SKU: 46948615393

Atlas ACFoam-II Polyiso Roof Insulation Board, 3.3 in. Thick, 4 ft. x 8 ft.

$461.90 $513.22
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Ships within 48 hours · Estimated delivery Jul 25 - Jul 30

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Description

Atlas ACFoam-II Polyiso Roof Insulation Board, 3.3 in. Thick, 4 ft. x 8 ft.3. 3" Polyiso Roof Insulation Board (4' x 8') Closed cell polyisocyanurate roof insulation board with fiber reinforced organic felt facers for superior long term thermal resistance. Ideal for commercial and residential low slope roofing systems, this 3. 3 inch thick board comes in a 4 by 8 foot sheet for efficient coverage. Key Features: High Thermal Performance: Polyiso core delivers strong LTTR for energy efficient roofs Durable Felt Facers: Non

3.3" Polyiso Roof Insulation Board (4' x 8')

Closed-cell polyisocyanurate roof insulation board with fiber-reinforced organic felt facers for superior long-term thermal resistance. Ideal for commercial and residential low-slope roofing systems, this 3.3-inch thick board comes in a 4-by-8-foot sheet for efficient coverage.

Key Features:

  • High Thermal Performance: Polyiso core delivers strong LTTR for energy-efficient roofs
  • Durable Felt Facers: Non-asphaltic, fiber-reinforced organic facers enhance strength and adhesion
  • Code Compliant: Meets ASTM C1289 and multiple UL, FM, and regional approvals including Miami-Dade and Florida Product Approval
  • Versatile Application: Suitable for a variety of low-slope roofing assemblies as cover or insulation board
  • Large Panel Size: 4' x 8' sheets simplify layout and speed installation

Specifications Table:

Specification Details
Product name 3.3" x 4' x 8' Polyiso Roof Insulation
Brand Atlas
Series ACFoam-II
Thickness 3.3"
Length 8' (2440 mm)
Width 4' (1220 mm)
Core material Closed-cell polyisocyanurate (polyiso) foam
Facers Non-asphaltic, fiber-reinforced organic felt facers
Unit of measure SQ | PLT | PC
Approximate weight 33 lb
Applicable standards/approvals ASTM C1289; CAN/ULC-S704; CCMC No. 12464-L; UL Certified for Canada; UL 1256; UL 790 (ASTM E108); UL 263 (ASTM E119); UL 1897; FM 4450/4470 Approved; IBC Chapter 26 & NBC; Miami-Dade County Approved; Florida Product Approved; UL Greenguard Gold Certified; RCI Approved; AIA Approved; U.S. Green Building Council Member; National Roofing Contractors Association
SKU manufacturer number AC2_054
Seller product number ATL33ISO
Coverage (listing note) 448 sq. ft. per unit (as listed)

Frequently Asked Questions (FAQ):

Q: What are the board dimensions and thickness?
A: Each board is 4 feet by 8 feet and 3.3 inches thick.

Q: What facers are used on this insulation?
A: It uses non-asphaltic, fiber-reinforced organic felt facers bonded to a polyiso foam core.

Q: Is this product code approved?
A: Yes—complies with ASTM C1289 and carries UL, FM, Miami-Dade, and Florida Product Approvals, among others.

Q: What is the typical use?
A: Designed for low-slope roofing systems to provide thermal insulation and a stable substrate within the roof assembly.

Q: How much does one board weigh?
A: Approximately 33 lb per board.

Sleek Thermal Armor for Modern Rooflines

This polyiso board brings a refined, architectural polish to roof assemblies while elevating performance. The fiber-felt facer offers a tailored, uniform surface that integrates beautifully beneath membranes. Layer it to sculpt a crisp, contemporary profile and harness impressive thermal efficiency. It’s a quiet luxury essential—clean, smart, and impeccably composed.

Boost your roof’s efficiency and reliability—choose Atlas ACFoam-II 3.3" Polyiso today.

