Insulation in Thornhill, Ontario

"Great service from the initial quote to the install. Patrick was quick and efficient with the quote. He was quick..."

"Work with Great Northern on a couple of projects. Both personally and professionally. They are always very..."

"I had a single short run of a duct that had asbestos tape on it. I contacted Robert and he was great. They worked..."

"Muhammad and Howie worked very hard and completed the spray foaming of my basement to my expectations. Too bad their..."

"We recently had Mark and his company come and improve our attic insulation. Mark was easy to talk to, and answered..."

"Very satisfied with Zenic's work! I was looking for a few quotes and I really needed to get the job done the next..."

"Very well organized professional team, efficient fast and very clean job done in my house. They show me photos about..."

"We had mold in one corner of our bedroom ceiling, and it was growing quickly. A quick internet search made me think..."

"We had a problem with rodent infestation in the bat insulation in our crawlspace under the family room. The room was..."

"The company was excellent at setting up the work to be done, from the on site estimate, follow up emails with online..."