JM Single Ply Sealing Mastic
Regular price $7.75The JM Single Ply Sealing Mastic is a specialty membrane accessories for jobs that require Johns Manville model/MPN 70004150 in the TB sell unit. Used to seal JM Single Ply membranes to terminations and other penetrations
Key Specs
- Brand: Johns Manville
- Model / MPN: 70004150
- SKU: JMEPSMT
- Sell unit: TB
- Product type: Specialty Membrane Accessories
- Size / color: 11 oz
- Category: Commercial Roofing | Commercial Roofing/Membrane Accessories | Commercial Roofing/Membrane Accessories/Specialty Membrane Accessories
Key Features
- One-part, butyl polymer-based water cutoff mastic
- Compatible with wood, concrete, metal, plastic, and other substrates for water penetration prevention
- Compatible with all JM Single-Ply systems except Ballasted EPDM
Coverage & How Much You Need
Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into order quantity.
Compatibility / Fitment
Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different specialty membrane accessories, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.
FAQs
What exactly am I ordering?
JM Single Ply Sealing Mastic, sold as TB, with SKU JMEPSMT and manufacturer model/MPN 70004150.
What model or part number should I match?
Match model/MPN 70004150 and confirm the brand is Johns Manville. If the job spec lists a different model, size, color, or system family, hold for review.
What unit is the price based on?
This listing is built around the TB sell unit. Confirm the unit before comparing price, quantity, or coverage.
How do I estimate quantity?
Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.
What should be checked before purchase?
Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.
Roofing and exterior-envelope work can involve fall hazards, weather exposure, fumes, adhesives, and system-specific installation requirements; follow the manufacturer instructions, OSHA-safe work practices, and local code or use a qualified contractor.
Product Expert Notes
Choose this item when Johns Manville model/MPN 70004150, SKU JMEPSMT, and the TB sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.
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