Seal windows, seams, roof fixtures, vents, heaters, and boat or RV gaps without opening a caulk tube.
Peel the liner, press the butyl putty tape into place, and smooth it into the gap or frame.
36 foot roll gives you continuous tape for larger sealing jobs with fewer joints.
1/8 inch thick by 3/4 inch wide tape conforms to irregular gaps, trim, cracks, and frames.
Choose black, gray, or white to better match windows, rubber seals, trim, and surrounding surfaces.
More Details
Available colors: black, gray, and white.
Roll length: 36 ft.
Tape width: 3/4 inch.
Tape thickness: 1/8 inch.
Material: butyl tape.
Rated up to 290 degrees F.
Designed for RV windows, roofs, water heaters, boats, trailers, headlights, vents, fiberglass, metal, wood, and glass.
Bonds to EPDM rubber, fiberglass, aluminum, vinyl, ABS plastic, and wood.
Warm tape before applying in cold weather.
Description
Small gaps around windows, roof seams, vents, heaters, and trim can be frustrating to seal cleanly. This butyl tape presses into place as a putty style sealant tape without mixing, tubes, or a caulk gun.
Each roll is 36 ft long, 3/4 inch wide, and 1/8 inch thick. Use it for compatible boats, RVs, trailers, windows, roofs, vents, fiberglass, metal, wood, and glass.
Our Shipping Rates and Speeds
All orders under $60 ship for $6.99
Orders over $60 ship for FREE
You can expect to receive your items in 3 to 7 days in almost all scenarios
90% of orders arrive in 4 days or less
Try our butyl tape RV and boat window seal sealant risk free for 30 days. If you are not satisfied, get a full refund.
Clean and dry the surface where the tape will be applied, making sure it is free of debris. Remove the butyl tape backing while applying directly to the surface.
Run your hand over the tape and firmly press it onto the surface. Cut the tape to length with a utility knife or scissors. If possible, allow the tape to cure, dry, and acclimate overnight before exposing it to harsh conditions. If that is not possible, allow the tape to set for at least 4 hours. Tape can be painted after it has cured.
Stop Water Intrusion
Creates a watertight seal around windows, vents, and hardware.
Stays Flexible
Non hardening formula moves with vibration and temperature.
Cleaner Than Caulk
Forms a consistent bead without liquid sealant mess.
Bonds To Many Surfaces
Adheres to fiberglass, metal, wood, and glass.
Customer Reviews
Frequently Asked Questions
Yes, it is one of the most common and effective materials for sealing RV windows, doors, and vents to prevent water leaks.
No, premium butyl tape is designed to stay pliable and non-hardening, which allows it to maintain a seal even with vibration and temperature changes.
While it provides a permanent seal, butyl tape does not "bond" like a permanent glue, meaning hardware can be removed with a scraper if necessary. Yes. Because it is a non-hardening rubber, it can be peeled away without damaging the surfaces, though it provides a very strong seal while in use.
Absolutely; it is safe for fiberglass, metal, plastic, and wood, making it a versatile tool for any boat or RV owner.
Black Butyl Tape (); White Butyl Tape: This high-capacity roll provides 36 feet of sealant, giving you extra length for large windows or multiple repair projects. Gray Butyl Tape: This high-performance tape is designed to last for up to 5 years in various weather conditions, providing a long-term leak repair solution.
While it is highly waterproof, it is primarily intended for "bedding" hardware above the waterline where it is compressed between two surfaces. While it is highly waterproof and used for rebedding hardware, for permanent underwater through-hull fittings, we recommend our specialized liquid marine sealant.
No, this butyl tape is engineered to withstand extreme heat up to 290°F without sagging, running, or losing its adhesive properties.
Absolutely. It provides an excellent, instant bond to aluminum, fiberglass, galvanized metal, plastic, and even EDPM surfaces.
