The HST-150 is a two-component joint sealant made by DSG Canusa. It is impact resistant, UV-resistant, and permanently flexible. It has excellent adhesion to many substrates and can withstand temperatures ranging from -60°F to 180°F. It is a fast-drying, low-odor sealant that is suitable for indoors and outdoors due to its water-resistant properties. The HST-150 is able to withstand various weather conditions and prevent water infiltration. It is commonly used for sealing joints in roofs, window frames, door frames, and precast panels.