Johns Manville Polyiso Rigid Insulation Board 2.6 in. x 4 ft. x 8 ft. (Sheet)
$58.64
Polyiso Rigid Insulation Board (2.6 in. x 4 ft. x 8 ft.)
Johns Manville polyisocyanurate (polyiso) rigid insulation board in a 4 ft. x 8 ft. sheet with 2.6 in. thickness. Designed for high-performance insulation applications where a rigid, easy-to-handle board format is preferred.
Key Features:
- Rigid Board Format: 4 ft. x 8 ft. sheet makes coverage straightforward for large areas
- High-Performance Insulation Core: Polyiso construction for efficient thermal insulating value in a slim profile
- Thickness for Build-Up: 2.6 in. board supports assemblies needing added insulation depth
- Jobsite Friendly Handling: Board-style insulation is easy to stage, cut, and fit as needed
- Category Fit: Intended for insulation and weatherproofing projects using flat rigid insulation boards
Specifications Table:
| Specification | Details |
|---|---|
| Brand | Johns Manville |
| Product name | Manv 2.6″ Iso 4’X8′ |
| Description | Johns Manville 2.6″ Iso 4′ X 8′ |
| Category | Insulation & Weatherproofing |
| Sub-category | Flat & Fan Fold Rigid Insulation Boards |
| Insulation type | Polyiso (ISO) rigid board |
| Thickness | 2.6 in. |
| Sheet size | 4 ft. x 8 ft. |
| Unit of measure | SH – Sheet |
Frequently Asked Questions (FAQ):
Q: What are the board dimensions and thickness?
A: Each sheet is 4 ft. x 8 ft. and 2.6 in. thick.
Q: What type of insulation is this?
A: It is a rigid polyiso (polyisocyanurate) insulation board.
Q: How is this product sold?
A: It is sold by the sheet (Unit of Measure: SH – Sheet).
Q: What category does this fall under?
A: Insulation & Weatherproofing → Flat & Fan Fold Rigid Insulation Boards.
Quietly Powerful Insulation, Cleanly Composed
There’s an understated luxury in materials that make a space feel effortlessly calm—this rigid polyiso board is exactly that kind of upgrade. In a generous 4′ x 8′ format with a substantial 2.6″ thickness, it supports enveloping comfort without demanding attention. Use it where performance matters most, creating a more stable, insulated shell that lets your finishes shine. It’s the behind-the-scenes essential that elevates everyday living.
Choose this Johns Manville 2.6 in. x 4 ft. x 8 ft. polyiso board to build a more comfortable, better-insulated assembly—one sheet at a time.
Reviews
"Got the 2-pack and the material feels solid and well-made. I've been using it daily for about two weeks now. Would buy again."
"Bought the starter kit and it fits true to size with no surprises. Used it at the desk for video calls all month. Packaging tape was loose on one end, product was fine. I'm in New Orleans, LA. Would buy again."
"Tracking info was accurate the whole way. It heats up fast and evenly. Took it on a road trip last weekend. Wish it came in more colors, otherwise great. Exactly what I needed."
"Got the white finish and it feels sturdy in the hand. It's been my go-to for morning coffee runs. I'm in Fresno, CA. Glad I went with this one."
"Went with the small and the build quality is better than the photos suggested. Brought it camping and it held up fine. Worth the money."
"Shipping was faster than I expected. Used it at the desk for video calls all month. Solid deal, no regrets."
"Got the navy version and it feels sturdy in the hand. Used it during a move and nothing shifted. Button is a bit stiff at first but loosens up with use. Shipping was quick and the item delivered."
"Got the travel size and the sound is clear without any static. It's handled my daily dog walks without issue. I'm in Chicago, IL. Exactly what I needed."
"Tracking info was accurate the whole way. It's handled my daily dog walks without issue. One minor scuff on the corner, purely cosmetic. Worth the money."
"Bought the starter kit and the battery easily lasts a full day of use. It's handled my daily dog walks without issue. Wish it came in more colors, otherwise great. Shipping was quick and the item delivered."
