Johns Manville Tapered FESCO Perlite-Based Cover Board, D4 (1.75"–2.25"), 2' x 4', 32 Sq. Ft. Bundle
Regular price $31.68Tapered FESCO Perlite Cover Board, D4 2' x 4'
Factory-fabricated roofing cover board made from expanded perlite blended with binders and fibers for durable thermal performance. Pre-cut tapered panels deliver positive drainage and efficient insulation for commercial roof systems.
Key Features:
- Perlite Composition: Expanded perlite with selected binders and fibers for insulating efficiency
- Tapered Design: Pre-cut to several slopes to promote drainage and reduce ponding water
- Convenient Size: 2' x 4' panels in a 32 sq. ft. bundle; 4 pieces per bundle
- Thickness Range: D4 profile (1.75" to 2.25") for targeted build-up
- Tested & Listed: UL Classified, FM Approved, meets ASTM C728 Type 1
Please check the Product Data Sheet Here
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Johns Manville |
| Product name | Tapered FESCO Perlite-Based Cover Board |
| SKU / Material Number | 12620 |
| Product number | JMCPERD4 |
| Board dimensions | 2' x 4' |
| Thickness | D4 (1.75" to 2.25") |
| Bundle coverage | 32 sq. ft. |
| Pieces per bundle | 4 |
| Unit of measure | BDL |
| Item weight | 48 lb |
| Style / Category | Roofing Insulation |
| Applicable standards | UL Classified; FM Approved; ASTM C728, Type 1 |
| Description | Factory-fabricated insulation panel composed of expanded perlite with binders and fibers; pre-cut to several slopes for tapered applications |
Frequently Asked Questions (FAQ):
Q: What is the board made of?
A: It’s composed of expanded perlite blended with binders and fibers, forming a rigid roofing cover board.
Q: What are the panel dimensions and coverage?
A: Each panel is 2' x 4'. A bundle covers 32 sq. ft. and includes 4 pieces.
Q: What is the thickness of the D4 variant?
A: D4 panels range from 1.75 inches to 2.25 inches.
Q: Is it approved for commercial roofing systems?
A: Yes. It is UL Classified, FM Approved, and meets ASTM C728 Type 1.
Q: How does the tapered design help?
A: The pre-cut slopes facilitate positive drainage, helping minimize ponding water on the roof.
Sculpted Slope, Streamlined Roof
This tapered board shapes a roof with quiet precision, guiding water with architectural intention. Its perlite core offers a refined, lightweight strength, while the D4 profile builds elegant elevation without bulk. Pair it with clean-lined membranes and metal edge details for a crisp, contemporary silhouette. It’s a subtle yet essential layer that elevates performance and the poetry of a well-finished roof.
Choose Tapered FESCO today to achieve efficient roof drainage and proven thermal performance with trusted approvals.
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