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Single Ply Commercial Roofing
Bituminous Commercial Roofing
Adhesives, Cements, and Primers
Johns Manville offers an array of adhesives, cements, primers, cleaners and coatings to complete your roofing system.
Adhesives, Cements, and Primers
Asphalt Primer


Meets the requirements of ASTM D 41, Type II
Use: Used to prepare substrates prior to the application of hot asphalt or cold adhesives in BUR, SBS and APP modified bitumen roofing systems. Do not use Asphalt Primer as a finish coat on roofs.
Type: One-part, specification grade, penetrating priming solution.
Substrates: Compatible with concrete; gypsum; masonry; block; brick; and metal surfaces.
Color: Black Features: Low VOC and sprayable.

Bestile Utility Cement


Use: To adhere both vertical and horizontal roof flashing surfaces. Useful for repairing leaks in metal, shingles, concrete, flashings, gutters, around chimneys, flues, soil pipes, drains, eaves, cornices and roof perimeters.
Type: One-part, low VOC, asphalt-based trowel-grade mastic.
Features: Maintains bond during varying temperatures and weather conditions, and bonds to dissimilar materials. Excellent Durability. Remains Flexible Over Time.
Color: Black
DynaSet 1K


Use: For adhering SBS membranes to approved substrates.
Type: One-part, solvent free, moisture curing, elastomeric adhesive.
Color: Black/Brown
Features: A solvent and odor free, single component adhesive with no mixing required. Low VOC content suitable for use in VOC regulated markets. Cures with ambient moisture to an elastomeric solid that remains flexible to absorb dynamic stresses.

JM All Season Sprayable Bonding Adhesive, Accessories, and Flush


Canister
Use: JM All Season Sprayable Bonding Adhesive is an aerosol bonding adhesive that can be used for TPO and EPDM adhered roofing systems and wall flashings. The JM All Season adhesive complies to Low VOC requirements and is a contact adhesive requiring two-sided application.
Type: Two-sided sprayable aerosol adhesive for both warm and cold weather applications with fast drying properties in a pressurized canister.
Substrates: Compatible with the following field and wall applications/boards/substrates: Polyisocyanurate; Invinsa Roof Board; ProtectoR HD board; gypsum; concrete; treated plywood, cement board.
Color: Light Green
Accessories: The JM All Season Sprayable Bonding Adhesive Accessories are for use with the JM All Season Sprayable Bonding Adhesive in approved EPDM and TPO roofing systems. These accessories include the hoses, applicator, extended applicators, and nozzles necessary to use with the partner adhesive.
Flush
Use: To clean the JM All Season Sprayable Bonding Adhesive accessories including hoses, applicators, extender, and nozzles for temporary or long-term storage. Also to clean and remove over spray of the JM All Season Sprayable Bonding adhesive from membrane seams or necessary areas.
Type: A low-VOC aerosol sprayable cleaner

JM EPDM Tape Primer Plus


Use: To prime JM EPDM membrane surfaces for adhering JM EPDM Tape and Peel and Stick products.
Type: One-part, solvent-based membrane primer.
Color: Translucent Electric Blue
Features: Tack-Back functionality for detail work in vertical applications and seam work in horizontal applications.

Brochures
JM EPDM Tape Primer Plus (Low VOC)


Use: To prime JM EPDM membrane surfaces for adhering JM EPDM Tape and Peel and Stick products.
Type: One-part, solvent-based membrane primer.
Color: Grey

Brochures
JM EPDM Water Based Membrane Adhesive


Use: For adhering JM EPDM membrane to approved roofing substrates. Limited availability from October 1st to April 15th.
See Bulletin T22-002, dated September 19, 2022 for additional information.
Type: One-part, water-based membrane adhesive, one or two-sided application.
Substrates: Compatible with approved insulations and cover boards; wood or concrete substrates.
Color: White

JM EPDM/PVC Pourable Sealer


Use: JM EPDM/PVC Pourable Sealer is used as a penetration pocket filler.
Type: Two-part polyurethane sealant.
Colors: Part A: Black / Part B: Amber

