The TopShield PRO APP-S Smooth 39-3/8" x 32' 10" 20 Roll/Pallet is a bur & mb systems for jobs that require TopShield model/MPN 647971 in the RL sell unit. TopShield PRO APP-S is designed for use as a base, inter ply or cap membrane (requires coating) over various types of substrates for both new construction and reroofing installations.

Key Specs

• Brand: TopShield
• Model / MPN: 647971
• SKU: TSP647971
• Sell unit: RL
• Product type: BUR & MB Systems
• Size / color: 39-3/8" x 32' 10" 20 Roll/Pallet
• Category: Commercial Roofing | Commercial Roofing/Membranes | Commercial Roofing/Membranes/BUR & MB Systems
• Coverage / unit: 1 squares (100 sq ft) per roll

Key Features

• TopShield PRO APP-S is produced with a high performance, stress-resistant polyester mat that is impregnated and coated with a superior grade, modified bitumen compound
• TopShield PRO modified bitumen membranes are manufactured on state-of-the-art, dedicated roofing lines that were exclusively designed for the production of modified bitumen products
• Non-oxidized (flux) asphalt, blended with various thermoplastic atactic polypropylene polymers and co-polymers

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?

TopShield PRO APP-S Smooth 39-3/8" x 32' 10" 20 Roll/Pallet, sold as RL, with SKU TSP647971 and manufacturer model/MPN 647971.

What model or part number should I match?

Match model/MPN 647971 and confirm the brand is TopShield. 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 RL 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 TopShield model/MPN 647971, SKU TSP647971, and the RL sell unit match the project requirement. It is best treated as an exact-match material selection, not a generic substitute.