Additions & New Builds · Portland Metro

Insulation & Air Sealing in Portland, OR

Most older Portland homes are under-insulated. We air-seal and insulate attics, walls and floors so rooms stay warmer and your heating works less.

CCB #262386 · Licensed, bonded & insured
Free on-site estimate · fixed written quote
Expected range: $2,000 – $10,000
Timeline: 1 - 3 days

Call or text(503) 962-9293

Insulation & Air Sealing by JOCS Construction in Portland, Oregon

What's Included

Insulation & Air Sealing, Done Start to Finish.

Attic insulation and air sealing
Blown-in wall insulation
Underfloor insulation
Old insulation removal
Duct sealing coordination
Rebate eligibility check

Expected range: $2,000 – $10,000 Timeline: 1 - 3 days

Expected range for most Portland-metro projects. Smaller jobs can come in under it; larger scope, premium materials or hidden damage can run higher. Your written quote is exact.

Get My Free Quote

How It Works

Four Steps. No Surprises.

Free Visit

We look at the job, measure and answer your questions.

Written Quote

A clear, fixed price in writing. No surprise add-ons.

We Build

One crew, one point of contact, weekly updates.

Walkthrough

We check every detail with you before we call it done.

Common Questions

Insulation & Air Sealing FAQ.

How much does attic insulation cost in Portland?

Most attic insulation and air sealing jobs run $2,000-$5,000.

Are there insulation rebates in Oregon?

Sometimes. Energy Trust of Oregon and other programs change, so we check what your home may qualify for.

What about my crawlspace?

See our crawlspace repair page for floor insulation, vapor barriers and encapsulation.