JM LVOC Membrane Adhesive - TPO and EPDM


Use: For adhering JM TPO and JM EPDM membranes to approved substrates. Do not use on fleece-backed membranes at any time.
Type: One-part, low VOC synthetic polymer-based membrane adhesive.
Substrates: Compatible with approved insulations and cover boards, wood substrates, concrete, and light-weight concrete decks.
Color: Yellow

Installation Guides
JM Membrane Bonding Adhesive - TPO and EPDM


Use: For adhering JM TPO and EPDM membranes to approved substrates. Do not use on fleece-backed membranes.
Type: One-part, synthetic polymer-based membrane adhesive, two-sided application.
Substrates: Compatible with insulation boards; metal, wood and other decking materials.
Color: Yellow

Installation Guides
Considerations
JM One-Step Foamable Adhesive


Use: JM One-Step Foamable Adhesive is a two-component polyurethane adhesive used for attaching insulation or cover boards to the roof deck or to other insulation boards.
Type: Two-part, cold application insulation adhesive.
Substrates: Compatible with the following insulations, cover boards, and substrates1 : polyisocyanurate; HD wood fiber; perlite; Invinsa® Roof Board; gypsum; concrete2
(Lightweight structural, poured-in-place structural, precast, and insulating); treated plywood (5/8" [1.58 cm] min. thickness); cementitious wood fiber plank; base sheets; gypsum; and some existing smooth-surfaced asphalt (per inspection).
1. Ensure that all insulation boards are 4' x 4' or smaller.
2. Drying time of 28 days required
Color: Part 1 - Tan, Part 2 - Colorless
Features: Solvent free. Set boards immediately into adhesive; reduces installation time and maximizes adhesive footprint. No hoses or pumps required. Always on ratio, eliminates guesswork.

JM PVC All Season Sprayable Bonding Adhesive, Accessories, and Flush


Use: JM PVC All Season Sprayable Bonding Adhesive is an aerosol bonding adhesive that can be used for PVC adhered roofing systems and wall flashings. The JM PVC All Season adhesive complies to Low VOC requirements and is a contact adhesive requiring two-sided application. It can be used with both JM PVC and JM PVC SD Plus membranes.
Type: Two-sided sprayable aerosol adhesive for both warm and cold weather applications with fast drying properties in a pressurized canister.
Substrates: Compatible with the following field and wall applications/boards/substrates: Polyisocyanurate; Invinsa Roof Board; ProtectoR HD board; gypsum; concrete; treated plywood, cement board.
Color: Light blue

JM PVC Edge Sealant


Use: To seal edges of JM PVC membrane seams after the membrane has been welded to itself or to JM PVC-Coated Metal.
Type: One-part, membrane edge sealing agent.
Color: Clear

JM PVC Membrane Adhesive - Low VOC


Use: For adhering JM PVC membranes to approved substrates. Do not use on fleece-backed membranes.
Type: One-part, synthetic polymer-based membrane adhesive.
Substrates: Compatible with approved insulations and cover boards, wood substrates, concrete, and light-weight concrete decks.
Color: Amber

JM PVC Water Based Membrane Adhesive


Use: For adhering JM PVC membranes to approved substrates
See Bulletin T22-002, dated September 19, 2022 for additional information.
Type: One-part, water based membrane adhesive
Substrates: Compatible with approved insulations and cover boards and concrete decks.
Colors: Bright blue when wet, and dark green when ready to adhere.

JM Roofing System Urethane Adhesive - RSUA


Use: JM Roofing System Urethane Adhesive is a two-component polyurethane adhesive used for attaching fleece-backed single ply membranes to insulation boards or various deck types as well as insulation boards to the roof deck or to other insulation boards.
Type: Two-part, cold application insulation adhesive.
Substrates: Compatible with the following insulations, cover boards, and substrates1 : polyisocyanurate; HD wood fiber; perlite; Invinsa® Roof Board; gypsum; concrete2 (Lightweight structural, poured-in-place structural, precast, and insulating); treated plywood (5/8" [1.58 cm] min. thickness); cementitious wood fiber; gypsum; smooth or granulated BUR, APP or SBS.
1. Ensure that all insulation boards are 4' x 4' or smaller.
2. Ensure that the concrete is adequately dry for adhesion.
Color: Part 1 - Tan, Part 2 - Colorless
Features: Solvent free, and HCFC or CFC free. Universal adhesive for adhering fleece-backed membranes and insulation boards. Sets in minutes.

