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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.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.0 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 4
Fun, both heartwarming and heartbreaking
Format: Kindle
Only my second first person written selection, I am still getting used to that aspect, but unlike my first, I enjoyed that the story was told through both MCs. A great enemies to lovers, forced proximity, fated love etc, that resonated to me. There were some small twists that I could see coming, but also a few that I didn’t quite see until the characters were also seeing. Personally, I am more interested in the story than the spice, but with that said, it was well seasoned! I am kind of new to the spice world so I can’t say for sure how this would rate, but it definitely had some heat. I am very glad I happened across this author, and I do plan on also reading the next book….if nothing else, just to see for myself the “transformation” of the characters I’ve grown to love!
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Reviewed in the United States on May 23, 2024
★★★★★ 5
😍😍 BEST DEBUT NOVEL EVER
Format: Paperback
I’m having trouble finding accurate words to describe the way this book made me feel, but I am going to do my best.
To start off with basic elements, the character and world building are phenomenal. I feel a strong bond to not only the two main characters, Ara and Rogue, but to each and every character introduced throughout the book. The author did a stellar job of giving each of them unique personhood. All of the scenes are beautifully described. So much so that throughout the entirety of the book, I could see every scene: the towns, the castles, the meadows, the landscape. I have had difficulty with this and with distinguishing between outlying characters while reading in the past, but I did not have to think to remember details of world or character building because they flowed naturally within the story and were described well. I have read book series before that made me want to be a part of that world, but I actually felt like I got to step into Auryna and Ravaryn!
The plot twists!! Although this is not a suspense novel, it still had me on a rollercoaster of emotions and on the edge of my seat from beginning to end. I haven’t cried actual tears over a book since I was in high school (and I’ve read a LOT). This book finally broke the floodgates in the final few chapters. Multiple times. And we love a good cliffhanger. It truly made me FEEL.
THE SPICE is a solid 3.5/5. Some of the scenes had me flushed, some had me taking notes, some just had my jaw slack and my mouth hanging open. Bravo, JD Linton, bravo.
The relationships: friendships, family, romantic, ALL of the relationships in this book have so much meaning. The author does a great job at making you feel the love, the anger, the peace, the frustrations, the safety, the familiarity, etc. between the characters.
Ara and Rogue. I can not say enough and I also do not want to say too much. Just know that I feel like I know them both, to their core. I know what their childhood looks likes, their darkest moments, their biggest fears, their dreams and passions, what they want in life… The POV switches were seamless. I am so happy this author decided to let us see from both sets of eyes.
I can not wait for book two after that cliffhanger. And there is SO much potential for at least one prequel, I can’t wait to see where this author goes! I hope this series continues and flourishes. Fingers crossed!
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Reviewed in the United States on December 5, 2022
★★★★★ 5
Amazing!
Format: Kindle, Format: Kindle
This book was phenomenal, I devoured it within a few days! For this being a debut novel, it is fantastic and I would’ve thought the author was a seasoned author. I have zero complaints about this book.
Let me start by saying that the world building was phenomenal. I could picture everything in my head because of how detailed it was — that’s how good it was written. And I absolutely love the “captive/captor” trope so much, it’s become one of my favorite tropes, so I was pleasantly surprised to see that this book had that.
I loved the banter between Rogue and Ara — they’re both snarky and witty, plus with the romantic tension, it made the dialogue that much better. Speaking of romantic tension, yes there is spice but not so much of it that it overrides the plot, which I loved. For me, this would probably be on the 3/5 level of spice.
This book had a ton of plot twists and I thoroughly enjoyed it.
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Reviewed in the United States on November 13, 2024
★★★★★ 4
High on Tropes and Satisfaction
Format: Kindle
This is a great Romantasy book full of action, adventure, and everything you look for in this genre.
I won’t lie: it does kinda feel like the author found every common trope from every successful book of this kind and threw them all into this novel. But if it ain’t broke, don’t fix it. Especially in romance, there’s a large audience who has specific expectations, and they want them every time. Nothing wrong with that and many times I’m one of them.
I have no idea what defines a spoiler honestly, so
spoiler alert!!!!!!!
Tropes include:
Only one bed at the inn/bar
Dissatisfaction with life before hunk appears
Lost royalty
The chosen one
Montage of dress up time followed by shocked hunk
Forbidden romance between two from rival peoples
Power that cannot be controlled, simply guided/asked
Gathering intel at the inn/bar
FMC who knows how to fight/use weapons well
There’s probably more but no need to list them all.
Good story and I would recommend!
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Reviewed in the United States on June 14, 2024
★★★★★ 5
OUTSTANDING
Format: Kindle
This was very, very good. The world is vast and characters are complex. There is a good plot with a whole lot going on. This is well written. Good twists and turns and some heart breaking moments. You will love these characters, they have heart and loyalty. I am hoping that there will be several more books. We've yet to see anything from the Sea Court but only a mention of them here and there. The Wood Court was given a quick couple of scenes, and only as far as some warriors, we've yet to enter their court and the Shadow Court, I'm not sure if they will be a force for good or bad, but they definitely will play a much bigger role moving forward. This is primarily the Ice and Air Courts. Told in multiple views, which I loved, it gives you a chance to see things from different eyes. There's alot of political maneuvering and deception. I loved it and will pick up the next book as it becomes available. If you like The Fae and the courts, you should love this. I think the author has mucn in store for us.
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Reviewed in the United States on March 8, 2020
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