The JM Retroplus HD Cover Board 0.5" x 4' x 8' is a high-density iso for jobs that require Johns Manville model/MPN 90002008 in the PC sell unit. 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

Key Specs

• Brand: Johns Manville
• Model / MPN: 90002008
• SKU: JMRPRB148
• Sell unit: PC
• Product type: High-Density ISO
• Size / color: 0.5" x 4' x 8'
• Category: Commercial Roofing | Commercial Roofing/Coverboards | Commercial Roofing/Coverboards/High-Density ISO

Key Features

• 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
• 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 and efficient scoring, cutting and snapping which permits fast, tight fabrication and all in a low dust environment

Coverage & How Much You Need

Coverage or yield is not specified in the available product details. Use the manufacturer installation instructions and project takeoff before converting the job size into order quantity.

Compatibility / Fitment

Use this item only when the brand, model/MPN, size/color, sell unit, and system type match the project specification. Do not substitute it for a different high-density iso, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

JM Retroplus HD Cover Board 0.5" x 4' x 8', sold as PC, with SKU JMRPRB148 and manufacturer model/MPN 90002008.

What model or part number should I match?

Match model/MPN 90002008 and confirm the brand is Johns Manville. If the job spec lists a different model, size, color, or system family, hold for review.

What unit is the price based on?

This listing is built around the PC sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Coverage or yield is not specified in the available product details. Use the project takeoff and manufacturer instructions before estimating quantity.

What should be checked before purchase?

Confirm the model/MPN, sell unit, size/color, jobsite condition, compatible system components, and any manufacturer installation limits before approving the order.

Verify the manufacturer instructions, local code, and project specification before installation or substitution.

Product Expert Notes

Choose this item when Johns Manville model/MPN 90002008, SKU JMRPRB148, and the PC sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.