Chemical preparations for use in construction; chemical additives for concrete; chemical compositions for fire-resistant flammable substances, including wood; adhesives for use in industry; preservatives for buildings (except paints and oils); preservatives, dust and water repellent coatings [chemical, other than paints] for concrete; fireproofing preparations.

Caulking materials for construction; insulators for construction.

Chemical preparations for use in construction; chemical additives for concrete; chemical compositions for fire-resistant flammable substances, including wood; adhesives for use in industry; preservatives for buildings (except paints and oils); preservatives and dust- and water-repellent impregnating agents for concrete, plaster, stone and masonry (included in this class); fireproofing preparations.

Caulking materials for construction; insulators for construction.