Atlas ACFoam-III Grade-II Polyiso CGF Roof Insulation, 3 in. x 4 ft. x 4 ft., 20 psi
SKU: 25589837927

Atlas ACFoam-III Grade-II Polyiso CGF Roof Insulation, 3 in. x 4 ft. x 4 ft., 20 psi

$307.93 $342.14
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Description

Atlas ACFoam-III Grade-II Polyiso CGF Roof Insulation, 3 in. x 4 ft. x 4 ft., 20 psi3 in. Polyiso Roof Insulation Board, 4x4, 20 psi Closed cell polyisocyanurate roof insulation with fiber reinforced organic felt facers for durable thermal performance. This 3 inch board delivers long term thermal resistance (LTTR) in a compact 4 ft. x 4 ft. sheet, ideal for commercial and residential roofing assemblies. Key Features: Durable Construction: Closed cell polyiso core bonded to non asphaltic, fiber reinforced organic felt facers for

3 in. Polyiso Roof Insulation Board, 4x4, 20 psi

Closed-cell polyisocyanurate roof insulation with fiber-reinforced organic felt facers for durable thermal performance. This 3-inch board delivers long-term thermal resistance (LTTR) in a compact 4 ft. x 4 ft. sheet, ideal for commercial and residential roofing assemblies.

Key Features:

  • Durable Construction: Closed-cell polyiso core bonded to non-asphaltic, fiber-reinforced organic felt facers for strength and moisture resistance
  • High Compressive Strength: Grade-II 20 psi rating supports typical roofing loads
  • Thermal Efficiency: Designed to provide long-term thermal resistance (LTTR) across roofing systems
  • Code Compliant: Meets major standards including ASTM C1289, CAN/ULC-S704, UL and FM approvals, Miami-Dade and Florida Product Approvals
  • Convenient Size: 3 in. thickness in a 4 ft. x 4 ft. board for easy handling and layout

Specifications Table:

Specification Details
Product Name ACFoam-III Grade-II Polyiso CGF Roof Insulation
Dimensions 3 in. x 4 ft. x 4 ft.
Thickness 3" (76.2 mm)
Length 4' (1220 mm)
Width 4' (1220 mm)
Compressive Strength 20 psi (Grade-II)
Core Material Closed-cell polyisocyanurate (polyiso)
Facers Non-asphaltic, fiber-reinforced organic felt facers
Area Coverage 256 sq. ft. per unit
Weight 10 lb (per item listed)
Style Polyiso
Applicable Standards/Approvals ASTM C1289; CAN/ULC-S704; CCMC No. 12423-L; UL Certified for Canada; UL 1256; UL 790 (ASTM E108); UL 263 (ASTM E119); UL 1897; FM 4450/4470; IBC Chapter 26 & NBC; California State; Miami-Dade County Approved; Florida Product Approved; Greenguard Certified; RCI Approved; NRCA Approved; AIA Approved; U.S. Green Building Council Member

Frequently Asked Questions (FAQ):

Q: What are the board dimensions and thickness?
A: Each board is 4 ft. x 4 ft. with a 3 in. thickness.

Q: What is the compressive strength rating?
A: Grade-II board with a 20 psi compressive strength.

Q: What facers are used on this insulation?
A: Non-asphaltic, fiber-reinforced organic felt facers are integrally bonded to the polyiso core.

Q: Which codes and standards does it meet?
A: Complies with ASTM C1289 and CAN/ULC-S704 and carries multiple UL and FM approvals, plus Miami-Dade and Florida Product Approvals.

Q: Where can I find technical documentation?
A: Product data sheet, SDS, fastening guide, specification guide, EPD, and approvals are available via Atlas resource links.

Sculpted Warmth for the Modern Roofline

This polyiso board streamlines the silhouette of a roof while quietly elevating performance. The fiber-reinforced felt facer offers a refined, matte plane that layers beautifully beneath membranes. Pair it with crisp metal edge details to create an intentional, tailored profile. Consider it a discreet luxury—essential insulation that perfects comfort and form.

Choose Atlas ACFoam-III to add reliable thermal performance and code-ready strength to your next roofing project.

