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TRUSTED BY NORWALK, IA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon241
    Verified drywall insulation services reviews

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

Avatar for INSULATE IOWA LLC
INSULATE IOWA LLC
4.8(
175
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Norwalk, IA and surrounding areas

Approved

In business since 2008

Free estimates

Offers commercial services

"This is the second time I have hired L&L. They work fast, clean, and they know their stuff. I was wanting to insulate my vaulted ceiling that I suspected had very little insulation in it from the house being built 30 years ago. Other contractors wanted to rip all the drywall down to install but L&L said they could do a packed insulation that would warm the space and be air tight to avoid condensation issues. I have noticed a huge difference and at a fraction of the cost of others. I already have them lined up for another insulation project in the basement."
Before
After
1
2
1

+10

Response time1 day
Response rate100%
6 neighbors recently requested a quote
Avatar for Koala Insulation of Des Moines
Koala Insulation of Des Moines
4.7(
30
)
Blown-In Insulation - Install or Upgrade

Serving Norwalk, IA and surrounding areas

Approved

In business since 2022

Free estimates

Credit card accepted

"Koala Insulation kept me informed as to when they were coming, what they were going to do and how long it was going to take. They cleaned up before they left. I highly recommend Koala Insulation. ð"
Solar Fan
Soffit Vents
Baffles
Blown In and Baffles
BIB Insulation

+3

Response time5 hrs
Response rate97%
35 neighbors recently requested a quote
Avatar for AFI Insulation
AFI Insulation
4.4(
60
)
Blown-In Insulation - Install or Upgrade

Serving Norwalk, IA and surrounding areas

Approved

In business since 2014

Free estimates

Small jobs welcome

"This could not have gone any smoother. Despite having to re-schedule the original, 1st quoting appointment, Darren was here the very next day. I had a quote by the end of that 2nd day/appointment, was scheduled the next day for the following Monday and the 2-person team was in and out within 90 minutes. My kids didn't even wake up(granted, they could sleep thru the emergency siren!) but wow. My attic/crawl space is now fully insulated! All this while we are adjusting to our new normal of social distancing and heightened sanitary measures. I would use AFI again and would recommend them based on this experience."
Response time2 days
41 neighbors recently requested a quote
Recommended by90%of homeowners
Avatar for L & L Home Solutions With Universal Windows Direct
L & L Home Solutions With Universal Windows Direct
4.9(
88
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Norwalk, IA and surrounding areas

In business since 2008

Free estimates

Credit card accepted

"Abraham and his team were a fantastic help. Their service was life changing for our family. We live in a 120 year old home that had almost no insulation in the walls. Our HVAC could never keep up on cold, windy days. The last 3 winters there were times we had to go stay elsewhere as the home was too cold. Fast forward to this winter, after they completed the work we saw an immediate return. Bills went down and the home is comfortable. Heck there were times our HVAC stopped since it was so warm! They were very professional and worked around our hectic schedule. I would fully recommend them to anyone in need of insulation services."
Insulation Project
Insulation Project
Insulation Project
Insulation Project
Insulation Project

+2

Recommended by100%of homeowners
Avatar for L & L Home Solutions
L & L Home Solutions
4.8(
76
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Norwalk, IA and surrounding areas

In business since 2008

Free estimates

"This is the second time I have hired L&L. They work fast, clean, and they know their stuff. I was wanting to insulate my vaulted ceiling that I suspected had very little insulation in it from the house being built 30 years ago. Other contractors wanted to rip all the drywall down to install but L&L said they could do a packed insulation that would warm the space and be air tight to avoid condensation issues. I have noticed a huge difference and at a fraction of the cost of others. I already have them lined up for another insulation project in the basement."
Sidewall insulation
Sidewall insulation
Side wall dense pack
Over window
Interior dense pack

+11

Response time1 day
Recommended by94%of homeowners
Avatar for Retrofoam Iowa, Inc.
Retrofoam Iowa, Inc.
4.3(
44
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Norwalk, IA and surrounding areas

In business since 2000

Free estimates

Warranties offered

"Jeff Smith is based at the Waterloo office. He was very good at customer service & responded to my emails in a reasonable time given this is probably a busy time of the year (November) for them. I am having additional blow in insulation behind a knee wall & in the attic to bring me up to code. The work has not been completed yet. I am waiting for an energy audit. That is why I can only rate the company as a 3."
 Remove siding, inject product, replace siding.
 We fill the entire space...
 Between the studs-sealing the home
Homes we have insulated
Homes we have insulated

+6

Recommended by100%of homeowners
Showing 1-10 of 33
Drywall Insulation FAQs, answered by experts

Yes, even if you’re being careful, removing tile can damage your drywall to some degree. However, you can minimize the damage done to it by eliminating a majority of the grout and taking your time prying each tile off. Also, it's worth noting that you might have more drywall damages to deal with if your tile is set into the mortar.

If you're comfortable hanging drywall yourself, you may be comfortable finishing it. But it's worth noting that finishing drywall adds several steps to the process and a lot of waiting time. Hiring a drywall installer may be the way to go if you'd rather spend your time doing other things or are nervous about leaving a rough surface.

Deciding whether to repair or replace drywall can be tricky, but your top considerations should be the extent of the damage and what caused the damage. For instance, if you need to repair a small hole caused by a doorknob that hit the wall, you can safely patch it without a second thought. However, if you have significant drywall damage caused by water damage, it’s best to thoroughly remove the drywall to inspect and repair the pipes behind it before replacing it.

Whether you need a drywall anchor depends on the specifics of your project, particularly what you're hanging and where. You do not need a drywall anchor if you can screw or nail the object directly into a wooden stud, as the wood provides sufficient support and stability. However, if there are no studs in the location where you plan to hang the item, you should use drywall anchors to ensure it is securely supported. For very lightweight objects, like small pictures, adhesive picture hanging strips can be a suitable alternative to anchors.

Both plaster and drywall are durable wall finishes, but they differ significantly in installation, cost, performance, and aesthetics.

Installation & Cost: Drywall installation is faster and more affordable, typically costing $1.50 to $3 per square foot. It uses premade sheets, making it a more accessible DIY project. Plastering is a labor-intensive craft that requires specialized skills, pushing costs to $2 to $10 per square foot. It involves applying a wet paste over a lath framework.

Durability & Performance: Plaster is generally more durable, longer-lasting, and provides superior soundproofing. It is also a better insulator, which can help reduce energy costs. Drywall is easier to remove for future renovations.

Aesthetics: Drywall provides a smooth, uniform surface ready for paint or texture. Plaster offers a high-end, naturally textured look that can hide imperfections and is often preferred for achieving a classic or historic aesthetic.

Which is better? The choice depends on your priorities. Drywall is ideal for those prioritizing a lower upfront cost, faster installation, and DIY potential. Plaster is the better option for a higher-end project where durability, soundproofing, and a unique, premium finish are more important than the initial cost.

The Norwalk, IA homeowners’ guide to drywall insulation services

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