Spray Foam Insulation - Install in Thornhill, ON

Spray foam insulation has become a popular choice among homeowners, as it provides an air tight seal that can help cut costs on energy bills. We recommend hiring a home service pro, as incorrect installation can lead to a series of health issues.

Recommended Pros in Thornhill, ON

Recently Reviewed Thornhill Spray Foam Insulation

Published: 01/02/2021
Very professional and honest. Gary did a fantastic job inspecting the job first and giving me a detailed quote. I had some other guys giving me a quote, non were 100% honest and professional. They comply with COVID19 regulations and...
Published: 04/22/2021
Company referred to me by a realtor. Smooth booking process and very organized. Service professionals at the house were prompt, friendly and knowledgable and efficient. Thanks to Gabe and Chris for a great experience.
Published: 04/19/2021
I wasn't told they had sealed up every vent in my attic thus enabling my roof shingles to bake. I've had to replace the roof shingles. Roofers and building inspectors were shocked that GNI had completely sealed my...