Aqueous paint composition comprising: 1) 0.01 to 5 wt.-% of a copolymer comprising from 50 mol-% to 98 mol-% of repeating anionic structural units comprising at least one carboxylate group, and 2 mol-% to 50 mol-% repeating units according to formula wherein R 11, R 12, R 13, are independently selected from the group consisting of H, methyl, ethyl, R 2 and R 3 are independently selected from the group consisting of H, methyl, ethyl or phenyl, R 4 is selected from H or an alkyl group with 1 to 4 carbon atoms, X is selected from O, CH 2 O or CH 2 CH 2 O, Y is selected from an alkylene group with 1 to 28 carbon atoms or a phenylene group, m is an integer from 1 to 500, n is an integer from 0 to 500; and m + n ≥ 5, 2) 3.5 to 15.0 wt.-% of water glass, 3) 1.0 to 10 wt.-% of an organic polymeric binder that cements the pigment particles into a uniform paint film and makes the paint adhere to the surface, 4) 0.1 to 2.0 wt.-% of a stabilizer according to formula wherein R 5 and R 6 are independently selected from alkyl groups containing 1 - 8 carbon atoms, R 7 is selected from a group consisting of H or an alkyl group containing 1 to 18 carbon atoms, M 1 and M 2 are independently selected from alkenyl groups containing 1 to 5 carbon atoms X 1 is selected from the group consisting of a covalent bond, methylene, O or N + (R 5 R 6), Y 1 is selected from group consisting of a covalent bond or an amide group -NHC -, D - is an anion, 5) 10 to 70 wt.-% of pigments and/or fillers, 6) 20 to 85 wt.-% of water. 1) 0.01 to 5 wt.-% of a copolymer comprising from 50 mol-% to 98 mol-% of repeating anionic structural units comprising at least one carboxylate group, and 2 mol-% to 50 mol-% repeating units according to formula wherein R 11, R 12, R 13, are independently selected from the group consisting of H, methyl, ethyl, R 2 and R 3 are independently selected from the group consisting of H, methyl, ethyl or phenyl, R 4 is selected from H or an alkyl group with 1 to 4 carbon atoms, X is selected from O, CH 2 O or CH 2 CH 2 O, Y is selected from an alkylene group with 1 to 28 carbon atoms or a phenylene group, m is an integer from 1 to 500, n is an integer from 0 to 500; and m + n ≥ 5, from 50 mol-% to 98 mol-% of repeating anionic structural units comprising at least one carboxylate group, and 2 mol-% to 50 mol-% repeating units according to formula wherein R 11, R 12, R 13, are independently selected from the group consisting of H, methyl, ethyl, R 2 and R 3 are independently selected from the group consisting of H, methyl, ethyl or phenyl, R 4 is selected from H or an alkyl group with 1 to 4 carbon atoms, X is selected from O, CH 2 O or CH 2 CH 2 O, Y is selected from an alkylene group with 1 to 28 carbon atoms or a phenylene group, m is an integer from 1 to 500, n is an integer from 0 to 500; and m + n ≥ 5, R 11, R 12, R 13, are independently selected from the group consisting of H, methyl, ethyl, R 2 and R 3 are independently selected from the group consisting of H, methyl, ethyl or phenyl, R 4 is selected from H or an alkyl group with 1 to 4 carbon atoms, X is selected from O, CH 2 O or CH 2 CH 2 O, Y is selected from an alkylene group with 1 to 28 carbon atoms or a phenylene group, m is an integer from 1 to 500, n is an integer from 0 to 500; and m + n ≥ 5, 2) 3.5 to 15.0 wt.-% of water glass, 3) 1.0 to 10 wt.-% of an organic polymeric binder that cements the pigment particles into a uniform paint film and makes the paint adhere to the surface, 4) 0.1 to 2.0 wt.-% of a stabilizer according to formula wherein R 5 and R 6 are independently selected from alkyl groups containing 1 - 8 carbon atoms, R 7 is selected from a group consisting of H or an alkyl group containing 1 to 18 carbon atoms, M 1 and M 2 are independently selected from alkenyl groups containing 1 to 5 carbon atoms X 1 is selected from the group consisting of a covalent bond, methylene, O or N + (R 5 R 6), Y 1 is selected from group consisting of a covalent bond or an amide group -NHC -, D - is an anion, R 5 and R 6 are independently selected from alkyl groups containing 1 - 8 carbon atoms, R 7 is selected from a group consisting of H or an alkyl group containing 1 to 18 carbon atoms, M 1 and M 2 are independently selected from alkenyl groups containing 1 to 5 carbon atoms X 1 is selected from the group consisting of a covalent bond, methylene, O or N + (R 5 R 6), Y 1 is selected from group consisting of a covalent bond or an amide group -NHC -, D - is an anion, 5) 10 to 70 wt.-% of pigments and/or fillers, 6) 20 to 85 wt.-% of water.