Protect your crawlspace with the CrawlBarrier Crawlspace Masonry Wall Big Bubble Insulation—designed for homeowners and professionals who want sturdy thermal protection and moisture control under the floor. This large-bubble insulation delivers serious energy efficiency and a dry, healthy crawlspace environment.

Key Features & Design

• Superior Insulation Performance: The CrawlBarrier Big Bubble Insulation features a large bubble design that enhances thermal resistance, ensuring your crawlspace remains at a stable temperature year-round. This helps reduce energy costs and increases overall home comfort.
• Class A/Class 1 Fire Rating: Safety is paramount with CrawlBarrier insulation. With a Class A/Class 1 fire rating, it meets the highest standards for fire safety, providing peace of mind and protection for your home.
• Excellent Moisture Barrier: With a water vapor transmission rate of just.02 perms (ASTM E96), this insulation effectively prevents moisture infiltration, protecting your crawlspace from mold, mildew, and water damage. This ensures a dry and healthy environment beneath your home.
• Durable and Puncture-Resistant: Engineered for durability, the insulation boasts a puncture resistance of 60 lbs/in, making it robust enough to withstand the rigors of installation and long-term use. This ensures longevity and reliable performance over time.
• Low Flame Spread and Smoke Development: The insulation has a flame spread rating of 20 and a smoke development rating of 120, adhering to strict safety standards. This minimizes fire hazards and ensures safer indoor air quality in the event of a fire.
• Specifications: Dimensions: 4ft x 25ft per roll, covering 100 sq/ft. Fire Rating: Class A/Class 1. Water Vapor Transmission:.02 perms (ASTM E96). Flame Spread: 20 (ASTM E84-08). Smoke Development: 120 (ASTM E84-08). Puncture Resistance: 60 lbs/in.

Ready to upgrade your crawlspace? This insulation is designed for masonry walls and delivers dependable performance year after year. Add CrawlBarrier to your cart and enjoy a drier, more energy-efficient home today.