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TRUSTED BY LONGMONT, CO HOMEOWNERS

  • Average homeowner rating star icon4.7
    Average homeowner rating
  • Verified reviews icon506
    Verified drywall insulation services reviews

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

Avatar for RL Insulation
RL Insulation
5.0(
11
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Offers commercial services

"RL Insulation LLC has been an incredible partner on several commercial projects for my company. Their team is reliable, efficient, and consistently delivers high-quality work. They complete projects quickly without sacrificing attention to detail, and their professionalism makes them a pleasure to work with. If you're looking for an insulation company that gets the job done right the first time, I highly recommend RL Insulation LLC!"
Recent Projects
Recent Projects
Recent Projects
Recent Projects
Recent Projects

+2

Response time1 day
31 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for Trust Us Insulation
Trust Us Insulation
5.0(
20
)
Blown-In Insulation - Install or Upgrade

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2020

Free estimates

Offers commercial services

"Trust Us Insulation has great service. On-time, clean, and very professional. Insulation has only been installed a few weeks but I can feel a difference also on my energy bill, Thanks once again!"
Exterior top plate
Re-insulating attic
Re-insulating attic
Re-insulating attic
Exterior top plates

+10

Response time9 hrs
14 neighbors recently requested a quote
Recommended by38%of homeowners
Bestway Insulation, LLC
4.1(
286
)
Blown-In Insulation - Install or Upgrade

Serving Longmont, CO and surrounding areas

Approved

In business since 1976

Free estimates

Emergency services offered

Home Pro of the Year in 2010 (Service Magic)Home Performance Contractor of the Year for the last 8 out of 10 years. We are a company that specializes in re-insulating existing homes by using blown-in insulation and getting huge reductions on our customers energy bills by Air Sealing and compressing fiberglass or rockwool in the walls and Dense packing it tight.Where most companies are happy getting 10%energy reductions on their clients homes, we want 50% or higher. Our family has owned and operated Bestway Insulation, LLC, in Colorado since 1976. Born & raised CO. Top Rebate producer for air sealing in 2009 - 2021. Home Performance with energy star Contractor of the year 21 out of 23 Years starting with NREL when they were doing it in 1996. I want huge results for my clients.

Response time1 day
20 neighbors recently requested a quote
Recommended by79%of homeowners
Avatar for Empower Insulation, LLC
Empower Insulation, LLC
5.0(
11
)
Blown-In Insulation - Install or Upgrade

Serving Longmont, CO and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"Empower Insulation did a fantastic job installing insulation at my house. They were professional, efficient, and made sure everything was done right. I really appreciated their attention to detail and how clean they left the space afterward. Highly recommend them if you’re looking for quality insulation work!"
Custom Home New Build
Custom Home
Custom Home
Insulation Attic
Insulation Removal

+11

Response time1 day
4 neighbors recently requested a quote
Avatar for DINO Insulation, LLC.
DINO Insulation, LLC.
5.0(
15
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Longmont, CO and surrounding areas

Approved

In business since 2021

Free estimates

Offers commercial services

"Alvin is a very good worker and takes pride in his work. The spray foam work is amazing and I definitely recommend it. I had insulation done as well and had no complaints. Everything from business to work is great with DINO insulation."
Attic
Attic
attic
Spray foam
Spray foam

+15

Response time1 day
5 neighbors recently requested a quote
Recommended by85%of homeowners
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Drywall Insulation FAQs, answered by experts

When choosing materials for finishing basement walls, consider factors such as moisture resistance, durability, and fire resistance. Opt for materials specifically designed for basement environments, like moisture-resistant drywall or cement board. Insulation with vapor barriers can help regulate temperature and prevent condensation. Consider using mold-resistant paints or coatings. 

Research and consult with experts to select materials that are suitable for your specific basement conditions and intended use. Prioritize quality and compatibility to achieve long-lasting and aesthetically pleasing results.

If you suspect black mold is inside your walls, do not punch a hole in the drywall yourself to look. Call a mold inspection expert to help you. Some signs of a potential black mold infestation inside the wall include an unexplained musty, damp smell. Some people liken it to rotting vegetables. You may smell it most strongly through a wall outlet. If you and your family are experiencing constant coughing or symptoms that feel like an unexplained allergy, it could indicate black mold behind a wall.

You should not leave drywall outside, especially overnight or in a wet, humid climate. Exposure to rain and humidity can damage the drywall, weakening its structural integrity and making it susceptible to mold growth. If you must leave drywall outside during a project, be sure to cover it with a tarp or keep it inside a storage shed to protect it. Even drywall intended for exterior projects requires a protective moisture barrier. For best results, store any extra drywall in a dry area away from the elements.

Yes, wainscoting is installed directly over drywall. However, ensure the drywall is in good shape since it will support the wainscoting. If the drywall has issues, such as holes, mold, or mildew, repair them before installing the wainscoting. Alternatively, you can install a plywood substrate before attaching the trim.

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 Longmont, CO homeowners’ guide to drywall insulation services

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