Mil? I believe the butyl tape comes off the roll at 1/8" thick. Do not stretch it as it's applied to a surface as it is meant to be compressed between two surfaces to create a seal.

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RV Roof Tape White, 4 Inch X 50 Feet RV Repair Sealant Tape, Stop Camper Roof Leaks, UV-Resistant, Weatherproof and Durable for Camper, Trailer, Boat

RV Roof Tape White, 4 Inch X 50 Feet RV Repair Sealant Tape, Stop Camper Roof Leaks, UV-Resistant, Weatherproof and Durable for Camper, Trailer, Boat

Q: Will this stick to stucco embossed galvanized steel?

It doesn't stick to powder or wet surfaces but it is super sticky and it hard to remove on non porus services

Q: will it bend around a6 foot round window ?''

There is 50’ of tape, it’s very flexible, not sure how it works “bending” around a window. But it is super flexible. If it sticks together it’s very difficult to peel apart. But I recommend this to seal

Q: Backer is real thin, tears easily and lays down wrinkled, why offer such an inferior product?

I've never had a problem with butyl tape purchased on Amazon. Backer is a throw-away. It's only purpose is to keep the butyl roll from sticking to itself. Wrinkled tape? Not an issue. It rolls out easily and is flattened easily. "Inferior product?" Nope. It's the best product for its intended purpose. Yesterday I took out my three-year old roll of Amazon-sourced butyl tape that lives in the basement of my fifth wheel to seal a new two-piece door latch. It looked, felt, and worked just as well as when it was a brand-new roll out of the package. Definitely not an "inferior product."

Product ID: 459669014

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Details

Brand
CircleRoad
Colour
White
Material
Butyl Rubber
Number of Items
1
Recommended uses for product
Electrical

📏50 feet length for extensive repairs

🛡️UV & weather-resistant butyl rubber

Frequently Bought Together

RV Roof Tape White, 4 Inch X 50 Feet RV Repair Sealant Tape, Stop Camper Roof Leaks, UV-Resistant, Weatherproof and Reliable for Camper, Trailer, Boat (4In-50FT)

Dicor 501LSW-1 HAPS-Free Self-Leveling Lap Sealant for horizontal surfaces - 10.3 Oz, White, Secure, Ideal for RV Roofing, Maintenance, Repair, Appliance Application

Dicor BT-1834-1 Butyl Seal Tape - 1/8" x 3/4" x 30' Repair Tape for RV, Trailer, Motorhome, Window, and Vent Sealing

Description

🛠️ Seal the deal, stop the leaks, and own your adventure!

LONG LASTING SUPPLY - 50 feet length covers multiple repairs, saving time and trips to the store
WEATHERPROOF WARRIOR - Butyl rubber resists rain, snow, wind, and UV damage for year-round protection
BROAD BOLD COVERAGE - 4-inch width ensures fast, seamless sealing on large surfaces
VERSATILE APPLICATION - Perfect for RVs, trailers, boats, metal, wood, vinyl, and more—one tape, endless fixes
DIY CONFIDENCE BOOSTER - Easy self-application keeps your RV leak-free and looking sharp, no pro needed

CircleRoad’s RV Roof Tape is a durable, 4-inch by 50-foot butyl rubber sealant designed to protect your RV, camper, or boat from leaks and weather damage. UV-resistant and weatherproof, it adheres to multiple surfaces including metal, wood, and vinyl, providing a reliable, long-lasting DIY solution for maintaining your vehicle’s integrity and appearance.

Specifications

Manufacturer	CircleRoad
Brand	CircleRoad
Model number	RTP450FT
Package Dimensions	16.1 x 16.1 x 10.39 cm; 1.85 kg
Color	White
Material Type	Butyl Rubber
Number of Items	1
Size	4 inches x 50 feet
Manufacturer Part Number	RTP450FT
Item Weight	1.85 Kilograms

Have a Question? See What Others Asked

Will this stick to stucco embossed galvanized steel?

will it bend around a6 foot round window ?''

What is the mil?

Backer is real thin, tears easily and lays down wrinkled, why offer such an inferior product?

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