Abstract: A composite product comprising a metakaolin-based mineral polymer. The composite product has a number of applications including use as a fire resistant material, use as a thermally insulating material and use as an impact resistance material. Methods of preparing a composite product according to the present invention and a kit of parts for preparing the composite product are also disclosed.

Abstract: Use of a foamed geopolymer as a fire-resistant sealant material, a method of sealing an aperture or cavity for housing services in a building comprising (i) applying a curable foamed geopolymer composition to the aperture or cavity; and (ii) curing the foamed geopolymer composition, thereby creating a seal in the aperture or cavity; and wherein the cured foamed geopolymer has fire-resistant properties, and a kit of parts for preparing a foamed geopolymer for use as a fire-resistant sealant material, comprising (i) a container holding a dry mixture of components suitable for preparing a foamed geopolymer including a blowing agent and (ii) a container holding an aqueous alkaline liquid mixture of components suitable for preparing a geopolymer.

Abstract: Use of a geopolymer in a coating composition for a building construction component, a coated component for use in building construction wherein the coating comprises a geopolymer, a method of coating a component comprising applying a curable geopolymer mixture to a surface of the component and curing the mixture to form a cured geopolymer coating, and the use of a geopolymer as a mortar.