Wholesale fiberglass and mineral wool insulation. Direct delivery to Hayward and surrounding East Bay communities. Call for same-day quotes.
Hayward falls in IECC Zone 3C — requiring R-30 attic insulation and R-15 to R-21 for exterior walls.
Stocked fiberglass and mineral wool delivered to Hayward as soon as the next business day from order confirmation.
Buy direct at wholesale quantities — no retail markup. Same product, better economics for your project or crew.
Pay at delivery. We don't require a deposit to hold your order or confirm a delivery window.
R-11, R-13, R-15, R-19, R-21, R-30, R-38, and R-49. Available in standard and high-density. Ships to Hayward in full pallets or mixed orders.
View ProductsFire-resistant, sound-attenuating mineral wool for exterior walls, party walls, and mechanical rooms. Dimensionally stable — no sagging.
Mineral WoolMulti-pallet orders for contractors, developers, and property managers. We coordinate freight so your crew isn't waiting on materials.
Bulk SupplyHayward is a East Bay city south of Oakland in Zone 3C. IECC 2021 minimums for new 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-15 | R-15 fiberglass or mineral wool |
| Crawl Space / Floor | R-19 | R-19 floor batts |
Requirements vary by project type. Call us to confirm specs for your specific build.
Tell us what you need. We'll confirm availability and delivery timeline for Hayward the same business day.