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    Average homeowner rating
  • Verified reviews icon50
    Verified insulation services reviews

Top-Rated Insulation pros in Sulphur - Updated Nov 2026

Avatar for D & M Insulation
D & M Insulation
5.0(
5
)
Blown-In Insulation - Install or UpgradeBatt, Rolled or Reflective Insulation - Install or Upgrade

Serving Sulphur, LA and surrounding areas

Approved

Free estimates

Small jobs welcome

Offers commercial services

"I found this company by accident and turns out one of the best I used the young man was very professional and knowledgeable he was fast had all the insulation up in only a hour or so and his prices were the best I’ve seen .. and I can thank him enough"
R-value Attic Upgrade
R-value Attic Upgrade
22 neighbors recently requested a quote
Country built
New to Angi
Batt, Rolled or Reflective Insulation - Install or Upgrade

Serving Sulphur, LA and surrounding areas

Approved

Free estimates

Small jobs welcome

Offers commercial services

Experience in many trades minor electrical, welding,metal carports an awnings ,deck repairs, construction, auto mechanic, tree trimming an much more. Anything that i can put my hands on ill do my at most best to get the duty defeated.. Im dedicated to getting your to do-list knocked out so you dont have to hassle . Country built is here to help

Avatar for Architectural Insulation, LLC
Architectural Insulation, LLC
4.6(
57
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Sulphur, LA and surrounding areas

In business since 2001

Free estimates

Emergency services offered

"Brian did a fabulous job of explaining insulation including the different types available. I hired him because of his knowledge of insulation & the price. His price far surpassed any of the other bids I had obtained. Iâ ve shared his information with my real estate investor friends too!"
architectural insulation
architectural insulation
architectural insulation
architectural insulation
No job is too big or too small

+5

Response time2 days
Response rate90%
Recommended by92%of homeowners
Avatar for SprayFoamTexas
SprayFoamTexas
5.0(
23
)
Blown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Sulphur, LA and surrounding areas

In business since 2022

Free estimates

Emergency services offered

"I hired these guys to insulate my garage attic. They asked for a few photos and measurements, quoted a reasonable price, and scheduled the job right away. Friendly, professional, and hard working. I give them my highest recommendation!"
Spray foam Closed Cell
Foam
Spray Foam Metal Shop
Foam
Foam

+2

Response time2 days
Response rate91%
Recommended by100%of homeowners
Avatar for SwampSeal Insulation
SwampSeal Insulation
5.0(
5
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or Upgrade

Serving Sulphur, LA and surrounding areas

In business since 2023

Free estimates

Small jobs welcome

"Swampseal insulation responded quickly. Called him on a Monday and he came out to do the job on a the very next day. Only took a few hours. To get the job done. Kept me informed of the progress, took pictures to show how it looked. Put more insulation than what was required."
My jobs
My jobs
My jobs
My jobs
My jobs

+8

Response time2 days
Recommended by40%of homeowners
Avatar for Acadiana Custom Coatings
Acadiana Custom Coatings
4.6(
17
)
Batt, Rolled or Reflective Insulation - Install or UpgradeBlown-In Insulation - Install or UpgradeSpray Foam Insulation - Install

Serving Sulphur, LA and surrounding areas

In business since 2016

Free estimates

Emergency services offered

"Very professional job. Quinton evaluated our attic status, made recommendations, and he and his workers quickly insulated accordingly in the heat!! He also left contact info and asked for contact in one month as a follow up to results of insulation in electric bill. He also suggested contacting him in the winter before using fireplace as an added precaution."
LSU roof
LSU roof
LSU roof
LSU roof
LSU roof

+3

Response time1 day
Recommended by100%of homeowners
Showing 1-10 of 38
Insulation FAQs, answered by experts

Hanging a thick blanket over your windows will help to keep the heat inside, but only a little. Covering the glass will also prevent the sunlight from getting in, which might actually decrease the efficiency of your window overall. If you get to the point where you’re hanging blankets over your window to keep warm, call in an expert to seal around your windows to prevent warm air from escaping. They may also recommend replacing old windows that aren’t as insulative as newer window technology. Sealing a window isn’t terribly expensive and can make a big difference.

You do not always need to remove old insulation before adding new. If the existing insulation is in good condition—not wet, physically damaged, moldy, or infested with pests—you can add new insulation directly on top of it for a compounding effect. You can also mix different types, such as adding blown-in insulation around existing fiberglass batts.

However, removal is recommended if the old insulation is compromised by water damage or pests. You should also remove it if you plan to install a different type of insulation, like switching from roll or batt insulation to spray foam. If the existing insulation is very old or damaged, you will likely get more benefit from removing it and starting fresh.

You won’t find anything inside a cupola on a house because it’s hollow (think of an upside-down cup), allowing air to ventilate out of a roof via vents and light to come in via windows. They also usually have a base, vents around the middle (usually louvers), and a pointed cap at the top.

Installing sheets of plywood over attic insulation is a popular choice, especially in storage spaces. That said, insulation works by trapping hot air—so it needs extra space to expand and be effective, or you might reduce the energy efficiency of your home. 

It’s important that you never compress the insulation by installing flooring directly on top of it. In many houses, you’ll need to install a subfloor before putting plywood over insulation in your attic.

Canned spray foam has an R-value of R-3.7 per inch. However, it’s not great for use as insulation. Also known as single-component spray foam, it doesn’t expand as much as two-part types that work for insulating the whole house. Save the canned foam for gaps around doors and windows.

The Sulphur, LA homeowners’ guide to insulation services

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