GAF Drill-Tec

GAF Drill-Tec #14 Heavy Duty Roofing Fastener, 6 in., 1,000/Box

Regular price $420.02

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#14 Heavy Duty Roofing Fastener (6 in.)

Drill-Tec™ #14 heavy-duty roofing fasteners are self-drilling screws designed to secure roof insulation to heavy steel decks, wood decks, and structural concrete. The 6-inch length provides added reach for commercial roofing assemblies, packed 1,000 per box for jobsite efficiency.


Key Features:

  • Heavy-Duty Hold: Designed with a heavier shank and thread diameters to help secure insulation in demanding roofing applications.
  • Multi-Substrate Use: Intended for attaching insulation to heavy steel decks (18–20 ga.), wood decks, and structural concrete.
  • Self-Drilling Design: Built for faster installation without pre-drilling in typical commercial roofing assemblies.
  • Jobsite-Ready Pack: Supplied as a 1,000-count box to support larger projects with fewer interruptions.

Specifications Table:

Specification Details
Product name Drill-Tec #14 HD RF Fast 6" 1M
Description Drill-Tec #14 Heavy Duty Roofing Fastener 6" 1,000
Size/Length 6 in.
Fastener size #14
Category Fasteners & Hardware
Sub-category Self-Drilling Screws
Unit of measure Box (BX)
Pack quantity 1,000 per box
Intended use Secure insulation to heavy steel decks (18 ga.–20 ga.), wood decks, and structural concrete

Frequently Asked Questions (FAQ):

Q: What is this fastener used for?
A: It is designed to secure roofing insulation to heavy steel decks (18–20 ga.), wood decks, and structural concrete.


Q: What length and size is included in this listing?
A: This product is a #14 heavy-duty roofing fastener in a 6-inch length.


Q: How many fasteners come in a box?
A: This listing is packaged as 1,000 fasteners per box.


Q: Is it self-drilling?
A: Yes—this product is categorized as a self-drilling screw/fastener.


The Hidden Hero Behind a Flawless Roofline

Luxury is often built on what you don’t see—and this is the quiet workhorse that keeps a high-performance roof assembly beautifully intact. The elongated 6-inch profile and assertive thread design are all about confidence: gripping, anchoring, and holding insulation exactly where it belongs. Pair it with a carefully specified commercial roofing build-up to support clean lines, long-term comfort, and a finish that feels effortless. It’s the kind of behind-the-scenes essential that makes elevated living possible.


Choose Drill-Tec™ #14 6-inch fasteners in a 1,000-count box to speed installation and secure insulation across demanding roof deck types.

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Subject to Approval & Availability
All orders are reviewed before fulfillment. You are not charged until your order is approved and ready to ship — and you may cancel at any time before that at no cost.

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