An exterior sheathing cementitious panel which prevents water penetration and air leakage is provided. Methods for manufacturing exterior sheathing cementitious panels with a highly efficient integrated air/water barrier membrane are provided as well.

The invention is directed to a mine tailing and fly ash containing construction material having improved compressive strength and water resistance. The mine tailing and fly ash containing material includes mine tailing, fly ash, an alkali solution comprising sodium hydroxide and, optionally, calcium hydroxide, and water. The invention further provides a geopolymerization method of forming a mine tailing and fly ash containing construction material.

A modified asphalt composition contains a bituminous component, a copolymeric thermoplastic elastomer (TPE), a high-cis homopolymeric polybutadiene rubber (BR) and a cross-linking agent. The modified asphalt composition exhibits improved low temperature flexibility (crack resistance), improved resistance to rutting (deformation) and/or improved storage stability.

A nano-modified material for cavity wall with insulation for prefabricated building, preparation method and application thereof, belonging to the technical field of building materials. The material includes splicing structures and a nano-modified silane waterproof coating, wherein the splicing structure includes a recycled concrete structure layer and a nano-modified foam concrete thermal insulation core layer, the recycled concrete structure layer is a hollow cuboid structure with openings at both ends, the nano-modified foam concrete thermal insulation core layer is a structure formed by casting inside the recycled concrete structure layer, and the nano-modified silane waterproof coating is applied at a butt joint of two of the splicing structures.

A composition configured to form a heat generating layer on a building element is disclosed. The composition includes a base material and an electrically conductive filler, wherein the composition is configured to form a heat generating layer after it has been applied to a surface of the building element. The composition may be a construction adhesive or jointing composition, a gel coat composition or a bedding or self-levelling composition.

A two-component epoxy-modified cement mortar, wherein component A includes cement and an epoxy compound and component B including water and an amine hardener for the epoxy compound, and wherein the epoxy compound includes at least one liquid, water soluble polyepoxide.

Hydrophobized granular material comprising from 30 to 95% by weight of a pyrogenic mixed oxide based on silica and at least one oxide of metal M selected from of Al, Ti and Fe with the content of metal M oxide in the mixed oxide being from 01 to 10% by weight, and from 5 to 70% by weight of at least one IR-opacifier selected from the group consisting of silicon carbide, zirconium dioxide, ilmenites, iron titanates, zirconium silicates, manganese oxides, graphites, carbon blacks and mixtures thereof.

The present invention relates to a process for producing a hydrophobized shaped thermal-insulation body, comprising pressing or compacting a thermal-insulation mixture containing a silica, an IR opacifier, an organosilicon compound A and an organosilicon compound B, wherein organosilicon compound A is hexamethyldisilazane (HMDS) and organosilicon compound B corresponds to a substance of the formula R.sub.nSiX.sub.4-n, where R=hydrocarbyl radical having 1 to 18 carbon atoms, n=0, 1 or 2, X=Cl, Br or alkoxy group —OR.sup.1 where R.sup.1=hydrocarbyl radical having 1 to 8 carbon atoms, or organosilicon compound B corresponds to a silanol of the formula HO[—Si(CH.sub.3).sub.2O—].sub.mH, where m=2-100.

The present invention provides a preparation method for a high-performance water infiltration resisting material. Components of the water infiltration resisting material are mixed by the following weight ratio: wherein the content of ammonia silicate is 2.0-7.0 wt %, the content of sodium ethylsiliconate is 1.2-20.5 wt %, the content of polyacrylate-diatomite is 6.0-13.0 wt %, the content of sandy soil is 15.0-40.0 wt %, the content of coarse sand is 4.0-12.0 wt %, the content of calcia is 6.0-17.0 wt %, the content of cement is 30.0-50.0 wt %, and the content of additive is 0.02-0.09 wt %. The present invention can be used in dams, baths, pools, basements, building roofs and other fields of water infiltration resisting, and has the characteristics of high resistance to water infiltration, long effective water resistance time, being non-toxic and harmless, and convenient use.

A shear panel building material that includes a first facing membrane, a core matrix disposed on a face of the first facing membrane, and a semi-rigid or rigid material attached to the core matrix. The core matrix can include microspheres having a size of about 200 microns to about 800 microns, sodium silicate, and ethylene vinyl acetate. In one aspect, the shear panel is substantially free from glue and cement.