The JM DynaGrip Base SD/SA 39-3/8″ x 65′ 7″ Fiberglass Reinforced is a bur & mb systems from Johns Manville for exact-match material ordering. Match manufacturer model/MPN 90001287. This variant is sold as RL with SKU JMDGB2. Allows for installation of a cap sheet with hot asphalt, an approved cold adhesive, or by using heat welding techniques

Key Specs

• Brand: Johns Manville
• Model / MPN: 90001287
• SKU: JMDGB2
• Sell unit: RL
• Product type: BUR & MB Systems
• Size: 39-3/8″ x 65′ 7″ Fiberglass Reinforced
• Color / finish: 39-3/8″ x 65′ 7″ Fiberglass Reinforced
• Category: Commercial Roofing | Commercial Roofing/Membranes | Commercial Roofing/Membranes/BUR & MB Systems

Key Features

• Provides full recovery properties after 100% elongation and lends elasticity and flexibility to the sheet
• Offers excellent dimensional stability and tensile strength and withstands differential movement
• The products self-adhering feature with an easy-to-peel plastic film on the bottom of the sheet allows for installation without the need of hot asphalt or heat-welding

Coverage & How Much You Need

Confirm coverage/yield from the manufacturer instructions and job takeoff before ordering.

Compatibility / Fitment

Use only with compatible systems and installation conditions specified by the manufacturer.

FAQs

What exactly am I ordering?

JM DynaGrip Base SD/SA 39-3/8″ x 65′ 7″ Fiberglass Reinforced, sold as RL, SKU JMDGB2, manufacturer model/MPN 90001287.

What unit is the price based on?

The price is for the RL sell unit.

What should I match before ordering?

Match brand, model/MPN where available, size/color, sell unit, and the project specification.

Can this be substituted?

Treat this as an exact-match building material selection; hold for review before substituting a different model, color, size, or system family.

How do I estimate quantity?

Use the project takeoff plus manufacturer installation instructions, including waste, overlap, and accessory requirements.

Follow manufacturer instructions, OSHA-safe work practices, local code, and project specifications.

Product Expert Notes

Choose this variant when Johns Manville, SKU JMDGB2, RL sell unit, and MPN 90001287 match the job requirement.