Home Spray Foam Attic - Cellulose Pictures F.A.Q. Hydro Rebate Contact UsAir-Lok Spray Foam Insulation is a Winnipeg based company. We use the newest technology and best product while we insulate. We offer free estimates to Winnipeg and the surrounding areas. Please see our product page to see the type of foam that we spray and the benefits of using it verses conventional insulating methods.The main goal of spray foam insulation is to improve today's standards and practices. Spray foam insulation out-performs any other insulating method on the market to date. See our articles section for studies and benefits on using spray foam vs. Pink or any other insulation on the market. more... See more text