Support material with at least one resin layer arranged on at least one of the sides of the support material characterised in that the at least one resin layer comprises - at least one formaldehyde resin, - at least one polymer selected from a group containing polyacrylates, polyepoxides, polyesters, polyurethanes and long-chain silanols, and - at least one silane-containing compound of general formula R a SiX (4-a), and/or the hydrolysis product thereof, wherein - X is H, OH or a hydrolysable residue selected from the group comprising halogen, alkoxy, carboxy, amino, monoalkylamino or dialkylamino, aryloxy, acyloxy, alkylcarbonyl, - R is a non-hydrolysable organic residue R, selected from the group comprising alkyl, aryl, alkenyl, substituted and unsubstituted alkynyl and cycloalkyl, all of which can be interrupted by -O- or -NH-, and - wherein R can have at least one functional group Q, which is selected from a group containing a hydroxy, ether, amino, monoalkylamino, dialkylamino, anilino, amide, carboxy, mercapto, alkoxy, aldehyde, alkylcarbonyl, epoxide, alkenyl, alkynyl, acrylic, acyloxy, methacrylic, methacryloxy, cyano and isocyano group, and - a is 0, 1, 2, 3, in particular 0, 1 or 2, wherein the support material is in the form of a paper layer, film layer or fabric layer or is a sheet consisting of a wood-based material, plastic, a wood-based material/plastic blend or a composite material, in particular a chipboard, medium-density fibreboard, high-density fibreboard, oriented-strand board or plywood sheet, a cement fibreboard, plasterboard and/or a WPC (wood-plastic composite) sheet. - at least one formaldehyde resin, - at least one polymer selected from a group containing polyacrylates, polyepoxides, polyesters, polyurethanes and long-chain silanols, and - at least one silane-containing compound of general formula R a SiX (4-a), and/or the hydrolysis product thereof, wherein - X is H, OH or a hydrolysable residue selected from the group comprising halogen, alkoxy, carboxy, amino, monoalkylamino or dialkylamino, aryloxy, acyloxy, alkylcarbonyl, - R is a non-hydrolysable organic residue R, selected from the group comprising alkyl, aryl, alkenyl, substituted and unsubstituted alkynyl and cycloalkyl, all of which can be interrupted by -O- or -NH-, and - wherein R can have at least one functional group Q, which is selected from a group containing a hydroxy, ether, amino, monoalkylamino, dialkylamino, anilino, amide, carboxy, mercapto, alkoxy, aldehyde, alkylcarbonyl, epoxide, alkenyl, alkynyl, acrylic, acyloxy, methacrylic, methacryloxy, cyano and isocyano group, and - a is 0, 1, 2, 3, in particular 0, 1 or 2, wherein the support material is in the form of a paper layer, film layer or fabric layer or is a sheet consisting of a wood-based material, plastic, a wood-based material/plastic blend or a composite material, in particular a chipboard, medium-density fibreboard, high-density fibreboard, oriented-strand board or plywood sheet, a cement fibreboard, plasterboard and/or a WPC (wood-plastic composite) sheet. - X is H, OH or a hydrolysable residue selected from the group comprising halogen, alkoxy, carboxy, amino, monoalkylamino or dialkylamino, aryloxy, acyloxy, alkylcarbonyl, - R is a non-hydrolysable organic residue R, selected from the group comprising alkyl, aryl, alkenyl, substituted and unsubstituted alkynyl and cycloalkyl, all of which can be interrupted by -O- or -NH-, and - wherein R can have at least one functional group Q, which is selected from a group containing a hydroxy, ether, amino, monoalkylamino, dialkylamino, anilino, amide, carboxy, mercapto, alkoxy, aldehyde, alkylcarbonyl, epoxide, alkenyl, alkynyl, acrylic, acyloxy, methacrylic, methacryloxy, cyano and isocyano group, and - a is 0, 1, 2, 3, in particular 0, 1 or 2,