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  • Average homeowner rating star icon4.4
    Average homeowner rating
  • Verified reviews icon10
    Verified plaster repairs reviews

Verified Reviews for Plaster Repair pros in Knapp, WI

*The Angi rating for Plaster Repair companies in Knapp, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plaster Repair needs.

*The HomeAdvisor rating for Plaster Repair companies in Knapp, WI is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Plaster Repair needs.

Last update on January 22, 2026

Top-Rated Plaster repair specialists in Knapp - Updated Nov 2026

Severson, Inc.
5.0(
1
)
Plaster - RepairPlaster - Repair - For Business

Serving Knapp, WI and surrounding areas

In business since 2003

Free estimates

Warranties offered

"My professional window installers were prompt, courteous, friendly and most importantly knowledgeable. They were able to answer my concerns and questions before during and after installation. The rooms were left clean and orderly. The yard and carport where the windows were stored after delivery by Lowe's was spotless, the old windows, trash and debris were gone! Very impressed! When we signed the paperwork for an installer we didn't know we were getting an entire company with Severson, Inc. Thank You Denise Capps"
Looking Down to the Kitc
Kitchen from Living Room
View from Loft
Kitchen
Recommended by100%of homeowners
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Avatar for The Duey Fix-Em-All System
The Duey Fix-Em-All System
5.0(
1
)
Plaster - Repair - For Business

Serving Knapp, WI and surrounding areas

In business since 2018

Free estimates

Emergency services offered

"Very professional! Got the job done in time, great with communication and status updates. He was very informative also!"
Response time20 mins
Recommended by100%of homeowners
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Galindon Drywall
New to Angi
Plaster - Install - For BusinessPlaster - Repair - For Business

Serving Knapp, WI and surrounding areas

In business since 2016

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. \n

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J.V & Son’s Drywall
New to Angi
Plaster - InstallPlaster - Repair

Serving Knapp, WI and surrounding areas

JV and Sons Inc. is a trusted drywall company with over 30 years of hands-on experience and two generations of craftsmanship. Backed by a BBB A+ rating, the company is known for delivering reliable, high-quality drywall work on every project.\n\nFrom drywall repairs to new construction, JV and Sons Inc. handles each job with precision, professionalism, and attention to detail. Services include patchwork, remodeling, full drywall installation, finishing, and texture matching—always completed with clean results and dependable timelines.\n\nNo shortcuts—just honest work and quality you can count on. Contact JV and Sons Inc. today for professional drywall services done right the first time.

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M&E Interiors LLC
New to Angi
Plaster - Install - For BusinessPlaster - Repair - For Business

Serving Knapp, WI and surrounding areas

In business since 1995

Free estimates

Here at M and E Interiors LLC we are without a doubt the best at what we do, and it always shows in our work. We take pride in our professionalism, our employees are always timely and dressed professionally. With over 40 years of experience in our trades, you can be confident that you are hiring the best company to provide your Painting and Interior finish needs. We look forward to earning your business!

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Plaster Repair FAQs, answered by experts

Yes, you can install drywall over plaster, but there are important factors to consider. While it can create a smooth, flat surface, it is often not the best approach. Installing drywall over plaster will increase the wall's thickness, which can cause issues with existing window and door frames that may no longer fit. You might also need to adjust power outlets to keep them accessible. A better, though more expensive, option is to remove the old plaster and lath entirely before installing new drywall. Drywalling directly over plaster seals in the old material, and if any problems arise later, you will need to remove both layers down to the structural beams for repairs. Given the potential complications, this job is best handled by professionals.

Plaster is a pretty tough surface, but it can still sustain damage from things like bumping against it, water issues, dampness, extreme humidity changes, and plain old age. Most plaster walls last hundreds of years and will only be taken down to the base layer when major repairs are required. Being cautious around the wall, not placing furniture against it, and ensuring stable humidity are all great ways to reduce possible damage.

The tool you use to sand plaster will depend on the size of the project. If you’re just working on a small section of your wall to get rid of an uneven spot on the surface, hand-sanding might work. However, for larger projects, a drywall sander can make a huge difference when it comes to both time and elbow grease—and an orbital sander can help for detailed areas such as around ceiling fans.

Plaster is a beautiful finish but is labor-intensive to install and remove. It’s vulnerable to cracking and more sensitive to moisture variance than drywall. Installing plaster on a new wall is an expensive process that can take days to weeks, depending on the scope. Removing a plaster wall can also be quite expensive and time-consuming.

You’ll want to inspect your plaster walls for signs of damage before painting. If you notice soft spots, deep cracks, bubbling, or areas where the plaster is crumbling or pulling away from the wall, it likely needs repair. While small hairline cracks are common and likely cosmetic, you should address larger issues before painting to ensure a quality, smooth finish.

The Knapp, WI homeowners’ guide to plaster repairs

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

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