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TRUSTED BY RAINIER, OR HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon148
    Verified drywall insulation services reviews

Top-Rated Drywall insulation pros in Rainier - Updated Nov 2026

Avatar for JR Insulation Drywall, Inc.
JR Insulation Drywall, Inc.
4.6(
67
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Rainier, OR and surrounding areas

Approved

In business since 2004

Free estimates

Emergency services offered

"Eduardo came out to look at the job and by the end of the day I had a bid in had. The work was completed within that same week. They were super clean, quick and efficient. We could not be happier with their work. We will definitely use JR's again for any future drywall work."
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7 neighbors recently requested a quote
Recommended by91%of homeowners
Avatar for Northwest Weatherization
Northwest Weatherization
4.8(
154
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Rainier, OR and surrounding areas

Approved

In business since 2010

Free estimates

Credit card accepted

"We re-sided our 1929 house recently, and during the tear-off phase it was the perfect time to have blown-in insulation performed to insulate our exterior walls. Ryan and his crew worked quickly and we are so much more comfortable with our walls finally insulated. We had a minor repair needed as a result of the drilling, and the company worked quickly to resolve it to our satisfaction. I will happily recommend them to others, and feel like this project pays for itself quickly in terms of energy efficiency and comfort."
Attic Blow
Our tech went out to check the progress of the job, customer service is our priority.
Crawlspace
Wall drill & blow
Attic Blow

+12

7 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for HomeRx
HomeRx
4.3(
110
)
Blown-In Insulation - Install or Upgrade

Serving Rainier, OR and surrounding areas

Approved

Super Service Award Winner

In business since 2013

Free estimates

Credit card accepted

"Insulate attic kneewalls; blow in ceiling insulation. Good knowledgeable estimator. Good installers. Professional job, clean afterwards. I'd hire them again."
Masking off rooms
West Seattle custom
 Lead safe practices
Yard taped off for Lead Safe
 Keeping your home clean is important to us

+12

Response time1 day
170 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for Alpha Energy Savers
Alpha Energy Savers
4.3(
39
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Rainier, OR and surrounding areas

In business since 1979

Free estimates

Credit card accepted

"I contacted 3 companies and they were all wonderful. They came out and gave different bids. They were all very experienced and very good about getting back to me. They were all very helpful and customer oriented. It was only for financial reasons that I had to put off the work. It was for underneath insulation like in a crawl space of the main floor. Only Alpha could do the entire job because of the skill set. They quoted me $1800 and because it was before the end of the year, there would have been a $600 tax credit. So the net cost would have been about $1200. The other 2 quotes were higher on that account. The timing of the work was based on the fact that I had a delay in updating my kitchen. I was hoping that it would be done quickly because they had to have my new sink put in and have all the new plumbing done before they could do the insulation underneath. It was a spray on thing to close up the holes in the bottom of the cabinets which were bigger than the plumbing and breached all the cold air. They were awesome. I will go to them when I have the money to get the work done. As far as affordability, overall professionalism and the fact that they could do the whole job is concerned, they were very good."
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Recommended by87%of homeowners
Avatar for The Renovation Company
The Renovation Company
4.5(
73
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Rainier, OR and surrounding areas

In business since 2011

Free estimates

Credit card accepted

"Mark immediately answered his phone (not very many contractors do that).  Since he was in the area, he came by a couple of hours later and gave me an estimate (best and worst case).  A few days later, a carpenter with many years experience began work on the opening.  He was able to move the walls just slightly so now the opening is plumb.  Only took a couple of hours to do the job.  He cleaned up afterwards, and now we are really to do the door installations.
"
Recommended by89%of homeowners
Avatar for DaBella - Portland
DaBella - Portland
4.4(
1,131
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Rainier, OR and surrounding areas

In business since 2011

Free estimates

Warranties offered

"Elisey showed up to my house and was very friendly, after his inspection, he warned me about the leaks in my siding, he explained to me why it was happening and how to fix it. They got the work done and now it looks new again and I know I’m protected. Elisey and his company know what they’re doing and I was in good hands."
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+26

