
About Us
Canada's Exterior Material Specialists
Premium exterior building materials for contractors and builders across York Region, the GTA, Simcoe and Durham

Newmarket, Ontario - Our Distribution Centre
Our Story
Built for contractors, by people who know the trade
Exterior Pro Materials was founded in Newmarket, Ontario with one clear purpose: to make it easier for contractors, builders, and developers to source high-quality exterior materials without the runaround.
We are an authorized dealer and distributor for James Hardie, Kaycan, Alu-Rex and more, giving our customers direct access to full product lines with knowledgeable support behind every order.
Founded
Exterior Pro Materials established in Newmarket, Ontario as a dedicated exterior building materials distributor.
Authorized
Became an authorized dealer and distributor for James Hardie, Kaycan, Alu-Rex and more.
Today
Supplying contractors and builders across York Region, the GTA, Simcoe County and Durham Region from our Newmarket showroom and warehouse.
What Drives Us
Vision & Mission
Our Vision
To be Ontario's most trusted source for exterior building materials
We envision a future where every contractor and builder in the communities we serve can access premium exterior materials with complete confidence - knowing they're getting the right product, at the right price, backed by people who understand the trade.
Our Mission
To make sourcing exterior materials simple, fast, and reliable
Our mission is to remove friction from the supply chain - providing contractors, builders, and developers with deep product inventory, same-day quote responses, and knowledgeable support on every order, so their projects stay on schedule.
What We Stand For
The principles behind every order
Authorized & Accountable
We are an authorized dealer and distributor for James Hardie, Kaycan, Alu-Rex and more. Every product we supply meets the manufacturer's quality standards.
Deep Stock, Fast Response
We keep deep inventory so your job site doesn't wait. Most quote requests receive a response within one business day, and most orders ship promptly.
Contractor-First
We built this business for contractors, builders, and developers. Our pricing, processes, and team are calibrated to the way professionals buy materials.
Built for Canada
Our products are rated for Canadian climate conditions - engineered to handle freeze-thaw cycles, UV exposure, and the full range of Ontario weather.
Authorized Dealer & Distributor
The brands behind our catalogue
Authorized dealer and distributor for James Hardie, Kaycan, Alu-Rex and more, giving you access to full product lines with the confidence of manufacturer backing.
Premium Canadian vinyl siding & exterior solutions
Mitten is one of Canada's leading manufacturers of vinyl siding, soffit, and exterior trim products - engineered for our climate and built to last.
View productsWide-range exterior materials - siding, soffit, fascia & more
Kaycan offers one of the broadest ranges of exterior building products in Canada, including vinyl siding, steel siding, soffit, fascia, eavestrough, and accessories.
View productsWhere We Operate
Supplying contractors across York Region & Simcoe County
We are based in Newmarket, Ontario and serve contractors, builders, and developers across York Region, Toronto, Simcoe County, and surrounding communities. Whether your project is residential, commercial, or multi-family, we've got the inventory to back it up.
Unit 5, 1235 Journey's End Cir
Newmarket, ON - Canada
Mon – Fri 8:00 am – 5:00 pm · Sat 8:00 am – 4:00 pm ET
Service Areas Include
- Aurora & Newmarket
- Vaughan
- Markham
- Richmond Hill
- King City
- Toronto, Scarborough & North York
- Barrie
- Innisfil
- Orillia
- Bradford
- Alliston
- Cookstown
- Georgina
- Uxbridge
- Whitby & Pickering
- Rama & Lagoon City
Don't see your area? Contact us. We're always expanding our reach.
