OEM-GRADE RV TAPE. Our White RV window seal installs without gaps and can reliably shut off moisture, chemicals, and vapor, making it perfect for car stereo installation, sealing truck doors, windows, and water shields, and re-attaching fender flares. ZERO-FRUSTRATION. Intuitively designed, our RV Putty Tape is moldable to any shape or size. With JUST THE RIGHT ADHESION, it does not stick unnecessarily to other surfaces while creating a long-lasting seal that holds up under pressure. HIGH THERMAL PERFORMANCE. This RV Butyl Tape white resists melting into a gooey slob even at high temperatures (-30°F to 290°F). It is an ideal butyl sealant tape that does not flow and remains pliable and tacky in any weather. EXTRA THICK. An ideal RV Sealant Tape is thick enough to install without gaps. The XFasten headlight rope tape can stretch up to 3x its original length for extensive coverage and prevents vibration for a WHISPER-QUIET interior. ENHANCED PACKAGING. Many RV window sealant tapes arrive crushed or compressed due to not being well packed. To deliver a ZERO-WASTE white butyl rope tape to you, we ensured that our duct sealant putty is packed in a rigid box in a sturdy 1.5” core.

The XFasten Butyl Caulk Tape is a high-quality tape that can handle your car audio and DIY projects. This versatile butyl caulking tape is designed to shut off moisture and vapor while being extremely stretchable and workable even in extreme temperatures.

Why Choose the XFasten Car Headlight Tape?

Easy to Use: Our Duct Sealant Putty Tape can be easily stretched and formed into any shape or size required, making it a versatile tool for many projects. The White RV sealant tape's pliability and strong adhesion make it easy to work with and provide a good seal at normal temperatures.

Efficient Sealant: This butyl rope tape is an efficient puddy tape sealant and is temperature-resistant, remaining pliable and sticky for the whole expected temperature range, and can reduce vibration and fill gaps, ensuring a leak-free and quiet car interior.

Moldable for Emergency Fixes: XFasten Butyl Hardening Tape is moldable and adaptable to any shape or surface, making it ideal for emergency or temporary fixes.

Versatile Solution: Our Butyl Tape is ideal for car audio and DIY projects. This sealing putty waterproof outdoor can be used for sealing antenna entry holes, decoupling speaker adapter brackets, and resealing aftermarket headlights.

Strong Adhesion for Lasting Results: The tape's strong adhesion ensures a lasting hold, eliminating rattles and preventing air and noise from entering. It makes a good, long-lasting, flexible seal.

Why Choose the XFasten Brand?

XFasten follows strict laboratory and manufacturing standards accredited by ISO, ensuring high-quality materials and reliable performance. Each roll is shipped in a cardboard box to prevent damage during shipping. XFasten Butyl Tape is the ideal choice for car audio hobbyists and enthusiasts, DIY enthusiasts, and car owners with leaky doors. This is also available in our RV Butyl Tape Black and Gray variants.