
Serving Marine City, MI and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Warranties offered
"Excellent job to spray insulate the existing attic. We have noticed a difference already."






Serving Marine City, MI and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Warranties offered
"Excellent job to spray insulate the existing attic. We have noticed a difference already."





Serving Marine City, MI and surrounding areas
Approved
In business since 1977
Free estimates
Warranties offered
"The team at Dana Insulation is top notch. From Tom in sales to the installation team everyone was courteous and professional. They put down protective plastic on the floors so as not to get any dirt or insulation on the floors. Did a great job cleaning up after the job as well. Thank you very much Dana Insulation!!!! I would definitely recommend this company!!!"

Serving Marine City, MI and surrounding areas
Approved
In business since 2004
Free estimates
Credit card accepted
"I don’t mean to sound corny but they are no less than insulation geniuses."



Serving Marine City, MI and surrounding areas
Approved
In business since 1977
Free estimates
Warranties offered
"Another contractor had moved things around so much, that it botched my previously scheduled insulation appointment with another insulation company. In a panic, I reached out and was properly given an estimate work completed within days. They arrived earlier than first estimated and that was more than welcome. Handled with care and our property was protected and insulated with care."




Serving Marine City, MI and surrounding areas
Approved
In business since 1977
Free estimates
Emergency services offered
"From Tom Mackey the GM, to Judi in the office, to Al the job site foreman, this was one great company to have done work in my home. I have had a lot of different crews out over the years and Dana Insulation is at the top. Honest and professional all the way through, and the outstanding work was completed sooner than I expected. Highly recommend this company for insulation needs."





+4
Serving Marine City, MI and surrounding areas
Approved
In business since 2007
Free estimates
Emergency services offered
"Good afternoon to home owners like my self, who research and read looking to find the most trustworthy home improving company. Look no further Shelby construction, who started doing a project for my house Roof windows and gutters cared enough before the project started to ensure me that the size mess of the four layer tear off along with cedar shake, which would than end up my roof needing a full new roof decking. This type of tear off would leave a portion of the roof ending up on the interior side of the attic over the old insulation. Needless to say with a phone call & clear, and honest explanation. My attic now is above and beyond the state code for good our value which is brought to my tension for heating and cooling. The very next day I felt the difference. I’m glad I did it. Thank you Shelby Construction & Thank you Michael ."

Serving Marine City, MI and surrounding areas
Approved
In business since 2015
Free estimates
Warranties offered
"I had gutters replaced and glass block windows installed snd I am extremely satisfied. Both groups of men were professional and very nice. They cleaned up when finished and did a great job!"





+2

Serving Marine City, MI and surrounding areas
In business since 2012
Free estimates
Credit card accepted
"Brian was very knowledgeable and honest. He told me I didn't need insulation in my attics. I asked if next year he would come over and infrared my walls. Also,it's a family owned business. I would definitely recommend him."





Serving Marine City, MI and surrounding areas
In business since 2019
Free estimates
Emergency services offered
"THE DAY OF WORK,CAME OVER REPAIR ROOF HOLES AND PUT IN A BATH ROOM VENT ON ROOF WOULD HIRE THEM AGAIN,A+"





+30
Serving Marine City, MI and surrounding areas
In business since 2002
Free estimates
Emergency services offered
"They were extremely friendly and were very punctual. They were even able to get us in a week earlier than expected! We had another company out for a quote and it was night and day. The other company spent maybe 5 minutes looking at the problem (Enviromax spent at least 30 minutes) and then never even sent the estimate and also told us we would have to wait at least 6 weeks!"
Old insulation should be removed when it shows damage, contamination, or heavy deterioration. If you notice water stains, rodent droppings, mold, or large gaps, plan on taking it out to protect your home’s energy performance and indoor air quality. Removing compromised material eliminates health hazards, cuts energy loss, and sets the stage for a safer, more efficient attic—all while keeping utility bills in check.
R-value measures how well insulation resists heat flow—the higher the number, the better it slows heat transfer. The right R-value keeps your home warmer in winter and cooler in summer, saving energy year-round. Match the rating to your climate zone and have a pro verify performance over time, because moisture or settling can lower R-value and cut efficiency.
Attic insulation can stay in place for 80 to 100 years, but its performance often drops after the first 15. As dust, moisture, or mold build up, the material loses R-value and allows heat to escape. Schedule periodic inspections so a pro can tell you when replacement makes sense—helping you keep energy bills down and indoor comfort up.
You can over-insulate an attic. Beyond the recommended R-value, extra layers don’t add efficiency and can trap moisture, leading to mold or reduced performance. A local insulation pro can measure current levels, confirm the right target for your climate, and advise on any adjustments so you avoid future energy or maintenance headaches.
Insulation can be damaged by mold, pests, water leaks, or accidental electrical contact. When the material is compromised, it loses R-value and can introduce health hazards. Removing and replacing affected sections restores efficiency, while routine inspections from a qualified pro help you catch problems early and keep your attic safe and energy-smart.
From average costs to expert advice, get all the answers you need to get your job done.

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