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Johns Manville 1.25 in #14 All Purpose Roofing Fasteners, Grey, 1,000-Count Carton
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Johns Manville 1.25 in #14 All Purpose Roofing Fasteners, Grey, 1,000-Count Carton
These Johns Manville All Purpose Fasteners are 1.25 in. long, #14 gauge Phillips-head screws for mechanically attaching commercial roofing insulation and components. The grey, steel fasteners are sold as one carton of 1,000 pieces and pair with Johns Manville roofing insulation, cover boards and membrane systems.
Key Features:
- All purpose design: Designed for general-purpose mechanical attachment in Johns Manville commercial roofing assemblies.
- Phillips drive: Phillips head drives cleanly with standard screw-driving bits.
- #14 shank: Heavy #14 screw size provides strong holding power in roofing decks and boards.
- FM Approved: FM Approved for use in approved roofing assemblies.
- Miami-Dade Approved: Miami-Dade County Approved for high-wind region roofing work.
- Bulk carton: Ships as a 1,000-piece carton sized 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 | 1.25 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 | 12 lb per carton |
Coverage & How Much You Need:
Fastener coverage depends on the attachment pattern specified for your insulation thickness, deck type and wind zone; one 1,000-piece carton supports a substantial section of a mechanically fastened roof. Follow the fastener spacing on the project spec or the JM assembly drawing.
Fit and Compatibility:
Use with Johns Manville commercial roofing insulation, cover boards and membranes as part of a JM mechanically attached assembly. Match fastener length to total insulation plus membrane thickness; longer and shorter lengths in the same #14 series are sold separately. Pair with JM retention plates where the assembly calls for them.
Frequently Asked Questions (FAQ):
Q: What is included in the carton?
A: One carton contains 1,000 grey steel 1.25 in. #14 Phillips-head All Purpose Fasteners.
Q: How do I choose the right fastener length?
A: Select a length that penetrates the insulation stack and reaches the required embedment in the deck; 1.25 in. suits thin single-layer applications, while longer sizes are available for thicker assemblies.
Q: Are these fasteners approved for high-wind areas?
A: Yes, the listing shows FM Approved and Miami-Dade County Approved status; always confirm the specific assembly is also approved.
Q: What material are they made of?
A: They are steel fasteners with a grey finish.
Q: What driver do they require?
A: A standard Phillips-head screwdriver bit drives these screws.
Q: Do they come with plates?
A: No, these are screws only; JM fastening plates are sold separately.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
All Purpose Fasteners are JM's general-duty attachment screws for insulation and cover board over steel, wood and other approved decks. Choose the length from the total assembly thickness so the fastener achieves the embedment called out in the JM assembly drawing, and keep spacing per the project's wind design. For membrane attachment, pair these screws with the matching JM plates; for very thick stacks step up to the longer lengths in this series.
Fastener points are sharp and installation involves powered screw guns on roofs; wear cut-resistant gloves and eye protection, and follow the manufacturer's installation instructions and local code.
Order the Johns Manville 1.25 in. #14 All Purpose Fasteners 1,000-count carton for your next mechanically attached roof.
Product Documents:
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