Silicone rubber and urethane caulks generally give the best overall performance for exterior building envelope applications.
Silicone rubber is known to be a kind of an elastomer that is said to be made up of silicone that has silicon along with carbon, hydrogen, and oxygen.
Note that Silicone is said to be a form of an inorganic substance, while polyurethane is said to be organic in nature.
The use of thus Silicone rubber and urethane is therefore very essential to building construction.
Hence, based on the above, Silicone rubber and urethane caulks generally give the best overall performance for exterior building envelope applications and this is a true statement.
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