Welcome to
Grand River Insulation Inc. began providing insulation solutions to Southwestern Ontario in 2009. We are a full service insulation company and offer our customers a complete insulation package right from the attic through to the basement of any home.
Grand River Insulation Inc. provides our customers a choice in green, renewable performance insulation systems in spray foam, cellulose or fiberglass. We also offer attic insulation removal, firecoating & fireproofing to our customers.

Grand River Insulation Inc. wants to ensure that each customer receives the best possible insulation solution for their specific needs. This is why we thrive on being a 'full' service insulation company offering insulation solutions for home builders, renovators, restoration contractors, homeowners along with servicing the agricultural and commercial builders and renovators as well.
You could receive up to $1,250 back when upgrading your attic insulation through Ontario’s Home Renovation Savings Program.
As a One Stream participating contractor, we help guide you through the required steps and complete attic insulation upgrades that meet program requirements. The result is improved comfort, reduced heat loss, and lower energy bills while taking advantage of available rebates. Review the qualifying schedules below to see where your home stands:

| Level of Insulation Before Upgrade | Minimum R-Value to Reach | Maximum Rebate |
|---|---|---|
| Less than or equal to R-12 | R-50 | $1,250 |
| Greater than R-12 to R-25 | R-50 | $1,000 |
| Greater than R-25 to R-35 | R-50 | $800 |
| Level of Insulation Before Upgrade | Minimum R-Value to Reach | Maximum Rebate |
|---|---|---|
| Less than or equal to R-25 | R-28 | $750 |
| Less than or equal to R-12 | R-20 | $650 |
To get a representative from Grand River Insulation Inc. to contact you!
Or Request a Quote to find where your home is having Heat Loss.
CONTACT US TODAY REQUEST A QUOTE