19 Building materials, namely, grout; building materials, namely, lime; Building materials in the nature of coatings, namely, bitumen-based roofing sealants; Building materials in the nature of coatings, namely, bitumen-based pavement sealants; Building materials in the nature of coatings, namely, bitumen-based wall sealants; Building materials in the nature of coatings, namely, asphalt-based roofing sealants; Building materials in the nature of coatings, namely, asphalt-based pavement sealants; Building materials in the nature of coatings, namely, asphalt-based wall sealants; Building materials in the nature of coatings, namely, tar-based roofing sealants; Building materials in the nature of coatings, namely, tar-based pavement sealants; Building materials in the nature of coatings, namely, tar-based wall sealants; Building materials in the nature of coatings, namely, clay-based roofing sealants; Building materials in the nature of coatings, namely, clay-based pavement sealants; Building materials in the nature of coatings, namely, clay-based wall sealants; Roofing materials, namely, roofing, not of metal; Cement