Abstract: A kit of parts suitable to form a waterproofing membrane consisting of a first component A including or consisting of a) 5-60 mass parts, preferably 30-60 mass parts, more preferably 45-55 mass parts, of a hydraulic binder, b) 0.5-15 mass parts, preferably 1-5 mass parts of at least one synthetic polymer, c) 20-80 mass parts, preferably 30-50 mass parts of aggregates, and d) optionally further additives and a second component B including or consisting of an aqueous emulsion of bitumen.

Abstract: A mortar composition, in particular a leveling mortar composition, including: a) 3-45 wt. % of a hydraulic binder, b) 15-80 wt. % of lightweight aggregates, c) 5-50 wt. % of a polymer.

Abstract: A dry mortar, in particular a cementitious tile adhesive using fibers. A method improves the slip resistance, the flexibility, and/or the consistency of a dry mortar mixed up with water. Moreover, a structure, in particular a floor, a wall or a ceiling, includes a cover element, in particular a tile, whereby the cover element is fixed to the structure with a dry mortar mixed up with water.

Abstract: A process for the waterproofing of porous construction materials, the process including the steps of mixing water and a composition C, the composition C comprising, in each case based on the total weight of the composition C, a) 2-15 wt.-% of at least one binder selected from natural hydraulic lime (NHL), formulated lime (FL), and hydraulic lime (HL), b) 1-20 wt.-% of at least one pozzolanic material, c) 40-80 wt.-% of at least one aggregate, d) 2-30 wt.-% of at least one synthetic polymer, and wherein the content of Portland cement in said composition C is <3 wt.-%, applying the mixture thus obtained to a porous construction material, and optionally hardening the applied mixture.

Abstract: A mortar composition, in particular for preparing a viscoelastic structure and/or a fire barrier, including: a) 15-50 wt.-% of a hydraulic binder, b) 5-35 wt.-% of lightweight aggregates, c) 5-25 wt. % of further aggregates which have a particle density that is higher than the particle density of the lightweight aggregates, and d) 10-50 wt.-% of a polymer.

Abstract: An aqueous composition for repairing and/or sealing of hardened cementitious materials, especially of concrete structures, the aqueous composition including colloidal silica and a polycarboxylic acid. An aqueous composition shows a very high penetration depth as well as sealing capacity of cracked cementitious materials.

Abstract: A mortar composition, in particular a leveling mortar composition, including: a) 10-50 wt. % of a hydraulic binder, b) 10-25 wt. % of lightweight aggregates, c) 30-50 wt. % of further aggregates which have a particle density that is higher than the particle density of the lightweight aggregates, d) 0.5-5 wt. % of a polymer.

Abstract: Methods are disclosed in which an additive is used for controlling the flexibility of a hydraulic binder composition, where the additive includes a silane-functional polymer, the silane-functional polymer being a silane-functional polyurethane polymer and/or a silane-functional polyether.

Abstract: A mortar composition, in particular a leveling mortar composition, including: a) 3-45 wt. % of a hydraulic binder, b) 15-80 wt. % of lightweight aggregates, c) 5-50 wt. % of a polymer.

Abstract: An adhesive composition, in particular a tile adhesive, includes: a) 10-50 wt. % of a hydraulic binder, b) 20-60 wt. % of lightweight aggregates, c) 10-25 wt. % of a polymer.

Abstract: 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.

Abstract: A composition including: at least one waterbased polyurethane dispersion containing ethylene oxide units; at least one cement; and at least one mineral filler. The composition can be mixed and applied without coagulation of the polyurethane dispersion. Upon curing, it has a high strength and good adhesion properties, with surprisingly low shrinkage and most surprisingly good water impermeability properties. It is particularly suitable for the use as repair mortar, waterproofing mortar or screed mortar.

Abstract: Described is an aqueous composition for repairing and/or sealing of hardened concrete structures, the aqueous composition including colloidal silica and polycarboxylate ether. Also described is a method for repairing and/or sealing a hardened concrete structure, including a step of applying an aqueous composition including colloidal silica and polycarboxylate ether to a hardened concrete structure or a part thereof.

Abstract: An aqueous composition is used for repairing and/or sealing of hardened concrete structures, the aqueous composition including colloidal silica and polycarboxylate ether.

Abstract: Compositions for coating roofs, facades, floors or vertical facings including at least one acrylic polymer and at least one polyurethane polymer and at least one ethylene vinyl acetate emulsion. The compositions combine the advantages of the excellent features of polyurethane compositions with the reduced cost of acrylic compositions in such a manner that a balance between both characteristics is shown. Methods for covering a roof, facade, floor or vertical facing with these compositions and the use thereof as a coating for roofs, facades, floors or vertical facings.

Abstract: Compositions for coating roofs roof, facades, floors or vertical facings including at least one acrylic polymer and at least one polyurethane polymer and at least one ethylene vinyl acetate emulsion. The compositions combine the advantages of the excellent features of polyurethane compositions with the reduced cost of acrylic compositions in such a manner that a balance between both characteristics is shown. Methods for covering a roof, facade, floor or vertical facing with these compositions and the use thereof as a coating for roofs, facades, floors or vertical facings.