SKU: 66275645487

Johns Manville Tapered FESCO Perlite-Based Cover Board, D4 (1.75"–2.25"), 2' x 4', 32 Sq. Ft. Bundle

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Description

Johns Manville Tapered FESCO Perlite-Based Cover Board, D4 (1.75"–2.25"), 2' x 4', 32 Sq. Ft. BundleTapered 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

Tapered 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.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 66275645487

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4.4 ★★★★★
Based on 19 reviews
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Verified Purchase
J. Germello
Omaha, US
★★★★★ 5
Cooling fabric is Just what I needed
Color: 03-black, Size: 20" X 26" (Pack of 4)
I'm a hot sleeper. These cooling pillow cases are fantastic. It has ended soaked pillow cases. I paired these with waterproof pillow cases for extra pillow protection. I now sleep cooler and wake up dry. I also toss and turn less and wake up less frequently hot, sweaty and uncomfortable and I can sleep though the night. I don't need to flip my pillows over because of sweat. Both sides of these pillow cases have arc chill cooling fabric. They're soft, silky, breathable and comfortable to lay my head on. The colors to choose from is a wide selection. These look great on my king size bed. I love this fabric so much that I upgraded all of my pillows and blanket sheets to cooling fabric. I'm sold on these. The zipper is premium, sturdy and durable. My pillows fit perfectly on these cases. The cooling material is top notch high quality to me with great craftsmanship. I liked these ones so much that I bought more and plan to again. My partner seen and felt these and immediately went online to buy some blankets to go with the pillow cases I gifted. I also bought my son these and a few cooling blankets. These work best with a fan or air conditioner. Highly recommended and you won't regret this purchase if you're a hot sleeper to profusely sweating during sleep.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
D
Verified Purchase
Dawn H
Alexandria, US
★★★★★ 5
Cool and comfy!
Color: 01-grey, Size: 20" X 26" (Pack of 2)
Very comfy and cooling. Great for hot sleepers!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 3, 2026
Verified Purchase
👍
San Leandro, US
★★★★★ 5
keeps pillow secured and cool
Color: 05-purple, Size: 20" X 26" (Pack of 4)
just what I was looking for. A cooling pillow case with a zipper! my regular pillow cases slipped off my pillows So annoying. Now my pillows are staying put zipped in. so soft and cool. no more wrestling with the pillow case while trying to flip my pillow over trying to find a cool spot.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
C
Verified Purchase
Chris
Omaha, US
★★★★★ 4
Color is off, feels decent
Color: 07-beige, Size: 20" X 26" (Pack of 2)
Feels nice and very cooling to the touch. Although you can tell it definitely isn't cotton. I ordered the color beige but it is much more of a cream color.
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Reviewed in the United States on February 23, 2026
A
Verified Purchase
Amazon Customer
Battle Creek, US
★★★★★ 5
Good quality and value!
Color: 01-grey, Size: 20" X 26" (Pack of 2)
Washed nicely and cooled pretty well! Love thaf they stay on the pillow for my ASD son. Just what I was looking for! Would recommend!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 18, 2026

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