Skip to content
Johns Manville 45 mil TPO Roofing Membrane, White, 10 ft x 100 ft Roll
Regular price $848.19Johns Manville 45 mil TPO Roofing Membrane, White, 10 ft x 100 ft Roll
This is a Johns Manville 45 mil TPO single-ply roofing membrane in white, supplied as one 10 ft x 100 ft roll for commercial low-slope roof systems. The thermoplastic polyolefin sheet installs over insulation or cover board and is hot-air welded at seams. Pair it with JM TPO flashing, fasteners, plates, adhesives and insulation for a complete JM roofing system.
Key Features:
- Reflective white: White TPO surface is the standard reflective finish for JM's TPO roofing systems.
- 45 mil gauge: This roll is the 45 mil thickness in the JM TPO membrane family.
- Wide coverage: The 10 ft x 100 ft roll provides 1,000 sq ft of membrane per roll before seams and laps.
- Code approvals: Listed as FM Approved, UL Classified, Miami-Dade County Approved and meeting ASTM D6878.
- System component: Designed as the field membrane of a complete Johns Manville TPO roof system.
- Hot-air welded: TPO seams are thermally welded per JM installation specifications.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Johns Manville |
| Manufacturer model | 90001399 |
| Sell unit | 1 roll, 10 ft x 100 ft |
| Product line | TPO Roof Systems |
| Material | TPO (thermoplastic polyolefin) single-ply roofing membrane |
| Color | White |
| Dimensions | 10 ft x 100 ft |
| Thickness | 45 mil |
| Coverage per unit | 1,000 sq ft per roll (nominal, before laps and seams) |
| Applicable standards | FM Approved; UL Classified; Miami-Dade County Approved; ASTM D6878 |
| Weight | 284 lb per roll (gross) |
| Intended use | Commercial low-slope roofing membrane |
Coverage & How Much You Need:
One 10 ft x 100 ft roll nominally covers 1,000 sq ft of roof field; actual installed coverage is reduced by seam laps, perimeter detailing and waste. Size the job by dividing roof area by usable roll coverage and confirm layout against JM fastening patterns.
Fit and Compatibility:
Part of the Johns Manville TPO roofing system; use with JM TPO flashing and accessories, JM insulation and cover boards, JM fasteners and plates, and JM adhesives and sealants. Follow the JM TPO product data sheet and assembly plates for approved assemblies.
Frequently Asked Questions (FAQ):
Q: What is included with this order?
A: One 10 ft x 100 ft roll of Johns Manville 45 mil white TPO roofing membrane. Flashing, fasteners, plates, adhesives and insulation are sold separately.
Q: How much area does one roll cover?
A: The nominal roll area is 1,000 sq ft, but installed coverage will be somewhat less after seam laps and perimeter detailing.
Q: How are seams sealed?
A: TPO seams are hot-air welded following Johns Manville's installation specifications and detail drawings.
Q: Is this membrane code approved?
A: The listing states it is FM Approved, UL Classified, Miami-Dade County Approved and meets ASTM D6878.
Q: Can I use it on a steep residential roof?
A: It is intended for commercial low-slope TPO roof systems; consult the JM product data sheet for approved applications.
Q: How heavy is the roll?
A: The dealer sheet lists gross weight at 284 lb per roll, so plan handling and delivery accordingly.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
Choose 45 mil where the specified JM assembly calls for it; 60 and 80 mil options offer more thickness for higher-wear or warranty-driven projects. Verify the JM fastening pattern documents for the insulation type and wind zone before installation. Order matching JM TPO flashing and sealants so welds and terminations stay within the same brand system.
Install per Johns Manville specifications and local code; TPO installation involves hot-air welding equipment and work at height, so use trained crews and fall protection.
Order the Johns Manville 45 mil white TPO membrane roll for your next low-slope roofing project.
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.
