Skip to content
TopShield Pro App-G APP Modified Bitumen Membrane, 39-3/8 in. x 32'10 in. Roll, Multiple Colors
Regular price $108.50Orders start at $399 — combine any items to reach the minimum. Learn more
TopShield Pro App-G APP Modified Bitumen Membrane, 39-3/8 in. x 32'10 in. Roll, Multiple Colors
TopShield Pro App-G is an APP-modified bitumen roofing membrane built on a high-performance, stress-resistant polyester mat impregnated and coated with a superior-grade modified bitumen compound. Each roll measures 39-3/8 in. x 32 ft. 10 in. and is sold by the roll, with 20 or 25 rolls per pallet depending on the variant. Choose from White, Thunder Black, Weathered Wood, Russet Ridge or Gunmetal Gray.
Key Features:
- Polyester reinforcement: High-performance, stress-resistant polyester mat adds long-lasting durability.
- Superior bitumen compound: The mat is impregnated and coated with a superior-grade modified bitumen compound.
- Strong UV stability: Demonstrates strong UV stability for weather-exposed roofs.
- Elongation and recovery: Exhibits outstanding elongation and recovery properties to handle roof movement.
- Dedicated production lines: Manufactured on cutting-edge, dedicated lines designed exclusively for modified bitumen products.
- Multiple cap colors: Available in White, Thunder Black, Weathered Wood, Russet Ridge and Gunmetal Gray.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | TopShield |
| Sell unit | 1 roll, 39-3/8 in. x 32 ft. 10 in. |
| Product line | TopShield Pro App-G |
| Available colors | White, Thunder Black, Weathered Wood, Russet Ridge, Gunmetal Gray |
| Available sizes | 39-3/8 in. x 32 ft. 10 in., 20 or 25 rolls per pallet |
| Material | APP-modified bitumen on a stress-resistant polyester mat |
| Dimensions | 39-3/8 in. x 32' 10" per roll |
| Finish / texture | Colored granule surfacing (White, Thunder Black, Weathered Wood, Russet Ridge, Gunmetal Gray) |
| Nominal size | 39-3/8 in. x 32 ft. 10 in. roll |
| Intended use | Modified bitumen roofing for BUR & MB systems |
Coverage & How Much You Need:
Each 39-3/8 in. x 32 ft. 10 in. roll provides roughly 108 sq. ft. of membrane; plan laps and waste when sizing the job, and order by the roll with 20 or 25 rolls to a pallet.
Fit and Compatibility:
Part of the TopShield Pro APP-G modified bitumen system for BUR & MB roofing assemblies. Torch/applications accessories, adhesives and base sheets are sold separately.
Frequently Asked Questions (FAQ):
Q: What colors are available?
A: White, Thunder Black, Weathered Wood, Russet Ridge and Gunmetal Gray.
Q: What are the roll dimensions?
A: Each roll is 39-3/8 in. wide by 32 ft. 10 in. long.
Q: How is it sold?
A: By the roll; pallets hold 20 or 25 rolls depending on the variant.
Q: What is the reinforcement?
A: A high-performance, stress-resistant polyester mat impregnated and coated with modified bitumen.
Q: Is it UV resistant?
A: Yes, the membrane demonstrates strong UV stability.
Q: How much area does one roll cover?
A: Approximately 108 sq. ft. per roll before laps and waste are accounted for.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
APP-modified bitumen with a polyester mat is a good pick for torch-applied or hot-asphalt installations where elongation and recovery matter. Choose White or lighter granules where heat reflectivity is desired, and dark tones like Thunder Black or Weathered Wood for a traditional look. Order by the roll and confirm pallet quantity with your job takeoff.
Torch or hot-applied modified bitumen work requires trained crews, fire watch and proper personal protective equipment.
Order TopShield Pro App-G modified bitumen membrane for a durable, UV-stable commercial roof.
All third party trademarks, including logos and icons, referenced on our website and product pages remain the property of their respective owners. Unless specifically identified as such, Arbor's use of third party trademarks does not indicate any relationship, affiliation, sponsorship, or endorsement between Arbor Home and the owners of these trademarks. Any references by Arbor Home to third party trademarks are to identify the corresponding third party goods.
