Climate Zone 3B

Pasadena falls in IECC Zone 3B — requiring R-30 attic insulation and R-15 to R-21 for exterior walls.

Next-Day Available

Stocked fiberglass and mineral wool delivered to Pasadena as soon as the next business day from order confirmation.

Wholesale Direct

Buy direct at wholesale quantities — no retail markup. Same product, better economics for your project or crew.

No Deposit Required

Pay at delivery. We don't require a deposit to hold your order or confirm a delivery window.

What we deliver to Pasadena

Fiberglass Batts

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 Pasadena in full pallets or mixed orders.

View Products

Mineral Wool Batts

Fire-resistant, sound-attenuating mineral wool for exterior walls, party walls, and mechanical rooms. Dimensionally stable — no sagging.

Mineral Wool

Bulk Orders

Multi-pallet orders for contractors, developers, and property managers. We coordinate freight so your crew isn't waiting on materials.

Bulk Supply

Pasadena insulation requirements.

Pasadena is a historic San Gabriel Valley city in Zone 3B. IECC 2021 minimums for new construction:

Location Minimum R-Value Product
AtticR-30R-30 or R-38 batts
2×6 Exterior WallsR-20R-21 high-density fiberglass
2×4 Exterior WallsR-15R-15 fiberglass or mineral wool
Crawl Space / FloorR-19R-19 floor batts

Requirements vary by project type. Call us to confirm specs for your specific build.

Order insulation for Pasadena today.

Tell us what you need. We'll confirm availability and delivery timeline for Pasadena the same business day.