluble packaged bleach being provided in sufficient amount for inhibiting microbial growth in the solution for an extended period, preferably up to 80 hours.

Abstract: A joint compound system is provided including a main container of base joint compound; and an additive container isolated from the base joint compound and housing at least one and preferably multiple additive packages constructed and arranged so that the additive packages are protected from exposure to moisture prior to their ultimate mixing with the base joint compound.

Abstract: An identifiable wallboard joint tape is provided and includes a web of tape incorporated with an identifier such that the tape is visible under UV light and visually distinguishable from the surrounding wallboard joint and joint compound.

Abstract: A joint compound system is provided including a main container of base joint compound; and an additive container isolated from the base joint compound and housing at least one and preferably multiple water soluble additive packages constructed and arranged so that the additive packages are protected from exposure to moisture prior to their ultimate mixing with the base joint compound.

Abstract: A gypsum-based composition of calcium sulfate hemihydrate with (a) alum and calcium carbonate and/or (b) zeolite and sodium percarbonate for making foamed gypsum slurry. A method to make foamed gypsum slurry from the composition. A method to make foamed gypsum product from the composition. A cavity wall having a cavity filled with the foamed gypsum product.

Abstract: Provided are building panels comprising at least one magnet receptive element, methods for making such panels, and kits and methods for attaching objects to a panel without nails or screws.

Abstract: The invention is directed to a joint tape for finishing a joint between boards comprising a nonwoven substrate that does not swell substantially in the presence of water. The invention further provides a method of finishing a joint between boards comprising (i) applying a joint tape of the invention to a joint between boards by embedding the joint tape in a first coat of joint compound, (ii) applying a second coat of joint compound over the tape, wherein step (ii) is carried out before the joint tape and joint compound applied in step (i) have substantially dried, and optionally (iii) applying a third fill or finish coat of joint compound over the tape, wherein step (iii) is carried out before the joint tape and second coat have substantially dried.