Installation Guides
Installation Instructions for JM Roofing Systems Urethane Adhesive (RSUA)
JM Single Ply LVOC Caulk


Use: To seal the edges around flashing terminations, peel and stick products and exposed edges of JM membrane cement splices.
Type: One-part, elastomeric sealant.
Colors: Black or White

JM Single Ply Membrane Cleaner - Low VOC


Use: To remove dirt, asphalt or other contaminants from JM TPO and PVC single ply membranes to ensure a good weld or bond. Can be used prior to applying TPO Membrane Primer for peel and stick applications.
Type: One-part, low VOC solvent, membrane cleaning agent.
Color: Clear

JM Single Ply Membrane Primer - Low VOC


Use: To prime JM EPDM and TPO membrane surfaces for adhering EPDM or TPO peel and stick products.
Type: One-part, low VOC synthetic polymer-based membrane primer.
Color: Clear to Light Yellow

JM Single Ply Sealing Mastic


Use: To seal JM Single Ply membranes to terminations and other penetrations.
Type: One-part, butyl polymer-based water cutoff mastic.
Substrates: Compatible with wood, concrete, metal, plastic, and other substrates for water penetration prevention.
Color: Grey

JM TPO 1168 Membrane Adhesive


Use: For adhering JM TPO membranes to approved substrates. Approved for sale and use in California. Do not use on fleece-backed membranes at any time.
Type: One-part, 1168 Compliant*, low VOC synthetic polymerbased membrane adhesive.
Substrates: Compatible with approved insulations and cover boards, wood substrates, concrete, and light-weight concrete decks.
Color: Yellow

Installation Guides
JM TPO LVOC Edge Sealant


Use: To seal cut edges of JM TPO membrane.
Type: One-part, membrane edge sealing agent.
Colors: Clear (White available - not stocked)

JM TPO Membrane Cleaner


Use: To remove dirt, asphalt or other contaminants from JM TPO membranes to ensure a good weld or bond.
Type: One-part solvent, membrane cleaning agent.
Color: Clear

JM TPO Membrane Primer


Use: To prime JM TPO Membrane surfaces for adhering TPO peel and stick products.
Type: One-part, synthetic polymer-based membrane primer.
Color: Clear to Light Yellow

JM TPO Pourable Sealer A and B


Use: JM TPO Pourable Sealer is used as a penetration pocket filler.
Type: Two-part polyurethane sealant.
Colors: Part A - White, Part B - Black

JM TPO WATER BASED MEMBRANE ADHESIVE


Use: For adhering JM TPO membranes to approved substrates. Limited availability from October 1st to April 15th.
See Bulletin T22-002, dated September 19, 2022 for additional information.
Type: One-part, water based membrane adhesive. Substrates: Compatible with approved insulations and cover boards, and concrete decks.
Colors: Bright blue when wet, and dark green when ready to adhere. See Installation/Application for a visual guide to colors.

JM Two-Part Urethane Insulation Adhesive (UIA)


Use: For bonding insulation board products to approved roofing substrates, and insulation to insulation.
Type: Two-part, cold application insulation adhesive.
Substrates: Compatible with the following insulations, cover boards, and substrates: polyisocyanurate; HD wood fiber; perlite; Invinsa® Roof Board; gypsum; concrete; treated plywood; cementitious wood fiber plank; base sheets; gypsum; and some existing smooth-surfaced asphalt (per inspection).
Color: Amber
Features:
- No primers or catalysts are required for application.
- No ballasting of boards required.
- May be used in single ply and bituminous systems.

