GAF Drill-Tec Polymer GypTec Fasteners, 2-1/2 in, Box of 500
SKU: 41423504049

GAF Drill-Tec Polymer GypTec Fasteners, 2-1/2 in, Box of 500

Sale price$121.16 Regular price$134.62
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Description

GAF Drill-Tec Polymer GypTec Fasteners, 2-1/2 in, Box of 500GAF 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

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:

Specification Details
Manufacturer Part Number 456G
Product Number GAFGYPFST25
Length 2-1/2 in
Head Diameter 1 in
Drive Type Internal 1/4 in square (driver bit included)
Material Glass-filled nylon
Thread Type Wide buttress thread
Plate Compatibility 3 in steel plates (insulation); 2 in steel plates (membrane)
Intended Substrates Gypsum and cementitious wood fiber (Insulrock, Permadeck, Tectum, etc.)
Approvals FM Approved; Miami-Dade County Approved
Packaging Box of 500
Unit of Measure CTN
Style Category Nails, Screws & Fasteners

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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
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  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 41423504049

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A
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Amiga95
Fort Morgan, US
★★★★★ 5
Excellent quality with just the right amount and type of connection points I needed!
Extremely good quality. I've used many Anker product over the years and this one didn't disappoint! Needed it to run a laptop on my network in isolation mode and to have accessible connections for ethernet as well as a wireless mouse and extra cooling fan as my laptop has only 1 standard size USB 3.0 port. This is the mini version so It won't necessarily supply enough juice to charge your laptop at the same time (there's another 8 in 1 made by Anker for that) but it can supply enough power to maybe get you through a very trying session, very short term. Super-easy to connect and just works. Fits comfortably in my carry bag too. Very light weight, good heat dissipation although I didn't really have any or at least not much. Compatible with all the connectors you see in the picture. In my case at least, it wasn't a luxury it was a necessity and it proved it's value immediately.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
L
Verified Purchase
Lars Bogard
New York, US
★★★★★ 5
USB ports charge.
Relatively cheap, lightweight, and better than most. It gets warm, but not hot. The Video adapter was immediately recognized by my Macbook and works flawlessly at all resolutions made available (much higher than Windows PCs) I used it both as the recipient of my 65W Mac charger, and the Mac received its power from this device; I also had the 65W Mac charger plugged directly into the Mac, and this plugged into the second USB-C plug on the mac. It works (HDMI monitor) both ways. It says that the ports are not for "charging", however be aware that they do charge when devices are connected, for example my iPhone to the extra USB-C port, or the USB-A port. My Logi back-lighted keyboard lights up too. I don't know why they say it is not for charging. Perhaps it is simply saying there are no ports expressly intended to do charging without connecting to your computer.
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Reviewed in the United States on February 18, 2026
J
Verified Purchase
J. Stewart
Lake Worth, US
★★★★★ 5
High quality and all the right connection types
This works great. I've used it for both my MAC and PC. I really love the Ethernet on the end and the HDMI connections (which modern laptops don't include at times). This is a great adaptor and highly recommend.
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Reviewed in the United States on May 14, 2026
B
Verified Purchase
B. Thompson
West Palm Beach, US
★★★★★ 4
One complaint
Works very well and solved port issues on my X1 Carbon. My only quibble is that the C interface cable from the unit to the PC is a bit too stiff and tends to lose connection if things move about.
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Reviewed in the United States on December 5, 2025
H
Verified Purchase
HauntedBurgerz
Draper, US
★★★★★ 5
Perfect for my use
Works as intended. Solid build quality and works with my Windows laptop through the USB C connection. I wish the product description would clarify that the USB ports do not support video.
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Reviewed in the United States on April 15, 2026

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