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Single Ply Commercial Roofing
Bituminous Commercial Roofing
Roofing Insulation and Cover Boards
Installing Johns Manville insulation and a JM cover board under your roofing membrane is the easiest way to increase the energy savings and protection for your roof. No matter what membrane system or attachment method you're using, we have you covered with our wide selection of cover boards and insulation products manufactured and distributed in facilities located throughout North America.
Insulation & Cover Boards
DensDeck Prime Roof Board
Meets the requirements of ASTM C 1177
Enhanced Face Mat: Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with roofing adhesives.
Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics. 5/8" thickness meets the requirements of Type X per ASTM C 1177.
DensDeck Roof Board
Meets the requirements of ASTM C 1177
Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics. 5/8" thickness meets the requirements of Type X per ASTM C 1177.
Moisture and Mold Resistance: Scores a 10, the highest performance level for mold resistance, when tested in accordance with ASTM D 3273.
DensDeck StormX Prime Roof Board
Meets the requirements of ASTM C 1177
Very Severe Hail: Achieves FM 'VSH' approval with adhered 60 or 80 mil (smooth back) JM TPO membrane and standard JM TPO membrane adhesives when 4'x4' panels are adhered in low rise foam adhesive ribbons, 12" O.C. min.
Enhanced Face Mat: Coated fiberglass facer ideal for fully adhered systems provides a broader compatibility and higher performance with roofing adhesives.
Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics. 5/8" thickness meets the requirements of Type X per ASTM C 1177.
Brochures
DEXcell Cement Roof Board
Meets the requirements of ASTM C 1325
Durability: Composed of a lightweight cementicious core to provide exceptional impact resistance.
Strength: Exceptionally high compressive strength improves overall roof system performance. Cement board is able to withstand prolonged exposure to moisture and is ideal for systems where wind uplift and puncture resistance are a concern.
Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics.
Moisture and Mold Resistance: Cement based core provides superior moisture, mold, and mildew resistance. Scores a maximum "10" for mold resistance when tested per ASTM D 3273.
DEXcell FA Glass-Mat Roof Board
Meets the requirements of ASTM C 1177
Handleability: Heavy duty coated fiberglass facer ideal for fully adhered systems improves handling and strength. Scores and snaps easily.
Strength: High compressive strength improves overall roof system performance. Ideal for systems where wind uplift and puncture resistance are a concern.
Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics. 5/8" thickness meets the requirements of Type X per ASTM C 1177.
Moisture and Mold Resistance: Enhanced mold resistant core and coated fiberglass facers provide mold and mildew resistance per ASTM-D 3273.
DEXcell FA VSH™ Glass-Mat Roof Board
Meets the requirements of ASTM C 1177
Very Severe Hail: JM DEXcell FA VSH Glass Mat Roof Board meets FM 'VSH' with fully adhered JM 80 mil (smooth back) TPO membrane and standard JM TPO membrane adhesives, 4'x4' DEXcell FA VSH boards adhered in JM Roofing System Urethane Adhesive (RSUA) ribbons, 12" OC min. JM TPO FB 115 or FB 135 membranes can be adhered with JM Two-Part UIA in a splatter application, DEXcell FA VSH may be mechanically fastened or adhered with JM RSUA in ribbons, 12" OC min.
Handleability: Heavy duty coated fiberglass facer ideal for fully adhered systems improves handling and strength. Scores and snaps easily.
Strength: High compressive strength improves overall roof system performance. Ideal for systems where wind uplift and puncture resistance are a concern.
Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics. 5/8" thickness meets the requirements of Type X per ASTM C 1177.
Moisture and Mold Resistance: Enhanced mold resistant core and coated fiberglass facers provide mold and mildew resistance per ASTM-D 3273.
DEXcell Glass-Mat Roof Board
Meets the requirements of ASTM C 1177
Handleability: Coated fiberglass facer ideal for mechanically fastened systems improves handling and strength. Scores and snaps easily.
Fire Performance: FM Class 1 for fire barrier requirements and UL Class A unlimited slope with excellent surface burning characteristics. 5/8" thickness meets the requirements of Type X per ASTM C 1177.