Warranty

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: 25589837927

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4.8 ★★★★★
Based on 1353 reviews
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bill a.
Carnegie, US
★★★★★ 5
Awesome
Color: Orange
Awesome Toy . My Jack is crazy over it. She usually get bored with others, but this toy still has her attention after a couple of weeks Runs a long time on a short charge. 👍🏻
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
C
Verified Purchase
Chad
Cuba, US
★★★★★ 2
Not the Fetch-Fest I Hoped For
Color: Orange
I had high hopes for the PetDroid Interactive Dog Ball, especially with the newly upgraded features and promises of durable, motion-activated fun. Unfortunately, it didn’t quite live up to expectations for my furry friend. Here’s why I’m giving it 2 stars. Promising Features, Lackluster Results The idea behind this toy is fantastic: a durable, motion-activated ball that would entertain my dog without much effort on my part. The ball is supposed to roll around on its own, keeping my dog engaged and active. However, in practice, it just didn’t capture my dog’s interest. Durability I will give credit where it’s due: the ball is well-made and seems durable. It can withstand some rough handling, which is great for more aggressive chewers. Unfortunately, durability doesn’t mean much if your dog won’t play with it in the first place. Motion Activation The motion activation feature is hit or miss. While the ball does move around as advertised, it didn’t seem to move in a way that intrigued my dog. He gave it a sniff, watched it for a minute, and then walked away, unimpressed. I tried multiple times to get him interested, but he simply wasn’t having it. Lack of Engagement The biggest issue is that the ball just didn’t engage my dog at all. It might be more suitable for a different personality type or breed, but for my pooch, it was a total flop. He’s usually quite playful and curious, so I was surprised by his lack of interest. Final Thoughts Overall, the PetDroid Interactive Dog Ball might work for some dogs, but it was a miss for mine. If your dog is easily entertained by automated toys, it might be worth a try. However, based on my experience, I can’t wholeheartedly recommend it. Pros: Durable construction Motion-activated as advertised Cons: Did not engage my dog Motion activation wasn’t intriguing enough Might be more suitable for specific dog types or personalities If you decide to give it a shot, just be prepared for the possibility that your dog might not find it as entertaining as you hope. For us, it’s back to the drawing board for a more engaging toy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 14, 2024
S
Verified Purchase
Sally
Natrona Heights, US
★★★★★ 4
Pup Loves It, Some Other Notes
Color: Orange
We've had this for about six months and my 75 lb, 14-month-old German Shepherd pup LOVES IT. Her favorite is "Crazy Bouncing Mode." In fact, she doesn't care much for the normal mode. She chews it a lot - even drops it in her water bowl at times - and it's still going strong. This is a great purchase. It's nice hands-off entertainment. Do know that it is heavy compared to a normal ball - if your pup likes dropping it on the ground like mine does, it will land with a hard "thud," even with the included sleeve. Hopefully you don't have downstairs neighbors. Also know that the cover that goes over the charging port is removable and your dog may choke on it if they chew it in just the right manner. Definitely only let the pup play with it while supervised. All in all, great toy.
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Reviewed in the United States on February 11, 2026
J
Verified Purchase
jewelrycook
Draper, US
★★★★★ 5
Bouncy, not hard, and good value.
Style: Fetch Balls (Pack of 10), Size: 2.5 inch
Great balls for the ball launcher and not rockhard like some of the solid rubber balls. These have great bounce, and because of the two holes, they make a fun whistling noise as they fly through the air. My dogs love them and they are a good value. By the way, if you throw them too hard, they will go through chain-link and no climb fence because they squish a bit!
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Reviewed in the United States on February 16, 2026
I
Verified Purchase
IT Secure Force
Phoenix, US
★★★★★ 5
Excellent dog balls — safe design and very durable
Style: Fetch Balls (Pack of 3), Size: 2.5 inch
These fetch balls from Amazon Basics are fantastic, and my dog absolutely loves them. One of the biggest reasons I prefer these over other brands is the hole that runs through the center of the ball. This is a very important safety feature: if a dog were to accidentally get the ball stuck in the back of the throat, the hole allows air to pass through. That small detail could literally make a life-saving difference. Aside from the safety benefit, they bounce well, are easy to clean, and hold up to a lot of playtime. They’re firm but not rock-hard, and my dog goes crazy for them. Great value, great quality, and a thoughtful design. Highly recommended for dog owners who want a safer alternative to standard solid rubber balls.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 1, 2025

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