Butyl Rubber Caulk is a high performance product that is ideal for sealing exterior gutters, corrugated roofing, pipes, aluminum and vinyl siding, lap joints, flashing, roof vents and drain spouts. Provides an insulated, watertight seal for areas exposed to the elements.
- Exterior use
- Minimal shrinking
- Provides an insulating, watertight seal
- Remains flexible in temperature extremes
Meets performance requirements of Federal Specification TT-S-001657 and ASTM Specification C-1085.