Moisture and Mold Resistance: Enhanced mold resistant core and coated fiberglass facers provide mold and mildew resistance per ASTM-D 3273.
DuraBoard
Meets the requirements of ASTM C 728, Type 2
Polymerized Asphalt Emulsion Coating: Allows for direct application of SBS or APP membranes using torch application techniques, and does not require pre-heating like heavily coated boards. This allows for fuel savings and labor efficiency by eliminating fasteners with a mechanically fastened base sheet.
Expanded Perlite: Provides good dimensional stability, excellent insulation value with stable R-value and fire resistance.
Reinforcing Cellulosic Fibers: Consists of recycled newsprint to provide strength to the board as well as high recycled content. JM utilizes third party certification by UL environment to certify the recycled content and contributes to the LEED Materials and Resource (MR) credit 4.
High Density: Provides additional strength and durability.
Brochures
Case Studies
Recycled Content
ENRGY 3 - Flat and Tapered
Meets the following requirements:
ENRGY 3 / Tapered ENRGY 3
• CAN/ULC S704, Type 2, Class 3 (140 kPa)
• ASTM C 1289, Type II, Class 1, Grade 2 ENRGY 3 25 PSI / Tapered
ENRGY 3 25 PSI
• CAN/ULC S704, Type 3, Class 3 (170 kPa)
• ASTM C 1289, Type II, Class 1, Grade 3
Glass-Reinforced Facers: Provides rigidity and resistance to indentation and crushing, and are compatible with BUR, modified bitumen and single ply membrane systems.
Closed Cell Polyisocyanurate Foam Core: Provides high R-value per inch in built-up, modified bitumen, metal roof and single ply roof systems, and utilizes a zero ozone depletion blowing agent that provides high thermal insulation performance.
Resources
ENRGY 3 CGF - Flat and Tapered
Meets the following requirements:
ENRGY 3 CGF / Tapered ENRGY 3 CGF
• CAN/ULC S704, Type 2, Class 3 (140 kPa)
• ASTM C 1289, Type II, Class 2, Grade 2
ENRGY 3 25 PSI CGF / Tapered ENRGY 3 25 PSI CGF
• CAN/ULC S704, Type 3, Class 3 (170 kPa)
• ASTM C 1289, Type II, Class 2, Grade 3
Inorganic Coated Glass Facers: (With no cellulose) Provide improved resistance to mold growth, as well as a smooth surface that performs well with self-adhering systems, and efficient adhesive application in fully adhered single ply systems.
Closed Cell Polyisocyanurate Foam Core: Provides high R-value per inch in built-up, modified bitumen, metal roof and single ply roof systems, and utilizes an environmentally compliant blowing agent that provides high thermal insulation performance.
FesCant Plus and Tapered FESCO Edge Strip
Expanded Perlite: Provides good dimensional stability and excellent insulation value with stable R-value. The high perlite content offers far greater fire resistance than conventional wood fiber materials.
Reinforcing Cellulosic Fibers: Consists of recycled newsprint to provide strength to the board as well as high recycled content. JM utilizes third party certification by UL® Environment to certify the recycled content and contributes to the LEED® Materials and Resource (MR) credit 4.
FesCant Plus Cant Strips: Manufactured from JM Cant Board, a high-density, laminated perlite board that provides excellent transition from the deck to the wall of the roof.
Tapered FESCO Edge Strips: Excellent for transitioning from membrane to nailer, or transitioning from Tapered FESCO®, Tapered ENRGY 3®, or Tapered Fesco Foam® panels to the roof level to help promote positive drainage.
Brochures
Installation
FESCO Board
Meets the requirements of ASTM C 728, Type 1
TopLoc® Coating: Top surface is sealed with this special coating to reduce excessive asphalt absorption in hot-asphalt applied roofing systems.
Expanded Perlite: Provides good dimensional stability, excellent insulation value with stable R-value and fire resistance.
Low Thermal Insulation Board: Composed of expanded perlite, reinforcing cellulosic fibers and selected binders.
