Connecticut construction and energy retrofit market. We deliver fiberglass and mineral wool insulation to Hartford contractors, builders, and property owners — next business day on stocked products.
Zone 5A — cold humid, R-15 minimum 2×4 walls, R-49 required attic, high mineral wool demand. The insulation requirements below apply to Hartford, Connecticut under the IECC 2021 energy code.
We stock the full range of fiberglass and mineral wool batts. Commonly ordered in Hartford: R-15 HD, R-21 HD, R-49, R-38.
Orders placed before 3pm ship next business day. We confirm the delivery window when you order so you can plan around it.
Trade pricing on every order — no account required, no minimums. See how wholesale compares to retail →
Inspect your order before you pay. Zelle, Venmo, or check — no upfront deposit. How it works →
Call or text with your R-value, quantity, and delivery address. We respond the same business day.