Butyl tape is an essential tool for weatherproofing marine and RV components. This sturdy material creates a long-lasting, weatherproof gasket to fill gaps between your RV's outer hull and the mounting points for vents, windows, and doors.

Butyl tape is an essential tool for weatherproofing marine and RV components. This sturdy material creates a long-lasting, weatherproof gasket to fill gaps between your RV's outer hull and the mounting points for vents, windows, and doors.

Butyl tape is an essential tool for weatherproofing marine and RV components. This sturdy material creates a long-lasting, weatherproof gasket to fill gaps between your RV's outer hull and the mounting points for vents, windows, and doors.

Butyl tape is an essential tool for weatherproofing marine and RV components. This sturdy material creates a long-lasting, weatherproof gasket to fill gaps between your RV's outer hull and the mounting points for vents, windows, and doors.

Butyl tape is an essential tool for weatherproofing marine and RV components. This trimmable tape lets you easily remove excess material after sealing up vents, windows, and doors for a clean, finished edge.

Use this butyl tape beneath the roof vent on top of your trailer. It adheres to roof membranes and surfaces such as aluminum, glass, and galvanized steel. The tape seals gaps and prevents water from leaking in.

Fix a leaky seam in rubberized EPDM roofing material with this thin butyl tape. The double-sided adhesive is used to permanently waterproof seams when joining sheets of EPDM. Can be used with EPDM to create a patch and fix damage to your rubber roof.

Use the tools the pros use for exterior RV repair. With a mylar backing for added structural support, this butyl tape was designed for weatherproofing corners and joints along flat, even surfaces. Works well in some marine and HVAC applications.

Use the tools the pros use for exterior RV repair. With a mylar backing for added structural support, this butyl tape was designed for weatherproofing corners and joints along flat, even surfaces. Works well in some marine and HVAC applications.

Butyl tape is an essential tool for weatherproofing marine and RV components. This sturdy material creates a long-lasting, weatherproof gasket to fill gaps between your RV's outer hull and the mounting points for vents, windows, and doors.

Use the tools the pros use for exterior RV repair. With a mylar backing for added structural support, this butyl tape was designed for weatherproofing corners and joints along flat, even surfaces. Works well in some marine and HVAC applications.

Use this butyl tape beneath the roof vent on top of your trailer. It adheres to roof membranes and surfaces such as aluminum, glass, and galvanized steel. The tape seals gaps and prevents water from leaking in.

Mylar-backed butyl tape weatherproofs corners and joints while providing structural support. Non-drying compound resists water and weather while adhering strongly to non-porous surfaces. Measures 90' long x 1-1/2" wide x 1/32" thick.