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: 46948615393

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4.1 ★★★★★
Based on 20 reviews
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Product Reviews
R
Verified Purchase
Ryan
Cuba, US
★★★★★ 1
To flat dosent stay cool wish I would of ordered a more expensive one that stays cool and fluffier
Color: Black and White
Not as described wish I would of ordered a more expensive one that stays cooler and fluffer
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
C
Verified Purchase
Celeste
Lexington, US
★★★★★ 5
Perfect pillow
Color: Black and White
I love this pillow! At first I was afraid it was too thick but it's perfect. I have a lot of neck issues and this pillow has stopped all the pain that I used to feel when waking up! The price is good and it works great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 13, 2025
K
Verified Purchase
Kimberly
Bozeman, US
★★★★★ 5
Comfortable
Color: Black and White
I have slept so good after I got this pillow I wake up with no more neck pain and get a full nights rest and and love how my pillow stays nice and cool all the time
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 27, 2025
A
Amz Customer
Omaha, US
★★★★★ 5
Finally a Cooling Blanket That Actually Works for Hot Sleepers
Size: Queen (90" * 90"）, Color: Luxury Grey, Size: Queen (90" * 90"）, Color: Luxury Grey
I first got to know this brand when they released their cooling pillow. At the time, I was very skeptical because I’ve tried many “cooling” pillows and pillowcases from other brands, and almost all of them failed to stay cool throughout the night. Surprisingly, this brand was the first one that actually worked for me. Going through menopause has been extremely difficult, especially dealing with the constant heat and night sweats. I kept thinking that if they could somehow use the same cooling technology in a blanket, it would be amazing — and they actually did it. This blanket has honestly been a lifesaver for me. One side has the cooling fabric while the other side feels more like a regular blanket, so you can switch depending on the temperature or season. I’ve been using a silk comforter before this, and while it was comfortable, it really didn’t help much with overheating at night. This cooling blanket made a noticeable difference almost immediately. What impressed me most is that the cooling effect doesn’t just disappear after a few minutes. It stays comfortably cool and lightweight through the night without feeling damp or overly thin. Since using it, I’ve actually been tracking improvements in my sleep using my WHOOP device, and over the past 20 days I’ve noticed my deep sleep readings improving consistently. The blanket also feels well made, soft, and lightweight without feeling cheap. For the quality and performance, I think the price is very fair, especially compared to other “cooling” bedding products that overpromise and underdeliver. If you struggle with hot sleeping, night sweats, or menopause-related heat issues, I would absolutely recommend giving this a try. It genuinely improved my sleep quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
V
Vincent Wu
Battle Creek, US
★★★★★ 5
Great blanket for keeping cool, but doesn't magically defy physics.
Size: King（103“*90”）, Color: Luxury Grey
This blanket is pretty awesome, and functions exactly as stated; however you might get the wrong impression from the image of the blanket in a the snowy mountains glowing blue as if its actively cooling. The blanket has two sides, the "cold" and "normal" side -- the cold side is the one that has the Q-max 0.45 effect, it actually feels cool to the touch. That being said, covering yourself with this blanket feels pretty similar to using a down blanket with a silk (or some cooler) fabric. It feels quite cool initially but eventually your body puts out enough heat and it "runs out" of cooling. Although this blanket doesn't magically actively generate cooling, its quite effective because it operates fundamentally differently from most blankets. Most blankets are engineered to keep you warm by trapping heat in; this blanket is explicitly designed to draw heat away from your body. As such, it is extremely effective if you use a fan or run the AC, because your body heat is drawn away from the top surface and the inner surface can "grab" and remove more heat. As you probably know, air is a great insulator so this blanket has to be making contact with your body to achieve the cooling effect. If you are familiar with the way "Under Armor" works, I believe this blanket uses a similar principle to keep you cool. This blanket is quite light weight and comfortable, with a very silky (polyester) feeling outer surface. I have not owned this for a year yet, but I'm quite confident that this blanket would be suitable for winter (in Southern California); except if you live in a snowy region. 5/5 for a somewhat high tech blanket that keeps you cool; its the best in cooling you can get without resorting to "active" cooled blankets such as ones with water circulation.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026

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