GONANO

Chemical treatment for shingle, membrane, wood surfaces and concrete surfaces, namely: chemical preparation for the protection of asphalt roofing shingles, chemical coatings for protecting asphalt roofing shingles, chemical coating for the protection of roofing membranes made of elastomeric materials, chemical sealer for concrete, chemical sealants for sealing wood surfaces, chemical sealants for the sealing of roofing