
Carlisle SynTec HP-X 20 in. Roofing Fasteners, #3 Phillips Truss Head, Carton of 250
Regular price $1,883.27Carlisle SynTec HP-X 20 in. Roofing Fasteners, #3 Phillips Truss Head, Carton of 250
This is a carton of 250 Carlisle SynTec HP-X 20 in. high-performance roofing fasteners with #3 Phillips truss head and CR-10 coating, made to secure Carlisle single-ply membrane and insulation. The fastener is black in finish. Use it with approved Carlisle plates on steel or wood decks.
Key Features:
- High pull-out: Oversized heavy shank and #15 thread diameter provide enhanced pull-out resistance.
- Back-out resistance: Miniature drill point penetrates decks quickly and contributes to exceptional back-out resistance.
- Buttress threads: Deep buttress threads further increase pull-out and back-out resistance.
- Corrosion resistant: CR-10 coating delivers excellent corrosion resistance, surpassing the FM 4470 corrosion test.
- No pre-drilling: No pre-drilling is needed on wood and steel decks; install with a standard clutch-drive electric screw gun (0-2,500 rpm).
- Deck versatile: Works on 20-gauge or 22-gauge steel decks and minimum 15/32 in. CDX plywood wood decks.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Carlisle SynTec |
| Manufacturer model | 322735 |
| Sell unit | 1 carton of 250 fasteners |
| Product line | Carlisle HP-X Fastener |
| Material | Carbon steel with CR-10 coating |
| Color / finish | Black |
| Length | 20 in. |
| Head | #3 Phillips truss head, 0.435 in. (11.04 mm) diameter |
| Thread | 0.265 in. (6.73 mm) diameter, 4 in. (102 mm) thread length |
| Shank | 0.202 in. (5.13 mm) diameter |
| Pack quantity | 250 fasteners per carton |
| Approvals | FM Approved |
| Coating | CR-10 |
| Intended use | Securing Carlisle single-ply membrane and insulation to steel or wood roof decks |
| Product weight, complete sell unit | 45 lb |
Coverage & How Much You Need:
Fastener density depends on the Carlisle specification and wind-uplift zone; follow the project's Carlisle specification to determine fasteners per board. Each carton provides 250 fasteners.
Fit and Compatibility:
Designed for Carlisle single-ply membrane and insulation systems when used through approved Carlisle plates. Install with a standard clutch-drive electric screw gun (0-2,500 rpm); plates, membranes and insulation are sold separately. Best performance is achieved perpendicular to the deck and into the top flutes of steel decks.
Frequently Asked Questions (FAQ):
Q: How many fasteners come in a carton?
A: This carton contains 250 of the 20 in. HP-X fasteners.
Q: Do I need to pre-drill?
A: No, the miniature drill point penetrates wood and steel decks without pre-drilling.
Q: What decks can it fasten into?
A: 20-gauge or 22-gauge steel decks, or wood decks of minimum 15/32 in. CDX plywood; run a fastener pull test to confirm deck conditions.
Q: What driver does it take?
A: A #3 Phillips bit on a standard clutch-drive electric screw gun set between 0 and 2,500 rpm.
Q: Are plates included?
A: No, install each fastener through an approved Carlisle plate, ordered separately.
Q: How corrosion resistant is it?
A: The CR-10 coating surpasses the FM 4470 corrosion test.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Pick the 20 in. HP-X length when attaching through thick insulation or cover board stacks into steel or wood decks, always verifying the fastener engages the deck by the required embedment. Run a pull test on unfamiliar or moisture-affected decks before committing fastener patterns, and drive perpendicular to the deck into top flutes without overdriving. Pair with matching Carlisle plates to complete the membrane and insulation attachment per the project specification.
Wear eye protection during drilling and installation and take care not to overdrive the fastener.
Stock up on Carlisle SynTec 20 in. HP-X roofing fasteners, 250 per carton, for your next single-ply job.
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