They sent a guy early on to assess and be prepared. Then the guys came the day of, on time. They Did great work. They were friendly, knowledgeable and thorough. When they couldn’t finish in the time allotted they came the next day (Saturday) to finish.

We had a significant issue in our attic which required existing installation to be removed and new spray foam and insulation to be installed. The work also required cooperation with separate roofing and mold abatement companies. Throughout the process we received fantastic advice and service from GNI. We dealt with a number of their service staff and they were all polite, professional and respectful of our home. I would recommend GNI to anyone - they were amazing.

Spray insulation in whole basement and attached wall in garage Also kilt treatment in attic and blown in insulation to maximum amount All their employees were pleasant and efficient . They arrived early and did the job very throughly . Very happy with the job on the whole and would recommend this Company .

I would highly recommend this service, or any of the services they have to off. No swearing just clean cut guys doing a great job and they clean up after themselves!! Thank you Joel and Gabe!!

These guys, Brendan and Matt
Did a excellent job, plastics everywhere tape down.
Polite..
They clean , vacuum, they wipe down the ceilings beans...and wipe down the fan
Wow
5 start to them..
Great guys
182 Charles st. Port Stanley Ontario n5l1h1

This company is superb. Very professional from quotation to scheduling to installation. The installation team, Phil and Tom, arrived on time, were happy, friendly and professional and left the house as clean as before the job. I definitely recommend this company.

I had 2 employees, Will and Connor, do the insulation job today.
They were on time, professional, neat and kept my home clean throughout the process. Excellent work all around doing a tough job on a hot day. I would easily recommend these guys to anyone needing this work.
Very good company to work with

Crew arrived on time on Friday of a long weekend. Derek and Troy did a great job of keeping the work site clean which I really appreciated as we had just had new carpet installed throughout. And we also got a quick lesson on R value and the install process. Highly recommend this crew. Thanks for a great job!!

I signed a contract for Attic Insulation of my house located at Wasaga Beach. The team (Derek, Drew & Troy) did a good and clean job. They were polite and on time.

Price is reasonable.
The crew of 3, Derek, Brian J, and Drew showed up on time, were very courteous, and introduced themselves.
The crew cover the floor to protect and the cleaned up when finished.
Total time of work took 2.5 hours
Very satisfied with GNI overall.