Spray Foam Insulation in Grants Pass, OR

Find top-rated spray foam contractors and save up to 35% on energy bills

Compare 3 verified spray foam insulation contractors serving Grants Pass, Oregon, backed by 46 customer reviews averaging 4.8★. Whether you're insulating a new build, retrofitting an existing home, or upgrading attic and crawl-space insulation, these pre-screened Grants Pass contractors handle both open-cell and closed-cell spray foam. Homeowners here typically cut energy bills by around 35% — get free quotes and read verified reviews below.

💰 Estimated Energy Savings in Grants Pass

35%
Average Energy Savings
Typical range: 30% - 40%
$1,596
Estimated Annual Savings
Based on $380/month average energy cost
4 years
Average Payback Period
Return on investment timeline

Note: Actual savings vary based on home size, current insulation, energy rates, and climate conditions. These estimates are based on Department of Energy data for Cold.

Verified Contractors in Grants Pass

Direct: (541) 862-2183

5
3 Google reviews

Recent Reviews:

Julie Niles-Fry★★★★★5 years ago

Really nice people, reliable, punctual, great price. Leo is a kind and down to earth man with 48 years in the business. Leo came out at 7am to give an estimate and on service date his team arrived promptly and was ready to work at 7am as scheduled. It was refreshing to have efficient people who understand customer service. Hire Leo’s Insulation!

Dan Mccurdy★★★★★6 years ago

Friendly people

Laura Manning★★★★★4 years ago

Leo came out and gave me a very good price to fix my insulation under my house. He did the job the NEXT day! Great work! Very professional, reliable, prompt, and did MORE work in the basement than he even needed to do without charging me extra!!! The work was fabulous! HIGHLY recommend Leo’s Insulation!!!

4.9
22 Google reviews

Recent Reviews:

D M★★★★★3 months ago

Jarrett came out to evaluate my existing attic insulation. I had been looking for ways to keep the house warmer in the winter and thought this may be a good solution. He crawled up through an awkward makeshift entry point and into the attic. When he came back down he explained the standards and that I actually had a good amount of insulation. Even though I was not going to be a customer at this time Jarrett spoke with me at length about how to assess and determine weatherization remedies. I was so touched to meet with a contractor who was professional, neutral and genuine. He gave me a lot of good ideas. I would absolutely use them for any future drywall project or insulation work in the future based on his integrity.

Grant Klopmeyer★★★★★a year ago

Quick, easy, and awesome. Provided free attic insulation since I was eligible for the energy trust incentive program all within a week!! I told my next-door neighbor, and they are eligible and are receiving the same!

phil burgess★★★★★a year ago

GP drywall and insulation did a great job insulating my attic. The guys were professional and cleaned up everything perfectly. I strongly recommend them.

4.4
21 Google reviews

Recent Reviews:

Kellie Christensen★★★★★8 years ago

If Yelp offered more stars I would gladly give them!What an outstanding experience-from many questions at the beginning (to John at the office) to completion of the job. We had our entire attic vacuumed out and re-insulated. Tim and Robert were VERY thorough and sealed all the gaps around wires up there, built baffles where needed, checked the ratings on all of our lights to get Insulation around them properly and even helped us by ripping plywood and screwing it down so we would have a nice solid storage area. The cleanup was excellent. SO glad we were referred to them. Very happy with the service and price!

Gail Schoeneberg★★★★★3 years ago

Called Southern Oregon Insulation in regards to adding attic insulation in my home. After remodeling and installing lots of can lighting etc. the insulation was really beat down. Jim came over and assessed the situation and gave me an estimate. Was fair price and able to perform the work in a professional and timely manner. Even helped with the Energy Credit paperwork. Totally happy with their service and product quality. I highly recommend them!

david hudson★★★★★5 years ago

Outstanding job. Done by outstanding workers. Very efficient, extremely professional. Would HIGHLY recommend Shane's team of professionals to anyone interested in a strictly first class job. A little pricey, but, worth every penny.

Frequently Asked Questions — Spray Foam Insulation in Grants Pass

These are the questions Grants Pass homeowners ask most about spray foam cost, R-value, and open- vs. closed-cell foam — with context for local pricing and roughly 35% typical energy savings. Compare the 3 verified Grants Pass contractors above for exact quotes.