Recommended by89%of homeowners
Avatar for Lifetime Windows and Doors Inc
Lifetime Windows and Doors Inc
4.6(
241
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Rainier, OR and surrounding areas

In business since 1998

Free estimates

Credit card accepted

"Lifetime Windows and Doors is a very friendly, professional company.  Did a great job!  The price was relatively high, but very worth it.  Be cautious about just getting a vendor with the lowest price- quality costs more but in the end is a better choice.
"
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+11

Recommended by97%of homeowners
Ethereal Elements
4.5(
85
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Rainier, OR and surrounding areas

In business since 1993

Free estimates

Emergency services offered

"Ethereal Elements provided exceptional, professional and quality work repairing my basement wall leak. Dealing with Q was very easy, he is personable and to the point. Dale, who performed the work knew exactly what he was doing, he was quality oriented from start to finish. The work was completed on 4 October, I held off writing this feedback in hopes we would have a couple of extreme downpours so I could verify the basement would not leak. Q guaranteed the basement would not leak again, or they would come out and fix it. The cost of this job was reasonable and I was able to use the discount coupon. I would hire Ethereal Elements again."
Front Entry
Additional Photos
Front of Garage
After Framing Repair
Siding Installation

+2

Recommended by92%of homeowners
Avatar for Sun Glow Inc
Sun Glow Inc
4.5(
87
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Rainier, OR and surrounding areas

In business since 1972

Free estimates

Emergency services offered

"I worked with the installer on the installation. The installation went well and the unit has worked well for the past 13 years. My only complaint is that there is no access panel to get to the heating coils and heat exchange which makes it more difficult to clean. They responded promptly on the service calls and got the problem fixed on the first visit. They were nice people to work with and the price was reasonable. I was happy with their service."
100% Customer Satisfaction
Recommended by88%of homeowners
Showing 1-10 of 29
Drywall Insulation FAQs, answered by experts

A utility knife is sharp enough to score the drywall and it may work in a pinch for outlet box holes. However, one of the best tools for drywall when you need to make exact cuts for an outlet box quickly is a drywall saw. This handheld tool has a longer blade than a utility knife, so it penetrates the thickness of the drywall easily. The design of its handle and the teeth in its blade make it easier to control while cutting quicker than you can with a utility knife.

Technically speaking, you can use drywall primer over plasters. However, oil-based primers work the most effectively on wall plasters. Meanwhile, water-based primers work just as well with drywalls. Nowadays, there are also universal primers suitable for drywall and plaster. Overall, you will be fine as long as you are using a trustworthy brand.

Yes, you can apply new plaster over an existing plaster surface, such as a wall or ceiling, provided the old plaster is in good condition. Before you begin, check the stability of the existing plaster. The surface must be clean, free of loose material, and have no peeling paint. It is also recommended to roughen the surface slightly to promote adhesion. For older plaster, applying a base coat like a PVA emulsion or a specific bonding agent or primer is crucial. This step makes the existing plaster less porous and ensures the new and old layers adhere properly for a smooth, long-lasting finish.

According to the EPA, mold grows within 24 to 48 hours if left untreated after a water leak. So unless you notice the leak and stop it right away, you only have a day or so before mold is a real concern. If you don’t notice the leak, it can take about three weeks for the mold spores to become visible. That means you’ve likely had an active mold infection for a few weeks by the time you notice discoloration.

You can put certain types of plaster over other types, but doing so isn't always the best idea. For example, putting a coat of gypsum over lime plaster is possible, but doing so will limit the lime plaster's breathability and potentially affect its performance.

Since cement plaster tends to leave a textured surface, no matter how much you smooth it, some people prefer to use gypsum plaster as a topcoat over cement plaster, creating a smoother surface.

The Rainier, OR homeowners’ guide to drywall insulation services

From average costs to expert advice, get all the answers you need to get your job done.