Skip to content
Johns Manville PMMA Metal Primer Base, 1 gal, Black Epoxy Primer
Regular price $204.00Orders start at $399 — combine any items to reach the minimum. Learn more
Johns Manville PMMA Metal Primer Base, 1 gal, Black Epoxy Primer
Johns Manville PMMA Metal Primer Base is a 100% solids, low-odor epoxy primer used to prime metal and other substrates before applying a JM PMMA liquid-applied roofing system. Each sell unit is one 1-gallon container in black. It promotes adhesion on metal substrates including drain bowls and edge metal, and is paired with JM PMMA Metal Primer Activator.
Key Features:
- Strong metal adhesion: Promotes adhesion for various metal substrates, including drain bowls and edge metal.
- 100% solids epoxy: Formulated as a 100% solids, low-odor epoxy primer.
- System matched: Designed specifically as the base primer for JM PMMA system applications.
- Low odor formula: Low- odor chemistry helps suit occupied-building applications.
- Black base color: Supplied in black to indicate proper coverage during application.
- One gallon unit: Sold as a single 1-gallon container.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Johns Manville |
| Sell unit | 1 gallon pail |
| Product line | JM PMMA |
| Material | 100% solids, low-odor epoxy |
| Color / finish | Black |
| Dimensions | 1 gal |
| Intended use | Primer for metal and other substrates prior to application of a JM PMMA system |
| Substrates | Metal substrates including drain bowls and edge metal |
| Components | Requires JM PMMA Metal Primer Activator |
Fit and Compatibility:
This primer is part of the Johns Manville PMMA system and is intended for use beneath JM PMMA liquid-applied membrane applications. It must be combined with JM PMMA Metal Primer Activator, sold separately, and applied to JM-approved substrates.
Frequently Asked Questions (FAQ):
Q: What is included in one order?
A: One 1-gallon container of JM PMMA Metal Primer Base in black. The activator is a separate component.
Q: Does this primer work on metal surfaces?
A: Yes, it is designed to promote adhesion on various metal substrates, including drain bowls and edge metal.
Q: Do I need the activator?
A: Yes, the PMMA Metal Primer is a base and activator system; the activator is purchased separately and combined for use.
Q: Does it have a strong odor?
A: No, it is described by the manufacturer as a 100% solids, low-odor epoxy.
Q: When is it used in the roof system?
A: It is applied to prime metal and other substrates prior to the application of the JM PMMA system.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
For PMMA liquid-applied installations, priming edge metal and drain bowls is the step that most often determines whether the membrane bonds or peels at terminations. Apply the base/activator mix within its working window and let it cure fully before flooding the PMMA resin. Stir the epoxy base thoroughly so the solids are uniformly distributed before mixing in the activator.
Wear chemical-resistant gloves, eye protection and adequate ventilation when handling epoxy primers, and follow the manufacturer's mixing and application instructions.
Order Johns Manville PMMA Metal Primer Base today to get a reliable bond on metal substrates in your next PMMA application.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.