How much can spray foam insulation save on heating and cooling bills in Grants Pass?
Homeowners in mixed climates like Grants Pass, OR typically see 20–30% reductions in total energy costs after spray foam installation. The savings come from both reduced heating in winter and reduced cooling in summer. The exact savings depend on your home's current insulation, size, and local energy rates, but most homeowners recoup the investment within 3–6 years.
Is spray foam better than fiberglass insulation for homes in Grants Pass?
For most homes in Grants Pass, OR, spray foam outperforms fiberglass significantly. Fiberglass batts insulate but do not air seal — meaning conditioned air still escapes through gaps. Spray foam both insulates and creates an airtight seal, addressing the root cause of energy loss. While spray foam costs more upfront, the performance difference in mixed climates makes it the better long-term investment for most homeowners.
Is spray foam insulation worth the cost?
For most homeowners, yes. Spray foam creates an air-tight seal that traditional insulation cannot match, reducing energy bills by 15–35% annually. It also adds structural rigidity, acts as a moisture and vapor barrier, reduces outside noise, and can increase home resale value. The higher upfront cost compared to fiberglass is typically recovered within 3–7 years. One important note: because spray foam creates a very tight building envelope, proper mechanical ventilation is important to maintain healthy indoor air quality and prevent interior moisture buildup. This is typically handled by an Energy Recovery Ventilator (ERV) — a system that brings fresh outside air in while pushing stale air out, recovering the energy from the outgoing air so you don't waste what you paid to heat or cool — or a Heat Recovery Ventilator (HRV), which works similarly but is optimized for cold climates. A qualified contractor will assess whether your home needs ventilation upgrades as part of the installation.
How much does spray foam insulation cost in Grants Pass, OR?
In Grants Pass, OR and the surrounding area, spray foam insulation typically costs $1.00–$3.00 per square foot installed, depending on the type and your home's specifics. Open-cell foam runs $0.44–$0.65 per board foot, while closed-cell foam costs $1.00–$2.00 per board foot. A typical 2,000 sq ft home attic in Grants Pass costs $2,000–$6,000. Most Grants Pass homeowners recoup this investment within 3–7 years through energy savings of 15–35% annually.
What is the difference between open-cell and closed-cell spray foam?
Open-cell spray foam is softer, less dense, and less expensive. It expands significantly and is ideal for interior walls, attics, and soundproofing. Closed-cell spray foam is denser, stronger, and provides a moisture barrier — making it better for exterior applications, crawl spaces, and areas prone to flooding or humidity. Closed-cell also has a higher R-value per inch (R-6 to R-7 vs R-3.5 to R-4 for open-cell). One key difference: open-cell foam allows some vapor movement, while closed-cell acts as a vapor barrier — an important consideration for your home's ventilation needs.
How long does spray foam insulation last?
Spray foam insulation is one of the most durable insulation options available, with a lifespan of 80+ years when properly installed. Unlike fiberglass batting which can sag and settle over time, spray foam maintains its shape and insulating properties indefinitely. It will typically outlast the building it is installed in.
How do I find a qualified spray foam insulation contractor in Grants Pass, OR?
When searching for a spray foam contractor in Grants Pass, OR, look for ones who are licensed, insured, and have verifiable reviews. Spray foam requires specialized equipment and training — improper installation can cause off-gassing, adhesion failure, or fire hazards. Ask for references, verify their insurance, and get at least 2–3 quotes. A qualified Grants Pass contractor will also assess your home's ventilation needs — a tightly sealed spray foam installation requires adequate mechanical ventilation to prevent moisture and indoor air quality issues. FoamMatch pre-screens all listed contractors in Grants Pass for licensing and insurance so you can compare verified professionals in your area.
How long does spray foam installation take?
Most residential spray foam jobs take 1–2 days depending on the size of the area. A standard attic takes 4–8 hours. After spraying, the foam cures within 24 hours, though most contractors recommend waiting 24–72 hours before occupying the space due to off-gassing during the curing process.
Does spray foam insulation need to be replaced?
No — spray foam insulation does not need to be replaced under normal circumstances. Unlike fiberglass insulation which degrades over time, spray foam maintains its R-value and air sealing properties for the life of the building. The only reasons to remove or replace spray foam are water damage, renovation work, or improper original installation.

Spray Foam Contractors Near Grants Pass, OR

Not finding the right fit in Grants Pass? Many spray foam contractors travel to nearby towns. These communities within about 60 miles all have verified contractors listed.