
Serving Lawrence, 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 Lawrence, 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 Lawrence, MI and surrounding areas
Approved
In business since 2021
Free estimates
Warranties offered
Koala Insulation of Grand Rapids is the area's certified insulation expert providing high-quality insulation services to homeowners, contractors and property owners. We work with new construction, retrofit applications, and properties affected by natural disasters or that have suffered significant damage. We provide all types of insulation including blown-in cellulose and fiberglass, spray foam, and batt-insulation. Furthermore, we provide a number of energy efficiency upgrades such as air sealing, thermal imaging, hatch, can light covers and solar attic fans. If it involves insulating or improving energy efficiency within a building envelope, we can handle it. We offer competitive prices and free insulation evaluations. We are locally owned and operated, fully insured and licensed, and our services come with a limited lifetime warranty.





+15

Serving Lawrence, MI and surrounding areas
Approved
In business since 2021
Free estimates
Credit card accepted
"Great work, very personable, professional, courteous, and reasonably priced. Received blow in insulation for garage and entire attic in house… they hammered it out, did a quality job, and work very hard."





+6

Serving Lawrence, MI and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
"They made my bathroom easier and safe for me. They were a pkeasent company to work with and the installation crew were the greatest, they were on time, very conscious of there work which was outstanding, they were very hard workers. No complaints on them at all, and I would have them come back for another job anytime"





+336

Serving Lawrence, MI and surrounding areas
Approved
In business since 2000
Free estimates
Credit card accepted
"Work was great. Eltina stopped by for an inspection . I'm happy overall"




Serving Lawrence, MI and surrounding areas
In business since 1999
Free estimates
Credit card accepted
"Greg, the owner, came out on two occasions to discuss the crawl space and drain tile. He is extremely knowledgeable and experienced in the crawl space industry. We had a few options and he told me about the new spray product he was using. It is this unique seamless liner that is sprayed on after preparing and insulating the area.
His crew was very professional and easy to talk to. We had some scheduling conflicts that were easy to work around and get the job done when we needed it to be finished.
The difference we noticed in the smell in our basement, the effect the insulation and seamless lining had on the air conditioning in our family room (which is above the crawl space) was immediate. We feel cooler air coming through the duct work since it isn't losing energy traveling through a non insulated space anymore and they basement smells and feels normal since the dirt and concrete is now completely covered by the new liner.
That new product is great.
Greg's company also did drain tile work in our basement. It was a different crew than the group who did the crawl space, but they were equally as professional and easy to work with. Rather than break up the job into 3-4 days they stayed late the first day to get everything ready and prepared so they could complete the job quicker. The job was done the next day. The price was very fair and the crew was extremely clean throughout thew whole process.
We now have a water tight, well insulated basement and we couldn't be happier with the results.
I have told several friends about the experience and would recommend them anytime. From Greg down to each of his crew members they really know how to do a good job and work with the customer."





+16

Serving Lawrence, MI and surrounding areas
In business since 2019
Free estimates
"It was the coldest day of the year so far and they still showed up and did the job which was all outside."




Serving Lawrence, MI and surrounding areas
In business since 2008
Free estimates
Credit card accepted
"Bill and crew were great it was a very hot day for installing insulation but they got the job done.. Great people hard workers and very reasonable in price.. I would recommend him.. 😊"

