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TRUSTED BY WALLINGFORD, PA HOMEOWNERS

  • Average homeowner rating star icon4.6
    Average homeowner rating
  • Verified reviews icon146
    Verified drywall insulation services reviews

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

Avatar for G.E.G. Enterprises, LLC
G.E.G. Enterprises, LLC
4.4(
205
)
Blown-In Insulation - Install or UpgradeInjection Insulation - Install

Serving Wallingford, PA and surrounding areas

Approved

Super Service Award Winner

In business since 1999

Free estimates

Credit card accepted

"I'm very satisfied with the quality of work this company does and the price was very fair. Aaron, the owner, was easy to talk to and after a short discussion, he knew exactly what I wanted. Mike and Dan did the insulation and even replaced a few floor boards at a nominal cost. They politely answered all my questions and you could tell they enjoy their work. If you want a professional job done at a very reasonable price, I would definitely give G.E.G. Enterprises a call."
Blown-In Attic Insulation
Response time1 day
51 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for Alligood Energy
Alligood Energy
4.9(
105
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Wallingford, PA and surrounding areas

Approved

In business since 2012

Credit card accepted

Customers say: Quick response

"It went very well. Jon arrived on time and spent a good bit of time looking all around the basement and attic, even performing a home leak test which revealed that our chimney's damper doesn't perform as it should (already called for service) and that the insulation in our attic is up to code. He made useful suggestions about potential upgrades to our HVAC and water heater, as well as our thermostat. He installed energy efficient light bulbs in the few lamps where we didn't already have them. All told: a very useful expenditure of time and limited funds (the state of DE covering 3/4s of the cost!"
Insulation Project
Additional Photos
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+6

Response time2 days
Response rate100%
5 neighbors recently requested a quote
Avatar for Atticrawl, LLC
Atticrawl, LLC
4.7(
18
)
Blown-In Insulation - Install or Upgrade

Serving Wallingford, PA and surrounding areas

Approved

In business since 2015

Free estimates

Credit card accepted

Welcome to Atticrawl, LLC \nWe 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!

Attic Insulation
Attic Insulation
57 neighbors recently requested a quote
Recommended by62%of homeowners
Avatar for Wodie's Inc.
Wodie's Inc.
5.0(
6
)
Blown-In Insulation - Install or Upgrade

Serving Wallingford, PA and surrounding areas

Approved

Free estimates

Credit card accepted

Wodie's Handyman & Property Management proudly serves Southeastern Pennsylvania with reliable home repair and property maintenance services. \n \nWe handle kitchen and bathroom repairs, assembly and installation, flooring and wall repairs, gutter cleaning, winterization, and more. We also provide dependable maintenance for commercial properties, rentals, and Airbnbs. \n \nProfessional service. Quality work. One less thing on your list. \n \nYour To-Do List, Handled.

Project Photos
11 neighbors recently requested a quote
Doyle Drywall Co
4.7(
137
)
Blown-In Insulation - Install or UpgradeInjection Insulation - InstallInsulation - Install or Upgrade

Serving Wallingford, PA and surrounding areas

In business since 1995

Free estimates

"Larry was great. Came quickly for an inspection. We agreed on day he begins working. His work putting up studs and drywall was very professional, very clean and neat. He showed up as promised at a good time. HE IS A FINISHER! He completed the work, as promised, in a timely fashion. I highly recommend him."
Recommended by95%of homeowners
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Drywall Insulation FAQs, answered by experts

You should leave a gap between drywall sheets because they naturally expand and contract along with the building framing as temperature and humidity change. Most pro drywall installers leave a gap of about ⅛ inch between drywall sheets, allowing the sheets to expand, contract, and shift without cracking or becoming damaged. If you don’t leave enough gaps between slabs, the edges will press against each other when they expand, and the pressure can cause visible cracks.

You can paint over plaster, but repair any damage to the plaster first, or the paint will crack and bubble. You should also prepare the surface of the plaster to accept paint, which gives your paint job the best chance of looking good and lasting a long time. Before applying the color you want, apply a coat or two of primer. Additionally, use latex paint, and choose a latex paint with a satin finish for areas with dampness, like bathrooms.

If you already have plaster walls and ceilings, adding new plaster costs $2 to $10 per square foot. For an average-sized room, that would come out to $1,200 to $10,000. However, the cost to replace plaster with drywall is higher—running between $720 and $1,250 for a 10-by-8-foot wall or ceiling (not including drywall finishing).

Yes, if there is mold in your drywall mud and you then use it to build walls in your house—or if mold develops in your set drywall, like it can in hot and humid areas—it can lead to illness. Mold in your drywall (or other parts of your home) can make existing respiratory conditions or allergies worse, and the effect can be more intense for those who have existing health issues or compromised immune systems.

It is possible to apply plaster on the interior or exterior of your home, but we don’t recommend it. Plaster is easy to apply in theory, but in reality, it can be a challenging material to work with, and it’s difficult to get the finished product to look clean, even, and smooth. Many DIYers end up calling in a professional afterward to touch up the area or even redo it entirely because of mistakes they made in the process. Hiring a plaster pro will cost more, but it’s usually the best option to achieve high-quality results.

The Wallingford, PA homeowners’ guide to drywall insulation services

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