New Cover Board Available from Johns Manville

By Matt Sayer, Johns Manville. 

The heavy-duty DensDeck® StormX™ Prime Roof Board offers exceptional hail impact resistance, fire protection and long-term stability. 

The 5/8” thick DensDeck StormX gypsum cover board is FM Very Severe Hail (VSH) approved and adheres to a JM TPO 60 mil smooth back membrane. Johns Manville is proud to announce this product, which provides hail and fire protection, moisture resistance and dimensional stability. This is also the only gypsum cover board to achieve FM VSH approval alongside having a 60 mil TPO membrane. These achievements result in a cost effective, high performing membrane solution that resists extreme hail.  

Installation and specification

Installation of DensDeck StormX Prime Roof Board follows the same familiar guidelines as DensDeck Prime Roof Boards. Installation for compliance with VSH rated assemblies include 48″x48″ DensDeck StormX Prime Roof Board adhered in 12″ on center ribbons of 2PUIA or RSUA low rise foam adhesive with and adhered 60 mil JM TPO membrane. DensDeck StormX Prime Roof Board is eligible to be included in the JM Peak Advantage® Guarantee.  

Contact your local sales representative to find out more about the system benefits with DensDeck StormX Prime Roof Board. 

Learn more about Johns Manville in their RoofersCoffeeShop® Directory or visit www.jm.com. 

Original article source: Johns Manville 

About Johns Manville: 

Johns Manville began in 1858 as H.W. Johns Manufacturing Company in New York City. They continue today as a leading manufacturer of premium-quality insulation and commercial roofing products, including glass fibers and nonwovens manufactured for industrial, commercial and residential applications.  

Johns Manville provides a complete set of product offerings for the commercial roofing industry and is supported by a variety of service groups who stand by contractors throughout the entire project process. Everyone at Johns Manville embody the company’s core values and their passion for going the extra mile allows them to continue as a leading manufacturer in the roofing industry. Johns Manville prides themselves on providing premium products that protect roofing systems and ensure they are made to last. They are excited to continue a legacy of quality and innovation well into the future.