1 3/8'' Foundation Pins & Plastic Insulation Masonry Fasteners - Christmas Tree Auto Fasteners for Crawlspace Poly Liners, White Foam Board (150 Pack)

• Durable Polypropylene Construction Crafted from high-density polypropylene, these black fasteners resist cracking and bending, ensuring long-lasting performance in crawlspace encapsulations, vapor barriers, and foam board installations
• Universal Compatibility Designed for 1 3/8'' thickness, these Christmas Tree Auto Fasteners securely anchor poly liners, plastic insulation boards, and vapor barriers to masonry, wood, or metal surfaces
• Quick Push-In Installation No tools required! The Christmas Tree design with ribbed shafts and tapered tips allows effortless insertion while creating a tight, weatherproof seal for crawlspace covers
• Weather & Corrosion Resistant Ideal for harsh environments, the UV-stabilized black material prevents rust and degradation, even in humid, high-moisture areas like foundations or basements
• 150-Pack Value Set Includes 150 heavy-duty plastic insulation masonry fasteners—perfect for large-scale encapsulation projects, HVAC installations, or securing foam board insulation

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Product Description:

Upgrade your crawlspace encapsulation or insulation projects with professional-grade Foundation Pins and Plastic Insulation Masonry Fasteners! Engineered for durability, these 1 3/8'' Christmas Tree Auto Fasteners feature a robust polypropylene build

to withstand extreme temperatures, moisture, and pressure without cracking. Their tapered design ensures a snug, airtight fit for poly liners, vapor barriers, and white foam boards, preventing air leaks and moisture intrusion.

Whether you’re sealing crawlspaces, reinforcing insulation, or securing HVAC ducting, these fasteners deliver unmatched versatility. The ribbed shaft grips tightly to substrates like concrete, wood, or metal, while the black finish blends discreetly into

industrial settings. Each pack includes 150 fasteners—enough to tackle large jobs efficiently.

Perfect for contractors and DIY enthusiasts, fasteners are trusted for their reliability and ease of use. Say goodbye to rusty nails or loose fittings—opt for a corrosion-proof, tool-free solution that keeps your installations secure for years. Order

now and experience the difference in quality and performance!"