Truss design & manufacturing
Our in-house design team engineers roof trusses, floor systems and LVL beams — then our shop builds them, right here in St. Catharines.
Design services →
Lumber, trusses & building materials for the Niagara Region
Stark Lumber is an independent, Canadian-owned yard in St. Catharines — supplying contractors and homeowners, and designing and building roof trusses in-house, since 1949.
What we do 
One yard, three ways to help your build
Lumber & building materials
Kiln-dried framing lumber, plywood, engineered wood and more — stocked in the yard and delivered across the Niagara Region.
Lumber products → Proven on real builds
Homes, farm buildings and commercial projects across Niagara carry Stark trusses and materials. See where our work shows up.
Our projects →
Since 1949
Seventy-plus years of straight answers
Bill Stark founded this yard in 1949, and the people who built the business are still the ones running it. The trucks are newer; the way we treat customers isn't.
Building in Niagara? Let's talk.
Contractor pricing is available — call for details. We deliver across the region, and the yard is just off Highway 406 in St. Catharines.