ROCKWOOL Comfortbatt R-15 Stone Wool Insulation Batt 3-1/2 in. x 23 in. x 47 in. (60.1 sq. ft.). Genuine ROCKWOOL product, model RXCB3523, UPC 774783423621. In stock at Partner Supply, Brooklyn, NY, with fast delivery across NY, NJ and CT.
Overview
Comfortbatt R-15 in the 23 in. x 47 in. size is a 3-1/2 in. stone wool batt for 2x4 wood walls framed 24 in. on center. Each bag has 8 batts covering 60.1 sq. ft. The flexible edge lets the batt compress on the way in and expand to fill the cavity so there are no gaps around the edges.
It is unfaced, non-combustible and water repellent, and it also absorbs sound. Uses include exterior walls, basement walls, crawlspaces, attics and cathedral ceilings. Cut it with a serrated knife; no stapling or facing is needed.
Key features
- Stone wool batt with a flexible edge that compresses on insertion and springs back to fill the stud cavity (manufacturer).
- Non-combustible; Flame Spread Index 0 / Smoke Developed Index 0 per ASTM E84 (UL 723); non-combustible per ASTM E136 at 750 C.
- Complies with ASTM C665 Type 1 mineral fiber blanket insulation; density greater than 1.8 lb/ft3 (ASTM C167).
- Water repellent; passes fungi resistance test; does not rot or support mold or mildew growth.
- Unfaced, friction-fit installation; cuts with a serrated knife.
- GREENGUARD Gold certified for indoor air quality.
- Provides sound absorption in addition to thermal resistance.
Specifications
| Brand | ROCKWOOL |
|---|---|
| Model / MPN | RXCB3523 |
| UPC / GTIN | 774783423621 |
| ROCKWOOL item # | 169082 |
| Product type | Mineral Wool Insulation |
| R-value | R-15 |
| Size | 3.5 in. x 23 in. x 47 in. |
| Thickness | 3.5 in. |
| Facing | Unfaced |
| Coverage | 60.1 sq. ft. per bag |
| Pieces per package | 8 |
| Fits | 2x4 wood stud walls 24 in. o.c. |
| Weight | 49.2 lb |
| Condition | New |
Quick answers
How much does one bag cover?
One bag covers 60.1 sq. ft. (8 pieces, 3.5 in. x 23 in. x 47 in.).
What framing does it fit?
2x4 wood stud walls 24 in. o.c.
What is the UPC of ROCKWOOL RXCB3523?
The UPC (GTIN) is 774783423621.
Is it in stock and how fast can I get it?
Usually in stock at our Brooklyn yard. Order online or on WhatsApp at 718-406-4455 for pickup by appointment at 21 Ingraham Street, Brooklyn, NY 11206, or fast delivery in NY, NJ and CT.
Stocked in our warehouse: free pickup, or local delivery to your site for a flat $75 per order. Outside our local area, choose Shipping: we quote the carrier rate after you order and hold the order until you approve it.
Unused items in original packaging can be returned within 30 days.