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Johns Manville 2 ft x 4 ft Tapered FESCO Perlite Cover Board, 144 sq ft Bundle
Regular price $146.19Orders start at $399 — combine any items to reach the minimum. Learn more
Johns Manville 2 ft x 4 ft Tapered FESCO Perlite Cover Board, 144 sq ft Bundle
This Johns Manville Tapered FESCO cover board is a 2 ft x 4 ft factory-fabricated expanded perlite panel blended with selected binders and fibers, pre-cut to several slopes for low-slope roof drainage. Each bundle holds 18 pieces covering 144 sq ft. It pairs with Johns Manville commercial membrane roofing systems.
Key Features:
- Tapered slope: Pre-cut to several slopes so roof assemblies can be built up with positive drainage.
- Perlite composition: Expanded perlite with air cells provides superior insulating efficiency.
- Classified and approved: UL Classified, FM Approved and rated ASTM C728, Type 1.
- 144 sq ft bundle: Each bundle contains 18 panels covering 144 sq ft.
- Cover board role: Serves as tapered insulation or cover board in commercial roof systems.
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Johns Manville |
| Sell unit | 1 bundle of 18 panels, 144 sq ft |
| Product line | Tapered FESCO |
| Profile / style | Tapered cover board |
| Dimensions | 2 ft x 4 ft |
| Coverage per unit | 144 sq ft bundle |
| Pack quantity | 18 pieces per bundle |
| Material | Expanded perlite with selected binders and fibers |
| Applicable standards | UL Classified; FM Approved; ASTM C728, Type 1 |
| Weight | 54 lb (listed item weight) |
| Intended use | Tapered roofing insulation / cover board for commercial low-slope roofs |
Coverage & How Much You Need:
One bundle of 18 panels covers 144 sq ft. Divide the tapered roof area by 144 sq ft to estimate bundles, adding allowance for layout and waste.
Fit and Compatibility:
Used within Johns Manville commercial roofing assemblies under JM membranes; membrane, fasteners and adhesives are sold separately.
Frequently Asked Questions (FAQ):
Q: How many panels come in a bundle?
A: Each bundle contains 18 panels measuring 2 ft x 4 ft, for 144 sq ft total.
Q: What is the board made of?
A: It is a factory-fabricated panel of expanded perlite blended with selected binders and fibers.
Q: Is it code listed?
A: Yes, it is UL Classified, FM Approved and meets ASTM C728, Type 1.
Q: Why use tapered board?
A: Tapered panels are pre-cut to several slopes, letting you build drainage into a low-slope roof without site fabrication.
Q: How do I size my order?
A: Divide the roof area by 144 sq ft per bundle and add allowance for field layout and cutting.
Expert Verdict — Reviewed by the SuperArbor Pro Desk
The 144 sq ft bundle is an efficient package for larger tapered fields, reducing bundle count and handling on big roofs. Verify the specific slope and taper callout for this bundle against your project specification before ordering, and install per Johns Manville details to maintain system guarantee eligibility.
Wear gloves, eye protection and dust control when handling or cutting perlite board, and follow manufacturer installation instructions and local code.
Order the Johns Manville 2 ft x 4 ft Tapered FESCO Perlite Cover Board 144 sq ft bundle for efficient tapered insulation.
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