Serving Residential, Commercial & Industrial Customers

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    Thayer Lumber has serviced the Sault and area since 1910. During our  many years we have achieved an enviable reputation for quality products and service.

We service all sectors of the woodworking industry, with a full retail line of construction lumber,building materials and accessories.Thayer Lumber is the place for great quality and selection in hardwood and softwood lumber, timbers, plywoods, fasteners, hardware, fencing and decking. Thayer Lumber also has a large industrial customer base that we service with custom products such as timbers, pallets and crates. 

Kick-start Your Dream Reno with $10,000!

Castle's HOME SWEET HOME Renovation Contest

Stop putting your dream renovation on hold. Come into today!

Castle's HOME SWEET HOME Renovation Contest is now on and we have ballots.

Visit us and pick up your ballot for a chance to win! Enter your ballot code online and you could WIN $10,000 to spend on Castle products and services. No matter the project, we have the products you need for the “wow” factor, from floor to ceiling.

You supply the dream, we’ll supply the products.

The contest runs from June 1st to September 30th, 2022. No purchase is necessary.

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