Your Entire
Material List.
One Supplier.
Bulk pricing, nationwide shipping, and job site delivery — supplying high-rise, infrastructure, and mixed-use projects across all 10 provinces.
Everything Your Project Demands
From foundation to finish — 10,000+ SKUs across every major building material category, stocked and ready to ship Canada-wide.
Lumber & Framing
Dimensional lumber, engineered wood products, glulam beams, LVL, I-joists, and structural panels for every scale of project.
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Concrete & Masonry
Ready-mix concrete products, masonry blocks, brick, mortar, rebar, form systems, and concrete accessories for foundations and structural work.
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Roofing & Waterproofing
Asphalt shingles, TPO, EPDM, modified bitumen, ICF, membranes, underlayment, ventilation, and complete waterproofing systems.
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Insulation & Vapour Barrier
Batt, blown-in, rigid board, spray foam, and continuous insulation solutions. Full vapour barrier systems for Canada's climate demands.
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Drywall & Interior
Standard and specialty drywall, metal stud framing, joint compound, finishing accessories, and interior partition systems for commercial builds.
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Steel & Structural
Structural steel sections, hollow structural sections, steel decking, anchor bolts, joist systems, and engineered connection hardware.
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Doors & Windows
Commercial-grade exterior and interior doors, curtain wall systems, skylights, storefront glazing, fire-rated assemblies, and frames.
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Tools & Fasteners
Professional-grade fasteners, anchors, power tools, hand tools, safety equipment, and job site supplies to keep your crew productive.
Explore CategoryBuilt for Builders,
Not Homeowners
We're not a big-box store. We're a commercial and development supply partner built from the ground up for contractors, developers, and project managers running serious operations. Our scale, logistics, and pricing are calibrated to the demands of multi-million-dollar builds.
"We've supplied materials to over 500 commercial and residential developments across Canada. Our clients build the skylines — we supply the materials."
— The GP Building Supplies Team
Bulk Pricing on Volume Orders
The more you build, the more you save. Our tiered pricing structure is built for commercial volumes — not retail margins. We work directly with manufacturers so savings go to your bottom line.
Up to 30% below retailDirect-to-Job-Site Delivery
Crane trucks, flat-beds, and experienced drivers who know how commercial sites operate. We coordinate deliveries around your schedule, not ours.
500+ deliveries / monthDedicated Account Manager
Every commercial client gets a single point of contact who knows your specs, your project timeline, and your standards. No call centers. No ticket queues.
24-hr response guaranteedCanada-Wide Shipping & Logistics
From Vancouver to Halifax, our logistics network means you can source everything from one supplier regardless of where your project is breaking ground.
All 10 provincesOne Supplier.
One Call. One Delivery.
Most commercial builds run on 5+ suppliers. That means 5 invoices, 5 delivery windows, and 5 points of failure per phase. GP consolidates all of it.
- 5+ suppliers
- 5 invoices
- 5 delivery schedules
- 5 points of failure
- Hours chasing quotes
- 1 supplier
- 1 invoice
- 1 coordinated schedule
- 1 account manager
- Quote in 48 hours
Trusted Across Canada's
Construction Industry
Join the builders who trust GP for every phase of their project — from foundation to finish.
Request a Project QuoteReady to supply your next project?
Get a custom quote in 24 hours. Our team works directly with your plans to build a complete material package — at volume pricing.