JM Two-Part Urethane Insulation Adhesive (UIA) Canister


Use: For bonding fleece-backed singly ply, insulation and cover boards.
Type: Self-contained two-part, low-rise foam adhesive.
Substrates: Compatible with the following: insulations, cover boards, and substrates: fleece-backed TPO, fleece-backed PVC, polyisocyanurate; HD wood fiber; perlite; Invinsa® Roof Board; gypsum; concrete; treated plywood; cementitious wood fiber plank; base sheets; gypsum; and some existing smooth-surfaced asphalt (per inspection).
Color: Pink

JM Weathered Membrane Cleaner


Use: To thoroughly clean the release agent and dirt from JM TPO and JM EPDM membranes prior to applying primers or splice adhesives.
Type: One-part, organic solvent cleaning agent.
Color: Clear

MBR Bonding Adhesive


Use: For applying SBS cold applied membranes and insulation/ cover board. Used as a direct substitute for hot asphalt.
Type: Two-part, solvent free, elastomeric, cold application adhesive.
Color: Black to Brown
Features: 100% solids with no volatile organic compounds (VOCs). Low odor and fast set time. Can be applied over wide temperature and humidity ranges. High strength with exceptional wind uplift performance. Ideal for those applications where hot asphalt is prohibited, not desirable or not practical.

MBR Cold Application Adhesive


Meets the requirements of ASTM D 3019, Type III, Grade 2.
Use: For adhering roofing plies, modified bitumen membranes and for aggregate surfacings. It can be used as a direct substitute for asphalt in all JM modified bitumen roof membrane specifications.
Type: One-part, elastomeric cold application membrane adhesive.
Color: Black
Features: Cures to form a durable, elastomeric and watertight film. Cold process – does not have to be heated. Ready for use as shipped.

MBR Flashing Cement


Use: For use with JM BUR and SBS membrane products. It is part of the JM PermaFlash® Bituminous Flashing System for penetrations and other details. Ideal for areas where hot asphalt is prohibited, not desirable or not practical.
Type: Two-part, elastomeric, liquid-applied flashing material.
Color: Black
Features: Cures to a durable, elastomeric film and forms exceptional bonds between the modified bitumen and underlying substrate. Resists virtually all factors affecting base flashing performance while providing superior flexibility and durability. UV stable, high solids, low odor, VOC compliant.

MBR Utility Cement


Meets the requirements of ASTM D 4586, Type I
Use: As a substitute for asphalt and MBR® Flashing Cement in JM modified bitumen flashing details, and can be used to adhere the JM modified bitumen flashing systems and built-up roofing felts to vertical surfaces, as a general purpose mastic on most built up roofing and modified bitumen flashing details, or to strip in the laps of modified bitumen base flashings.
Type: One-part, asphalt-based, trowel-grade mastic.
Color: Black
Features: Cold process – does not have to be heated. Cures to form a durable, elastomeric and watertight film. Ready for use as shipped.

One-Part Pourable Sealer


Use: JM One-Part Pourable Sealer is used as a penetration pocket filler.
Type: One-part polyether sealant.
Color: Grey

Brochures
Installation Guides
Premium Cold Application Adhesive


Use: To adhere modified bitumen membranes and aggregate surfacings. Use as a direct substitute for asphalt in JM SBS modified bitumen roof membrane specifications.
Type: One-part, fast set, elastomeric cold application membrane adhesive.
Color: Black
Features: Excellent wind uplift resistance. Low odor, cold process adhesive.
SA Primer


Use: Designed to enhance the adhesion of self-adhering membranes on approved substrates.
Type: One-part, specification grade, penetrating priming solution.
Substrates: Compatible with gypsum; concrete; fiber cement; wood; and metal surfaces.
Features: Sprayable, ideal for self-adhering membranes, achieves a tenacious bond to a variety of substrates.
Color: Red

SA Primer Low VOC


Use: Designed to enhance the adhesion of self-adhering membranes on approved substrates.
Type: One-part, specification grade, penetrating priming solution.
Substrates: Compatible with gypsum; concrete; fiber cement; wood; and metal surfaces.
Features: Low VOC, Sprayable, ideal for self-adhering membranes, achieves a tenacious bond to a variety of substrates.
Color: Red
