Description
CrawlSpace-DIY 1.5” x 100’ Butyl Sealant Tape
Waterproof Butyl Rubber Repair Tape for Vapor Barriers, Windows, RVs, Boats & Roofs
Create durable, waterproof seals with the CrawlSpace-DIY 1.5” x 100’ Butyl Sealant Tape. Engineered for demanding environments, this high-performance butyl rubber tape delivers strong adhesion and long-lasting moisture protection across a wide range of applications—from crawl space vapor barriers to exterior repairs.
Designed for both DIYers and professionals, this tape forms an instant watertight bond that helps stop leaks, seal seams, and protect surfaces from water intrusion.
Heavy-Duty Waterproof Sealing
Made from premium butyl rubber, this tape remains flexible and tacky to create a tight seal on irregular surfaces. It resists water, air, and moisture penetration, making it ideal for permanent or semi-permanent sealing applications.
Ideal for Crawl Spaces & Beyond
This versatile sealant tape is commonly used for:
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Crawl space vapor barrier seams and penetrations
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Basement moisture sealing
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Window and door flashing repairs
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RV and camper sealing
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Boat and marine applications
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Roof patching and waterproof repairs
Easy Application, Reliable Results
Simply cut to length, apply to a clean surface, and press firmly into place. The flexible construction conforms easily to corners, curves, and uneven surfaces for a dependable seal without special tools.
Key Features & Benefits
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1.5” wide x 100’ long roll for extended coverage
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Butyl rubber construction for strong, lasting adhesion
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Waterproof and weather-resistant performance
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Flexible and conformable for uneven surfaces
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Multi-purpose use indoors and outdoors
Whether you’re sealing a crawl space encapsulation system or patching leaks on an RV or roof, CrawlSpace-DIY Butyl Sealant Tape provides dependable protection where water intrusion is a concern.
