Johns Manville One-Step Foamable Polyurethane Insulation Adhesive, 1500 mL Two-Component Cartridge

JM One-Step Foamable Adhesive is a two-component, solvent-free polyurethane insulation adhesive supplied as a 1500 mL tan and colorless cartridge. It cold-applies to attach insulation or cover boards to the roof deck or to other insulation boards. One cartridge per sell unit.

Key Features:

• Two-part polyurethane: A two-component polyurethane formulation foams and cures after application without heat or open flame.
• Cold application: Installs as a cold-applied adhesive, avoiding hot asphalt or torch work on the roof.
• Broad compatibility: Bonds polyisocyanurate, HD wood fiber, perlite, Invinsa Roof Board, gypsum, structural concrete, lightweight insulating concrete and treated plywood 5/8 in. minimum thickness.
• Solvent free: The solvent-free formula suits occupied buildings and VOC-sensitive projects.
• Versatile attachment: Attaches insulation or cover boards to the deck or to previously laid insulation boards.

Specifications Table:

Fit and Compatibility:

Designed for use with the insulations and cover boards listed by Johns Manville, including polyiso and Invinsa Roof Board, on compatible decks such as structural concrete and minimum 5/8 in. treated plywood. Use with standard low-rise foam adhesive dispensing equipment for two-part cartridges.

Frequently Asked Questions (FAQ):

Q: What is included with each order?
A: One 1500 mL two-component cartridge with tan and colorless chambers; dispensing equipment is sold separately.

Q: What boards can it attach?
A: It attaches insulation or cover boards such as polyisocyanurate, HD wood fiber, perlite, Invinsa Roof Board and gypsum to the deck or to other insulation boards.

Q: Does it need heat or flame?
A: No, it is a two-part, cold-application polyurethane adhesive that cures without hot asphalt or torches.

Q: Is it suitable for occupied buildings?
A: It is solvent free, which supports use on VOC-sensitive projects; always review the manufacturer’s safety data and current JM specifications before use.

Q: Can it go on plywood decks?
A: Yes, treated plywood of at least 5/8 in. thickness is among the compatible substrates.

Expert Verdict Reviewed by the SuperArbor Pro Desk

Two-part foamable cartridges are a efficient way to adhere polyiso and cover boards on tear-offs or recover projects where hot asphalt is impractical. Dispense beads per JM’s current specification and detail drawings, and verify board type, deck condition and ambient temperature before starting. For very large areas, compare cartridge yield and bead spacing against full-size low-rise foam kits to pick the most economical format.

Follow the SDS and manufacturer instructions: wear gloves and eye protection, provide ventilation, and never point a dispensing gun at people since mixed polyurethane foam expands rapidly.

Order the JM One-Step Foamable Adhesive 1500 mL cartridge for fast, cold-applied insulation attachment on your next roof.