Definition of the term Sealant
Sealant is applied at the base of a channel, after setting the light or panel and before the removable stop is installed, one of its purposes being to prevent leakage past the stop.
Total House Inspection Blog
Sealant is applied at the base of a channel, after setting the light or panel and before the removable stop is installed, one of its purposes being to prevent leakage past the stop.