Reinforcing Cellulosic Fibers: Consists of recycled newsprint to provide strength to the board as well as high recycled content. JM utilizes third party certification by UL® Environment to certify the recycled content and contributes to the LEED Materials and Resource (MR) credit 4.
Hot Asphalt Friendly: Protective cover board or low thermal insulation board proven to reduce the tendency for blistering in hot asphalt applications.
Brochures
Recycled Content
FESCO HD
Meets the requirements of ASTM C 728, Type 2
TopLoc® Coating: Top surface is sealed with this special coating to reduce excessive asphalt absorption in hot-asphalt applied roofing systems.
Expanded Perlite: Provides good dimensional stability, excellent insulation value with stable R-value and superior fire resistance.
Reinforcing Cellulosic Fibers: Consists of recycled newsprint to provide strength to the board as well as high recycled content. JM utilizes third party certification by UL environment to certify the recycled content and contributes to the LEED Materials and
Resource (MR) credit 4.
High Density*: Allows for installations directly over a wide flute or metal deck application for spans up to 2½" and resists damage from construction and maintenance.
Hot Asphalt Friendly: Can be used as a cover board in re-roofing and new construction, proven to reduce the tendency for blistering in hot asphalt applications.
*For direct to deck application, contact JM technical services for specific requirements and system compatibility
Brochures
Recycled Content
Half-Inch Retro-Fit Board
Meets the requirements of ASTM C 728, Type 2
TopLoc® Coating: Top surface is sealed with this special coating to reduce excessive asphalt absorption in hot-asphalt applied roofing systems.
Expanded Perlite: Provides good dimensional stability, excellent insulation value with stable R-value and fire resistance.
Reinforcing Cellulosic Fibers: Consists of recycled newsprint to provide strength to the board as well as high recycled content. JM utilizes third party certification by UL environment to certify the recycled content and contributes to the LEED Materials and Resource (MR) credit 4.
Hot Asphalt Friendly: Utility board for use as a divorcing layer in re-roofing and in new construction as a top layer in multi-layer insulation systems proven to reduce the tendency for blistering in hot asphalt applications.
Brochures
Recycled Content
ProtectoR HD
Meets the requirements of ASTM C 1289, Type II, Class 4, Grade 1
High-Density Polyisocyanurate Foam Core: Closed cell polyisocyanurate foam technology provides additional insulation value (R-value of 2.5), with lightweight and low water absorption characteristics.
Inorganic Coated Glass Facers: (With no cellulose) Provide improved resistance to mold growth, as well as a smooth surface that performs well with self-adhering systems, and efficient adhesive application in adhered single ply systems.
Lightweight: Offers labor and installation efficiencies and allows more options for situations where the overall weight is a concern. This also means easy hoisting, staging and maneuvering around the roof.
High R-Value (2.5 R): Provides significantly more thermal insulation (R-value) than wood fiber or gypsum boards.
User Friendly: ProtectoR HD allows easy & efficient scoring, cutting and snapping which permits fast, tight fabrication and all in a low dust environment.
Resistance To Damage: High impact, flexural and compressive strength pro- vides a protective layer for insulation while working with the membrane above to ensure maximum performance and longevity.
Up to 50% Fewer Fasteners: Achieves FM 1-90 utilizing 8 fasteners per 4'x8'boardwithanadhered reinforcedmembraneand11fastenersper 4'x 8' board with an adhered non-reinforced membrane over a min. 22 ga steel deckorstructuralconcretedeck.
RetroPlus Roof Board
Meets the requirements of ASTM C 728, Type 3
TopLoc® Coating: Top surface is sealed with this special coating to reduce excessive adhesive absorption in hot-asphalt and cold applied roofing systems, and to provide a strong surface for bonding bituminous membranes.
Expanded Perlite: Provides good dimensional stability, excellent insulation value with stable R-value and superior fire resistance.
Reinforcing Cellulosic Fibers: Consists of recycled newsprint to provide strength to the board as well as high recycled content. JM utilizes third party certification by UL environment to certify the recycled content and contributes to the LEED Materials and Resource (MR) credit 4.
High Density: Provides additional strength and durability over 1/2" Retro-Fit Board with low moisture content and water resistance compared to wood fiber board.
