Wholesale fiberglass and mineral wool insulation delivered direct to Concord. Same-day quotes, next-day delivery available across East Bay.
Concord is in IECC Zone 3C — requiring R-30 attic insulation for code-compliant construction.
We deliver stocked fiberglass and mineral wool to Concord the next business day from order confirmation.
No retail markup. Buy at wholesale — open to homeowners, contractors, and developers in Concord.
Pay when materials arrive. No upfront deposit to place your order or confirm your delivery window.
R-11 through R-49 in standard and high-density. Perfect for attics, walls, and floors. Ships to Concord in full pallets or mixed orders.
All ProductsNon-combustible, sound-dampening mineral wool for party walls, exterior walls, and commercial applications in Concord.
Mineral WoolMulti-pallet supply for Concord contractors, developers, and property managers. Coordinated delivery windows.
For ContractorsConcord is a East Bay city in Contra Costa County in IECC Zone 3C. Minimum R-values for new residential construction:
| Location | Minimum R-Value | Product |
|---|---|---|
| Attic | R-30 | R-30 or R-38 batts |
| 2×6 Exterior Walls | R-20 | R-21 high-density fiberglass |
| 2×4 Exterior Walls | R-13 to R-15 | R-13 or R-15 fiberglass |
| Crawl Space / Floor | R-19 | R-19 floor batts |
Tell us what you need — product, quantity, and delivery address in Concord. We confirm and quote the same business day.