Collection: Insul-Barrier

1 product

Insul-Barrier | Insulation Vapor Barrier

Welcome to the Insul-Barrier category at roofing4us, where we prioritize offering superior insulation and protective solutions tailored to your roofing and crawl space needs. Here, we bring to the forefront an expertly curated range of Insul-Barrier products, widely acclaimed for their peerless quality and functionality in managing moisture and ensuring thermal efficiency.

What is Insul-Barrier?

Insul-Barrier is a cross-woven, reinforced blanket that combines multiple protective layers in one roll: cross-woven polyethylene skins, high-density closed-cell foam, a layer of high-density polyethylene bubble, and a reflective aluminum surface. Together, they deliver consistent thermal and moisture protection in tough crawl-space conditions. 

Crawl Space Vapor Barriers

Insul-Barrier Crawl Space Vapor Barrier - 4 ft x 25 ft

Our offering, such as the 4 ft x 25 ft variant, is adept at managing the moisture levels in the crawl spaces of your home. While crawl spaces are notorious for accumulating moisture and facilitating mold growth, investing in a top-tier vapor barrier like this can effectively mitigate these issues.

Potential Uses and Benefits

Moisture Management: Minimizes the risk of mold, mildew, and structural damage by preventing moisture from seeping into the crawl spaces and interior areas.

  • Energy Efficiency: Aids in maintaining optimal temperature levels, thus contributing to enhanced energy efficiency and potentially reducing energy costs.
  • Pest Deterrent: Sealing off crawl spaces effectively helps deter pests and rodents from infiltrating your living spaces.

Guidelines for Selection

Choosing the right Insul-Barrier product is pivotal in ensuring the longevity and robustness of your home’s protective systems. Here are some general guidelines to aid your selection process:

  • Size Compatibility: Ensure the dimensions of the vapor barrier, like the 4 ft x 25 ft option, are compatible with your crawl space or other application areas.
  • Access and Installation: Consider the ease of installing the barrier in the designated space, and ensure that you have appropriate access for a seamless setup.
  • Moisture Levels: Evaluate the moisture levels in your crawl space to determine the need for a barrier of specific thickness and material quality.
  • Thermal Needs: Understand your thermal insulation needs. Depending on the climate and your specific use case, the requirements may vary.
  • Expert Advice: Leverage the insights and expertise of professionals who can assess your space and recommend the most suitable Insul-Barrier product.
  • Installation: While some homeowners may opt for a DIY installation, securing professional help ensures that the barrier is installed effectively and safely.

Benefits of Insul-Barrier

  • Exceptional Moisture Control – With a Class A water-vapor permeance of just 0.002 perms, it effectively blocks ground moisture to help prevent mold, odours, and structural damage.
  • Thermal Break & Energy Savings – Material R-value of ~R-8.7 (up to ~R-12 with air space in wall systems) helps maintain stable temperatures and reduce heating/cooling costs.
  • Durable Multi-Layer Construction – Cross-woven polyethylene reinforcement with foam and bubble core provides tear resistance and long-term performance.
  • Wide Temperature Range – Performs reliably from -60°F to 180°F, suitable for both hot and cold climates.
  • Lightweight & Easy to Handle – Supplied in roll form for quick installation, even in tight crawl spaces.

Applications of Insul-Barrier

  • Crawl Spaces – Covers ground and walls to block vapor, improve comfort, and protect flooring above.
  • Basements – Adds moisture resistance and thermal performance to unfinished or utility spaces.
  • Renovations & Retrofits – Ideal for upgrading older homes with poor crawl space insulation.
  • Commercial Utility Areas – Protects mechanical rooms and under-floor voids from condensation and heat loss.

Installation Tips

  • Prepare the Area – Remove debris, level the surface, and ensure no standing water is present.
  • Unroll & Position – Lay the Insul-Barrier across the crawl space floor or attach to walls as required.
  • Seal Joints – Overlap seams and seal them with vapor-barrier tape to maintain continuity.
  • Fasten securely – Use mechanical fixings where required, ensuring a tight, secure fit.
  • Follow Manufacturer Guidance – Refer to official instructions for fastening methods and safety requirements.

Why Choose Roofing4US for Insul-Barrier?

  • Expert Advice – Our team can guide you on product selection and installation best practices.
  • Contractor Benefits – Trade pricing, credit accounts, and bulk order support for professionals.
  • Fast, Reliable Delivery – Nationwide shipping with clear lead times.
  • Trusted Brands – We stock genuine Insul-Barrier products backed by manufacturer quality standards.
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