Underlayment Protection | Felt550® — CSR

Felt550® Protect Your Vapor Barrier

Protect your crawl space vapor barrier with Felt550® underlayment protection. Designed to safeguard your crawl space vapor barrier liner from punctures, sharp objects, and aids in soil gases mitigation.

Key Features

• Superior Puncture Resistance – Made from virgin polypropylene, Felt550® is lightweight yet highly durable, preventing damage from rocks, debris, and sharp surfaces.
• Mold & Mildew Resistant – Free from organic materials, this protective layer naturally resists moisture, mold, and mildew growth.
• Enhances Soil Gas Mitigation – Creates an air gap under the vapor barrier, improving the efficiency of Radon gas mitigation and reducing soil gas odors.
• Water & Earth Contact Approved – Engineered to withstand constant ground and moisture exposure, making this underlayment protection ideal for long term crawl space use.

Product Specifications

• Size: 50" x 120' (500 sq. ft.)
• Material: Virgin Polypropylene – Heavy-duty, lightweight, and tear-resistant
• Ideal For: Crawl spaces, vapor barrier protection, and soil gas mitigation