Johns Manville ProtectoR™ HD Cover Board

Johns Manville (JM), a global building and specialty products manufacturer and a Berkshire Hathaway company, announced a wide range of new high-performance commercial roofing products at last week's International Roofing Expo (IRE) in Nashville, February 11-13.
Taking center stage at the JM booth will be the company’s ProtectoR™ HD High Density Polyiso Cover Board. It provides excellent protection and can save time and expense for contractors. With a closed cell polyiso foam core and inorganic coated glass facers, this high-density cover board has a Grade 1 compressive strength and an R-value of 2.5. The product offers excellent resistance to moisture, hail, wind uplift and puncture, plus its light weight makes it easy to handle.
The product has the lowest fastening rates in the market for a HD polyiso cover board—up to 50 percent fewer fasteners are needed to achieve FM I-90. As an example, it takes only eight fasteners per 4’ X 8’ board with adhered reinforced membrane (TPO, PVC, EPDM-R, Mod Bit¬) applications over a minimum 22 ga steel or structural concrete deck to achieve FM 1-90 performance.
“ProtectoR HD is an important addition to our polyiso cover board offering,” noted Tesha Kroll, Director of Product Management, Roofing Systems at JM. “It expands our line with a half-inch, high-density product and gives us the most comprehensive offering in the industry.”
Other JM cover boards that were featured at IRE included SeparatoR® CGF and SeparatoR FR.
Johns Manville also featured two new EPDM products at IRE— EPDM Tape Primer Plus and EPDM One-Sided Pre-Taped sheets.
EPDM Tape Primer Plus features greatly improved coverage rates when compared to competitive products—500 square feet per gallon vs. 250 square feet per gallon for the competition. With a consistent smooth texture, the product is easier to mix and has superior tack-back performance. EPDM Tape Primer Plus also has an improved application temperature range above 25 degrees F.
EPDM FIT One-Sided Pre-Taped is an exciting addition to the JM FIT (factory inseam tape) line, and is offered with 4” or 6” FIT, as well as 20’ and 30’ one-sided pre-taped sheets.
TPO Lineup Now Includes TPO 12-Foot and TPO SA
Long renowned for its best-in-class TPO products, Johns Manville recently added 12-foot-wide TPO roofing sheets in all thicknesses—45, 60 and 80 mils. The wider roll makes many roofing jobs easier, with fewer lifts to the roof and labor savings from welding fewer laps. The company also produces a 6-foot-wide sheet.
TPO SA will also be featured at IRE. This versatile flashing membrane is perfect for curbs, corners and parapet walls. It installs at a wide temperature range beginning at 20 degrees F. and rising on an approved substrate with primer, or direct to smooth approved substrate at 40 degree F. and rising.
“We’re pleased to share our newest roofing products at IRE and to sponsor The Roofing Institute, which provides contractor-focused educational opportunities,” said Joe Smith, President of Roofing Systems at Johns Manville. “Our goal is to offer customers an outstanding experience—with JM products, service and our Peak Advantage® Guarantee.”
About Johns Manville:
Johns Manville, a Berkshire Hathaway company (NYSE: BRK.A, BRK.B), is a leading manufacturer and marketer of premium-quality products for building insulation, mechanical insulation, commercial roofing and roof insulation, as well as fibers and nonwovens for commercial, industrial and residential applications. JM serves markets that include aerospace, automotive and transportation, air handling, appliance, HVAC, pipe and equipment, filtration, waterproofing, building, flooring, interiors and wind energy. In business since 1858, the Denver-based company has annual sales over $3 billion and holds leadership positions in all of the key markets that it serves. Johns Manville employs 8,000 people and operates 42 manufacturing facilities in North America, Europe and China. Additional information can be found at

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