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TRUSTED BY HERMOSA, SD HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon72
    Verified plaster repairs reviews

Find Plaster repair specialists in Hermosa

Avatar for Cove Contracting

Cove Contracting

4.50(
8
)
Approved Pro

Cove Contracting

4.50(
8
)
Approved Pro
Customers say: Quick response
15 local quotes requested
5 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"I am totally disappointed with this Company. They were like a different company, from our first encounter with them, making false promises to show up at certain times and then not showing up. Only doing a fair job on the stain where I had to go around and touch up in numerous areas even after they came back to do touch ups and don?t get me started on their lack of prompt communication. Communication back from the owner only happened when I got frustrated enough to get real with my emails and say how I was feeling. It was like pulling teeth to get this project done but it would have gone more smoothly had they started when they initially said they would until they got a bigger job that was more important. We are hiring a new company to re stain our deck. "

Liz F on September 2025

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business! Book with us online or feel free to give us a call today!

"I am totally disappointed with this Company. They were like a different company, from our first encounter with them, making false promises to show up at certain times and then not showing up. Only doing a fair job on the stain where I had to go around and touch up in numerous areas even after they came back to do touch ups and don?t get me started on their lack of prompt communication. Communication back from the owner only happened when I got frustrated enough to get real with my emails and say how I was feeling. It was like pulling teeth to get this project done but it would have gone more smoothly had they started when they initially said they would until they got a bigger job that was more important. We are hiring a new company to re stain our deck. "

Liz F on September 2025




Full service Contruction/Repair/Mainteance contractor. No job to big or too small, we do it all. Call for a Fast and Free estimate.

Plaster Repair questions, answered by experts

Depending on the quality of the plaster and the moisture in the building, plaster can last over 100 years in some cases. It may develop cracks in some places, but many find it aesthetically appealing. As long as no structural damage affects the plaster and maintenance is being performed—mainly repairing small patches and addressing water damage—plaster can last a long time.

If the water damage is small, such as small patches, you can paint over the area. To prevent mold growth, roll on a coat of an antifungal primer beforehand painting. However, if the damage is more extensive, you may have mold, and the plaster will be compromised. You’ll have to replace the plasterboard.

Once dried, Venetian plaster becomes a rock-like substance that’s durable and excellent at resisting damage. If properly sealed to resist moisture and maintained, Venetian plaster should last for at least a decade but potentially as long as a lifetime. Thanks to its mineral content, it can also develop a patina.

If your home was built before the 1940s and was not remodeled in the past 50 or so years, you probably have plaster walls. Aside from assuming, there are some practical ways to tell if you have plaster walls, including the following: If you knock on the wall and it feels solid, not hollow, if you can’t insert a thumbtack easily, if there are cracks that look like spiderwebs, or if your home has curved, arched, or swirled walls, doorways, or window openings.

If you have an unfinished basement or attic, you could examine the backs of any finished walls to check, too.

Your walls are likely cracking due to fluctuations in the temperature outside. Drywall tends to expand and contract when temperatures and humidity levels change, and this repeated movement can lead to cracks in your walls, particularly around door frames. If you have multiple diagonal cracks, you may want to have your foundation inspected, as cracks can also be a sign of a bigger issue.

The Hermosa, SD homeowners’ guide to plaster repairs

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