300-Pack 1 3/8'' Christmas Tree Vapor Barrier Fasteners - Heavy-Duty White Polyethylene Insulation Pins for Masonry Walls, Crawlspaces & Vapor Barriers

Protect your home from costly vapor damage with OKQX Christmas Tree Vapor Barrier Fasteners! Engineered for professionals and DIYers tackling basement waterproofing or crawlspace encapsulation, these heavy-duty White polyethylene pins deliver unmatched reliability. The 1 3/8'' shaft and 1/4'' diameter ensure a snug fit into masonry walls, while the 1'' push-pin head creates a tight seal to lock vapor barriers in place—no slipping, no gaps.Crafted from durable polyethylene, these fasteners withstand humidity, temperature swings, and pressure, making them ideal for long-term vapor control. Whether you’re securing 6-20 mil liners, insulating foundations, or reinforcing crawlspaces, the ribbed design guarantees maximum grip without damaging barriers.

• Secure Vapor Barrier Installation – Heavy-duty 1 3/8'' length and 1/4'' diameter pins tightly fasten vapor barriers to masonry walls, ensuring airtight seals for basements and crawlspaces
• Durable Polyethylene Construction – Made from industrial-grade White polyethylene, these fasteners durable and cracking for long-lasting performance in harsh environments
• Quick-Install Christmas Tree Design – Won't come loose easily, push-pin heads (1'' diameter) and ribbed shafts allow effortless installation with a hammer or mallet
• Bulk Value Pack – Includes 300 fasteners per box, perfect for large-scale projects like basement waterproofing, crawlspace encapsulation, or commercial-grade insulation
• Optimized for Vapor Control – Ideal for encapsulating foundations, sealing insulation liners, and securing 6-20 mil vapor barriers to preventing vapor