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Johns Manville 45 mil TPO Roofing Membrane, White, 5 ft x 100 ft Roll
Regular price $424.10Johns Manville 45 mil TPO Roofing Membrane, White, 5 ft x 100 ft Roll
This is a Johns Manville 45 mil TPO single-ply roofing membrane in White, supplied as one 5 ft x 100 ft roll (500 sq ft nominal). The reinforced thermoplastic olefin sheet is FM Approved, UL Classified, Miami-Dade County Approved and meets ASTM D6878. Pair it with JM TPO adhesives, flashing and accessories in a complete JM TPO roofing system.
Key Features:
- Standard gauge: 45 mil reinforced TPO for standard commercial low-slope roofing applications.
- Narrow roll: 5 ft x 100 ft roll, about 500 sq ft, ideal for narrow sections and repairs.
- Reflective white: White TPO surface for the JM TPO Roof System field membrane.
- Code approvals: FM Approved, UL Classified, and Miami-Dade County Approved per the item specification.
- Standard compliance: Conforms to ASTM D6878 for TPO sheet roofing.
- Welded seams: Thermoplastic sheet designed for hot-air welded laps.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Johns Manville |
| Manufacturer model | 90001397 |
| Sell unit | 1 roll, 5 ft x 100 ft |
| Product line | JM TPO Roof Systems |
| Material | TPO (thermoplastic olefin) single-ply membrane |
| Color | White |
| Dimensions | 5 ft x 100 ft, 45 mil thickness |
| Thickness | 45 mil |
| Coverage per unit | Approx. 500 sq ft per roll (5 ft x 100 ft) |
| Approvals | FM Approved; UL Classified; Miami-Dade County Approved; ASTM D6878 |
| Weight | 142 lb (gross weight per dealer sheet) |
| Intended use | Low-slope commercial roofing field membrane |
| Algae resistance | No |
Coverage & How Much You Need:
One roll is 5 ft wide by 100 ft long, roughly 500 sq ft of nominal membrane coverage. Estimate rolls by roof area plus laps, perimeter detail and flashing waste; narrower rolls add seams on wide fields.
Fit and Compatibility:
Use with the Johns Manville TPO Roof System including JM TPO bonding adhesive, fasteners and plates, insulation or cover board, and matching TPO flashing accessories, sold separately. Match thickness and components to the specified JM assembly.
Frequently Asked Questions (FAQ):
Q: What is included with this purchase?
A: One 45 mil White TPO membrane roll measuring 5 ft x 100 ft; adhesives, insulation, fasteners and flashing are sold separately.
Q: How much area does one roll cover?
A: About 500 sq ft nominal; add lap and flashing allowance when estimating.
Q: What is a 5 ft roll best used for?
A: Narrow roof sections, valleys, repairs and cut-up areas where wider rolls are difficult to handle.
Q: Is this membrane code approved?
A: Yes, it is FM Approved, UL Classified, Miami-Dade County Approved and meets ASTM D6878.
Q: How is it installed?
A: Per JM TPO system specifications using JM adhesives or mechanical attachment with hot-air welded seams by a qualified contractor.
Q: How much does the roll weigh?
A: The listed item weight is 142 lb.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
The 5 ft width is the go-to choice for strip-in work, parapet sections, penetrations and repairs where a wider roll cannot be handled or would waste material. Keep in mind that narrow rolls increase seam count on open fields, so use them where detail work dominates. Follow JM's printed fastening patterns and use matching JM TPO flashing and accessories.
Rooftop membrane installation requires fall protection and compliance with manufacturer instructions and local building codes.
Order the Johns Manville 45 mil White 5 ft x 100 ft TPO membrane roll for repairs and narrow roof sections.
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