DIY Frequently Asked Questions / Butyl Rubber Sealants')">
Are solvent-based, with a life expectancy of two to 10 years.
Butyl rubber is good for sealing out water in lap joints, such as gutters. It is also a good choice for metals and masonry, as well as outside for chimneys.
Probably the best waterproofing sealant for below-grade applications, such as foundations.
Stringy, difficult to apply and slow curing, they are most efficient when applied to openings between similar surfaces.
Not recommended for openings wider or deeper than 1/4″ or in 90° corners.
These sealants offer low to moderate movement capabilities.
DIY Frequently Asked Questions / Butyl Rubber Sealants')">
Are solvent-based, with a life expectancy of two to 10 years.