GAF Polymer GypTec Roofing Fasteners, 2-1/2 in

Glass-filled nylon auger fasteners engineered to secure insulation and single-ply membrane to gypsum and cementitious wood fiber decks. A 1/4 in internal square drive and wide buttress thread deliver fast installation and strong pull-out resistance; designed to thread into the substrate without penetrating the deck.

Key Features:

• Purpose-Built for Gypsum/CWF: Secures insulation and single-ply membrane to gypsum and cementitious wood fiber decks
• Fast, Easy Installation: Internal 1/4 in square drive (driver bit included) speeds application
• High Holding Power: Wide buttress thread design enhances pull-out resistance
• Plate Compatibility: Use with 3 in steel plates (insulation) and 2 in steel plates (membrane)
• Durable Construction: Glass-filled nylon with 1 in head; tabs lock plate to fastener head

Specifications Table:

Frequently Asked Questions (FAQ):

Q: What materials can these fasteners be used with?
A: They are designed for gypsum and cementitious wood fiber decks (e.g., Insulrock, Permadeck, Tectum) for securing insulation and single-ply membranes.

Q: Do the fasteners penetrate the deck?
A: No. They are designed to thread into the substrate without penetrating the deck.

Q: What driver is required?
A: An internal 1/4 in square drive is used, and a driver bit is included.

Q: Which plates are compatible?
A: Use 3 in steel plates for insulation attachment and 2 in steel plates for membrane attachment.

Q: Are there approvals or ratings?
A: Yes, they are FM Approved and Miami-Dade County Approved.

Sleek Precision for High-Performance Roof Assemblies

This fastener brings an elegant efficiency to commercial roofing—purposeful, minimal, and engineered to perform. I love the bold buttress thread that feels sculptural while delivering uncompromising hold. Pair it with clean steel plates for a crisp, orderly fastening pattern that reads as considered craftsmanship. It’s a quiet essential that elevates the integrity and luxury of a well-detailed roof system.

Choose GAF Polymer GypTec Fasteners today for faster installs and reliable hold on gypsum and cementitious wood fiber decks.