Avalon Spray Foam is owned and operated by Sam Thornhill. I have more than 25 years of experience in the construction industry in the Newfoundland and Labrador area. Improper insulation work can lead to drafts, dust, mould, rot, noise, and high energy bills. As a result, I started Avalon Spray Foam to provide customers with a more efficient way to insulate and seal their buildings. Give us a call today! more... See more text