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Johns Manville 2 in #14 All Purpose Roofing Fasteners, Grey, 1,000-Count Carton
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Johns Manville 2 in #14 All Purpose Roofing Fasteners, Grey, 1,000-Count Carton
These Johns Manville All Purpose Fasteners are 2 in. long #14 Phillips-head screws for mechanically attaching commercial roofing insulation and components. The grey steel screws come in a 1,000-piece carton and pair with JM insulation, cover boards and membranes in mechanically attached assemblies.
Key Features:
- All purpose design: General-purpose screw for mechanical attachment across JM commercial roofing systems.
- Phillips drive: Phillips head works with standard roofing screw-gun bits.
- #14 shank: Heavy #14 screw size delivers strong pull-out resistance.
- FM Approved: FM Approved for approved roofing assemblies.
- Miami-Dade Approved: Miami-Dade County Approved for demanding wind-zone projects.
- Bulk carton: 1,000 pieces per carton for commercial job quantities.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Johns Manville |
| Sell unit | 1 carton of 1,000 fasteners |
| Product line | Johns Manville All Purpose Fasteners |
| Material | Steel |
| Color | Grey |
| Length | 2 in. |
| Fastener size | #14 |
| Drive type | Phillips |
| Pack quantity | 1000 pieces per carton |
| Approvals | FM Approved; Miami-Dade County Approved |
| Intended use | Mechanical attachment of commercial roofing insulation and components |
| Weight | 18 lb per carton |
Coverage & How Much You Need:
Coverage is set by the fastening pattern in your project specification; a 1,000-piece carton covers a large area of a typical mechanically fastened insulation field. Follow the spacing shown on the JM assembly drawing for your deck and wind zone.
Fit and Compatibility:
Use with Johns Manville commercial roofing insulation, cover boards and membranes in mechanically attached systems. Match length to total assembly thickness; other lengths in the #14 All Purpose series are sold separately. Combine with JM plates where the assembly specifies them.
Frequently Asked Questions (FAQ):
Q: What is included?
A: One carton with 1,000 grey steel 2 in. #14 Phillips-head All Purpose Fasteners.
Q: Is 2 in. the right length for my job?
A: Choose the length from total insulation plus membrane thickness and required deck embedment; 2 in. handles typical single- or double-layer insulation stacks.
Q: Are they approved for high-wind areas?
A: Yes, they are listed as FM Approved and Miami-Dade County Approved; the specific assembly must also be approved.
Q: What material are they?
A: Steel with a grey finish.
Q: What bit do they take?
A: A standard Phillips-head bit.
Q: Are plates included?
A: No, screws only; JM fastening plates are sold separately.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
The 2 in. length is a common choice for single layers of polyiso or a cover board over steel decks. Verify embedment into the deck per the JM assembly drawing and keep fastener spacing consistent with the wind uplift design. Use longer lengths in this series when stacking multiple insulation layers, and always drive fasteners flush without overtorquing.
Fastener points are sharp and screw-gun installation on roofs carries injury risk; wear gloves and eye protection and follow the manufacturer's instructions and local code.
Get the Johns Manville 2 in. #14 All Purpose Fasteners 1,000-count carton for your mechanically attached roofing project.
Product Documents:
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