Landscaping

See Products

Decking

See Products

Railings

See Products

Columns

See Products

Siding

See Products

Roofing

See Products

Exterior Finishes

See Products

Garage Doors

See Products

For all your construction,
landscaping, and design needs

St. Catharines Building Supplies has proudly served contractors and homeowners in the Niagara region since 1968!

We're a full-line lumber and building supply dealer - plus, we carry one of the largest indoor and outdoor displays of building and landscaping supplies in the Niagara region including an outstanding selection of exterior finishes such as brick, stone, cultured stone and masonry supplies.

Read More

We're a member of castle
Canada's Premier buying group

Read More

Brands we carry

Contact Us