Roofing Insulation and Cover Boards

Roof Insulation and Cover Boards

Family Description

Our broad line of polyiso insulation products can address your R-value requirements. We are a PIMA member and are audited by their QualityMark program. We have a wide range of facers that cover all ASTM Type II designations, and we offer a full line of composite products.

Adding a cover board enhances the long-term performance of a commercial roofing system. We offer high-density polyiso, low-density polyiso, cement, and gypsum cover boards. We've got you covered with solution for all situations you might encounter: a system for high-impact zones, fire-retardant solutions that meet UL Class A requirements, products that do not support mold growth and more.

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Documents

Maximizing Your Roof's Protection From Hail

When it comes to your roof, hail can cause significant damage. However, incorporating the appropriate cover board into your roofing system can provide you with superior protection. Upgrade your roof to VSH-rated with an FM-approved cover board today!

Very Severe Hail is two inches or wider in diameter.

Hail can fall as speeds up to 72 mph

The Very Severe Hail region was recently expanded. Are you in the danger zone? Visit the FM Global natural hazards map here.

JM TPO System with DexCell FA VSH Roof Board Solution

JM TPO Very Severe Hail Solutions with DensDeck StormX Roof Board

JM SBS Very Severe Hail System Solution

Roofing Institute Contractor Training

Our JM approved contractors can take advantage of hands-on training and learn all the latest best practices for your profession through our learning program. As low-slope roof technology, materials and performance demands evolve, it is crucial to understand new materials and technologies. JM has built an education and development initiative that utilizes our over 160 years of experience in commercial roofing.

Training mechanically fastening TPO around a penetration.

BURSI for Design Professionals

Our BURSI® program, run by our Specifier Services Team offers customizable education programs that are certified by American Institute of Architects (AIA). We offer anything from one-hour “Lunch and Learns” to a 10-hour, multiple-day seminar. Our program is known as (BURSI) Better Understanding of Roofing Systems Institute. Please contact your local sales representative for more information on upcoming BURSI dates or visit our calendar to see the next educational seminar is in your area.

Roofing Systems Blog

Commercial Roofing

John Goers Named President of CSI Chicago Chapter

Johns Manville is pleased to congratulate John Goers, Managing Partner of Architectural Building Solutions (ABS), on being sworn in as the new President of the Chicago Chapte...

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Commercial Roofing

What Reinforcements Can be Used for Modified Bitumen Roofing?

Selecting the right modified bitumen membrane starts with understanding the reinforcement. JM’s SBS portfolio includes fiberglass, polyester and composite-reinforced options,...

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Commercial Roofing

The Cost of Waiting: Why Proactive Roof Maintenance May Help to Prevent Future Unplanned Expenses

Learn why proactive summer roof maintenance may help property managers and building owners avoid costly fall roofing repairs and extend roof life.

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Commercial Roofing

How Low-Rise Foam Adhesive with Spatter Pattern Application Saves Time on Commercial Roofing Projects

Commercial roofing contractors are always looking for solutions to do more with less: less downtime, less product waste, fewer application steps, and fewer delays between ins...

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Commercial Roofing

Roofing Adhesives - Pick It Right to Stick It Right

Selecting the right adhesive ultimately comes down to ensuring the bond between the roofing membrane and substrate is complete, strong, and durable enough to last the life of...

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Commercial Roofing

Wind Design vs. Wind Rider: What’s the Difference?

A clear guide for building owners, contractors, and design professionals. When commercial roofing projects begin, two terms often cause confusion: Wind Design and Wind Rider....

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Commercial Roofing

Why Single Ply Fleece Backed Membranes Matter: Performance, Protection, and Compatibility with JM QuickFoam® Adhesive

Single Ply Fleece Backed membranes have become essential in today’s commercial roofing landscape, particularly for building owners and contractors who require increased impac...

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Commercial Roofing

BURSI Brings Roofing Education to Hershey, PA

Since 1972, the Better Understanding of Roofing Systems Institute (BURSI) has been dedicated to educating the design community about commercial roofing systems. Recently, BUR...

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Commercial Roofing

Cold Weather Roofing Solutions: Johns Manville Products Built for Winter Performance

When temperatures drop, roofing projects don’t have to come to a halt. At Johns Manville, we understand the challenges contractors face during cold weather installations. Tha...

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