Brochures
Recycled Content
SECUROCK Cement Roof Board
Meets the requirements of ASTM C 1325
Ideal for liquid applied membrane roof systems.
Strength: Engineered to provide superior wind-uplift performance for a wide variety of roof assemblies. The board is formed using an aggregated portland cement slurry with a polymer-coated, glass-fiber mesh completely encompassing edges and both surfaces, to enhance bond strength of membrane systems and gives excellent resistance to delamination.
Fire Performance: Provides excellent fire performance with unlimited slope classifications and is non-combustable per UL 790.
Moisture and Mold Resistance: Cement based, highly water durable board, scored a maximum "10" for mold resistance when tested per ASTM D 3273.
SECUROCK Ultralight Glass-Mat Roof Board
Meets the requirements of ASTM C 1177
Handleability: Unmatched mat-to-core tensile bond strength, easy to cut and has reduced facer delamination.
Fire Performance: Provides excellent fire performance, and demonstrates exceptional surface burning characteristics. 5/8" thickness meets the requirements of Type X per ASTM C 1177.
Moisture and Mold Resistance: Fiber glass facer and back with treated core delivers moisture and mildew resistance.
SECUROCK Gypsum-Fiber Roof Board
Meets the requirements of ASTM C 1278
Strength: Engineered to provide high wind-uplift performance. Uniform composition providing enhanced bond strength of membrane systems with no risk of facer delamination.
Fire Performance: Provides excellent fire performance, and demonstrates exceptional surface burning characteristics. 5/8" thickness meets the requirements of Type X per ASTM C 1177.
Moisture and Mold Resistance: Integral water-resistant core scored a maximum "10" for mold resistance when tested per ASTM D 3273.
SeparatoR
Meets the requirements of ASTM C 1289, Type II, Class 1, Grade 2
Closed Cell Polyisocyanurate Foam Core: Provides high R-value per inch, light weight, and flexibility in recover and metal retrofit applications.
Glass-Reinforced Facers: Provides rigidity and resistance to indentation and crushing for mechanically fastened single ply membrane systems.
High R-Value (2.8 R): ½" SeparatoR Board has more than two times the R-value of wood fiber or gypsum boards.
SeparatoR CGF
Meets the requirements of ASTM C 1289, Type II, Class 2, Grade 3
Closed Cell Polyisocyanurate Foam Core: Closed cell polyisocyanurate foam technology provides additional insulation value with lightweight and low water absorption characteristics.
Inorganic Coated Glass Facers: (With no cellulose) Provide improved resistance to mold growth, as well as a smooth surface that performs well with self-adhering systems, and efficient adhesive application in adhered single ply systems.
High R-Value (2.9 R): Has more than two times the R-value of wood fiber and more than four times the R-value of gypsum boards.
User Friendly: Allows easy and efficient scoring, cutting and snapping which permits fast, tight fabrication and all in a low dust environment.
Lightweight: Offers labor and installation efficiencies and allows more options for situations where the overall weight is a concern. This also means easy hoisting, staging and maneuvering around the roof.
Up to 50% Fewer Fasteners: Achieves FM 1-90 utilizing 8 fasteners per 4'x8'boardwithanadhered reinforcedmembraneand11fastnersper 4'x 8' board with an adhered non-reinforced membrane over a min. 22 ga steel deckorstructuralconcretedeck.
Tapered Fesco Board
Meets the requirements of ASTM C 728, Type 1
TopLoc® Coating: Top surface is sealed with this special coating to reduce excessive asphalt absorption in hot-asphalt applied roofing systems.
Expanded Perlite: Provides good dimensional stability, excellent insulation value with stable R-value and fire resistance.
Tapered Design: Factory cut taper, that is easy to install and cut, builds slope into an otherwise flat roofing system, allowing water to drain freely off the roof.
Reinforcing Cellulosic Fibers: Consists of recycled newsprint to provide strength to the board as well as high recycled content. JM utilizes third party certification by UL environment to certify the recycled content and contributes to the LEED Materials and Resource (MR) credit 4.
Hot Asphalt Friendly: Perlite board proven to reduce the tendency for blistering in hot asphalt applications.