Serving Lawrence, MI and surrounding areas
In business since 2003
Free estimates
Credit card accepted
"I own a 13 year old home, and my roof issues began in Fall 2019 when I began to notice several leaks. I began to call local roofers, and had several come out, the leaks were repaired, but all of them suggested that my roof needed to be replaced and was nearing it’s useful life. When Spring 2020 rolled around, I began to search for a company that could replace my roof. While conducting my research, a friend referred me to a local home inspector to obtain his opinion on my roof (replace vs additional repairs). This inspector suggested I contact Dennison Exterior Solutions as they had a great reputation in the area, and he personally had good things to say about them. At about the same time, I began to research my options for a warranty claim on my shingles as they had been shedding granules since I moved into the house. When I began to look around on the Certainteed web site, I noticed that Dennison was listed as the top contractor in my area, so that reassured me I was on the right track. Early one morning, I called the office number for Dennison and left a voicemail message. At the end of the message, it provided an email address to contact Scott Dennison (Owner). I left a voicemail message and immediately sent an email to Scott. Literally within minutes of me sending Scott the email, I received a response from him. We exchanged a few emails and he advised that he would have his office contact me to schedule a visit/inspection. Later that day, Amy contacted me to arrange a visit. The initial visit was set up and as the appointment approached, I received a phone text message reminding me of the visit and asking me to acknowledge the appointment. These are the reasons YOU should select Dennison Exterior Solutions to replace your roof: 1 - All presale visits were on time and took place as planned - not rushed, thorough Dennison was one of the few roofing companies that actually went into my attic for an inspection, and provided a thorough solution to my problem 2 - As part of the estimate preparation, a drone was used to take high definition photos of my roof, these photos were used during the sales presentation 3 - Throughout the entire process, I was able to communicate with Scott Dennison via email, his responses were close to immediate 4 - As part of the contractor selection process, I asked Scott for references of customers who had their roof replaced as well as active roof replacement jobs. We called all of the references, and visited several active jobs. All references advised us that once they met with Scott to review his estimate, they proceeded with the work 5 - There is no viable comparison when it comes to cost estimates. Scott’s presentation was very detailed, specific and thorough. During the sales presentation, he had samples of the vents and products he was planning on using on our project. Again, solving our problem 6 - Scott advised us that the reason our shingles have failed was due to poor ventilation and possibly poor insulation. All rooms in our home have cathedral ceilings which are not accessible via the attic. Scott ensured that his team would remove roof sheathing in each section of the roof to inspect the ventilation and insulation. Problem SOLVED 7 - Every detail that Scott went over with us during the sales presentation ACTUALLY took place when the roof work was being done. The sales packet included exhibits that illustrated how the drip edge would be installed as an example 8 - We decided to award the work to Dennison Exterior Solutions at the end of Scott’s sales presentation. We were blown away by the level of detail, knowledge and experience. Scott even took the time to review possible additional costs items that were not part of the estimate (replacement of damaged wood sheathing, insulation, etc) 9 - At the end of the sales presentation, Scott told us that it would be between 4-8 weeks before the work on our roof would begin, but told us he would share a web page with us where we could monitor the “ranking” of when our job would start 10 - About a week after signing with Scott, we received an email alerting us that the work may start sooner than he anticipated. Sure enough, the work started within about 10 days of signing the contract. EVERYTHING that Scott told us would happen actually happened: A - The supplies were delivered on time B - The crew showed up on time everyday C - The crew cleaned up my yard and protected my shrubs - there was no damage to my property D - The crew followed the detailed installation instructions of ice and water shield, drip edge, shingles, ridge and vent caps as detailed in the sales presentation - this solved my problem The crew removed one sheet of roof sheathing in every section of my roof to inspect the ventilation and insulation. Lucky for me, the builder had done both properly E - The crew replaced rotten wood as needed and allowed me to inspect the damaged wood F - The crew took pictures of all of the work they completed - before and after G - The crew answered all of my questions and were friendly and professional H - The crew met with me each day to review the work ahead for that day I - Scott was the only roofing company that submitted a thorough solution to address the root cause of my problem. SAVE YOURSELF TIME, GO WITH DENNISON, YOU WILL NOT BE DISAPPOINTED! Feel free to contact me if you have any questions or concerns. Sincerely, Donovan Cartwright"





+793

Serving Lawrence, MI and surrounding areas
In business since 1986
Free estimates
Emergency services offered
"We have been so very pleased with Jake and his crew at Roofs & More. Not only is their workmanship superb, but they are great to work with! They are very conscious of detail and meeting all of your expectations. They are a talented great group of guys that do stellar work. We highly recommend them and give them the highest score possible."
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.
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