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  • Verified reviews icon107
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Top-Rated Drywall insulation pros in Munith - Updated Nov 2026

Avatar for WBI Insulation & Building
WBI Insulation & Building
4.3(
66
)
Blown-In Insulation - Install or Upgrade

Serving Munith, MI and surrounding areas

In business since 2012

Free estimates

Credit card accepted

"An excellent job doing the insulation. They came in did their job and were gone moments later. Very professional and fast service. Their pricing was the best I could find in the area. My attic is very small get around and they had no problem maneuvering and insulating the entire thing. I would highly recommend to anyone looking for high-quality insulation."
WBI Insulation & Building
WBI Insulation & Building
WBI Insulation & Building
WBI Insulation & Building
WBI Insulation & Building

+3

Response time5 hrs
Response rate85%
Recommended by98%of homeowners
Avatar for ASAP Insulators, Inc.
ASAP Insulators, Inc.
4.4(
20
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Munith, MI and surrounding areas

In business since 2019

Free estimates

"Great work by Will and team. They are very responsive, do great quality work, even helped replace defective material from Lowe's so they could get the job done quicker. Everything turned out excellent. Would definitely use them again."
Before
Before
After
After
Response time11 hrs
Response rate93%
Recommended by94%of homeowners
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Drywall Insulation FAQs, answered by experts

The short answer is yes, a sagging plaster ceiling is dangerous. Sagging plaster on a wall is something you should fix immediately, but it isn’t a major concern. If the same type of sagging occurs on a ceiling, however, you could be in danger of your ceiling falling in large chunks. When plaster sags, it loses its strength and ability to hold itself up. The bonds that hold it together are strong, though, so if a sagging area falls, it will take large pieces down with it.

Whether you need drywall anchors depends on your specific project, particularly where you are hanging an item. Drywall anchors are not necessary if you can drive a screw directly into a wooden stud behind the wall, as the stud provides sufficient support. However, since studs are not present everywhere in a wall, you will need to use drywall anchors if you are hanging an object in a location without a stud. For very lightweight items, picture hanging strips can also be a suitable alternative.

If the holes in the plaster are small, you can fill them with layers of patching plaster until they’re filled. After it dries, you can sand the plaster and paint over it. If the hole is much larger, consider using bonding plaster first and then a layer of patching plaster, completing the process with sanding and a layer of paint.

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.

Only use spackle on plaster walls when the imperfection is small. It’s best used for nail holes or small dings in the plaster. Spackle dries quickly, allowing you to continue the repair process shortly after using it. Plaster can be tricky to repair, though, so if you run into issues, call a pro so that you don’t risk further damage.

The Munith, MI homeowners’ guide to drywall insulation services

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