Clear siloxane consolidating and water – proof agent, suitable to protect building and stone manufactured parts against water and moisture penetration, also to save them from acid rains. STRONG 2000 has also a consolidating action on friable and corroded stones, so it avoids calcarization and the stone transformation into a crumbling mass. It is completely invisible and treated surfaces will remain like original, without showing glossy or wet look. Additional Details ------------------------------ Product description: Clear siloxane consolidating and water – proof agent, suitable to protect building and stone manufactured parts against water and moisture penetration, also to save them from acid rains. STRONG 2000 has also a consolidating action on friable and corroded stones, so it avoids calcarization and the stone transformation into a crumbling mass. It is completely invisible and treated surfaces will remain like original, without showing glossy or wet look.