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The JM APPeX 4S APP Cap/Base Sheet Talc Torch is a bur & mb systems for jobs that require Johns Manville model/MPN 90023440 in the EA sell unit. Provides an extremely durable sheet with excellent weathering characteristics, flexibility and dimensional stability for ease of handling and quick installations

Key Specs

• Brand: Johns Manville
• Model / MPN: 90023440
• SKU: JMA4SSM
• Sell unit: EA
• Product type: BUR & MB Systems
• Size / color: 39-3/8″ x 32′ 10″
• Category: Commercial Roofing | Commercial Roofing/Membranes | Commercial Roofing/Membranes/BUR & MB Systems
• Coverage / unit: 1 squares (100 sq ft) per roll

Key Features

• APPeX 4S is used as a cap or base sheet in APP multi-ply roofing systems
• Provides bidirectional glass-scrim reinforcement and offers robust tear strength and puncture resistance, allowing for high wind performance and excellent hail rating. The sheet also exhibits strong dimensional stability and enhanced elongation.
• Compatible for Heat Weld APP Multi-Ply Systems

Coverage & How Much You Need

This item is listed as 1 squares (100 sq ft) per roll. Use the project takeoff, manufacturer installation instructions, and expected waste/overlap to confirm the 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 bur & mb systems, pack size, color, membrane/system family, or installation condition without checking the manufacturer instructions.

FAQs

What exactly am I ordering?

JM APPeX 4S APP Cap/Base Sheet Talc Torch, sold as EA, with SKU JMA4SSM and manufacturer model/MPN 90023440.

What model or part number should I match?

Match model/MPN 90023440 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 EA sell unit. Confirm the unit before comparing price, quantity, or coverage.

How do I estimate quantity?

Use 1 squares (100 sq ft) per roll, then add waste or overlap per the manufacturer instructions and the project design.

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 90023440, SKU JMA4SSM, and the EA sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.