Sealants are used for waterproofing joints between two different building materials. These products have both sealing and adhesive properties. Depending on the degree of their elasticity, they can avert the building up of strain at the joints and prevent buckling of the building materials. They are pasty, but after exposure to air they gradually turn into an elastic mass. They are divided into many different categories depending on composition and application.
For the right choice of sealant, the following information is required: