Quality
Built to
Last.
RWC Group supplies projects with premium aluminum windows, doors, and sliding systems — natural stone and wood exterior cladding. Built to last. Across Canada.
Building Supply
Specialists.
Across Canada.
RWC Group is a Canadian building supply company dedicated to sourcing quality, long-lasting materials for your home and commercial projects. We carry premium aluminum windows and doors, natural stone veneers, wood and composite exterior cladding — all built to perform for the long term.
Whether you're a homeowner, a contractor, or an architect — we service all of Canada and are here to help you find exactly what your project needs.
The Systems Gallery
Every window and door system is premium aluminum — engineered for high-performance architectural fenestration.
Window Systems
High-performance casement, tilt & turn, and fixed windows. Precision-engineered aluminum profiles with thermal breaks for Canadian climate performance.
Door Systems
Pivot, swing, and lift-and-slide entrance doors crafted with precision-milled aluminum. From monumental pivot doors to sleek minimal entries.
Sliding Systems
Lift-and-slide and minimal sliding wall systems that dissolve the boundary between indoor and outdoor. Available in configurations up to 7 meters wide.
World-Class Windows.
Precision Doors.
Premium Aluminum.
European Engineering
Our premium aluminum windows and doors are sourced from one of Europe's leading innovators in high-performance fenestration. Every system is engineered for durability, thermal efficiency, and design flexibility.
Built for Canada
The aluminum systems we supply are manufactured for the Canadian climate — meeting local building code requirements and delivering the thermal performance needed for our harsh winters and varied summers.
Serving All of Ontario
From coast to coast — RWC Group delivers premium windows and doors across Canada. Our team provides expert specification support for projects of all scales, wherever you're building.
High-performance aluminum · ISO 9001 Certified · Passive House Certified · Thermal Break Technology · Supplied Across Canada
Wood. Stone.
Premium. Built to Last.
We carry the finest exterior cladding products available — Accoya, thermal ash, western red cedar, hemlock, European spruce, and natural stone veneer. Materials selected for longevity, beauty, and performance in Ontario's climate.
Accoya
Accoya is widely regarded as the most durable modified wood on the market. Acetylation — a non-toxic, water-based process — permanently transforms the wood at a molecular level, making it dimensionally stable and virtually impervious to rot. Guaranteed for 50 years above ground.
Thermal Ash
European ash thermally modified at 185–215°C produces a rich, consistent dark-brown tone with dramatically improved durability. A premium decorative cladding species with a striking open grain — increasingly specified for high-design residential and commercial façades.
Western Red Cedar
A Canadian classic. Western red cedar contains natural preservatives (thujaplicins) that make it inherently resistant to decay and insects without modification. Lightweight, straight-grained, and dimensionally stable — with a warmth that weathers to a distinguished silver-grey.
Western Hemlock
Thermally modified western hemlock offers excellent dimensional stability and a clean, fine grain ideal for smooth, contemporary profiles. Sustainably sourced from British Columbia, it performs reliably in Ontario's demanding climate when heat-treated — a workhorse species elevated by modern modification.
European Spruce
Scandinavian-grown European spruce, thermally modified under the Thermowood process, produces a pale-caramel cladding with a refined, consistent appearance. Popular in Nordic architecture and increasingly specified across Ontario for its clean aesthetic and excellent value.
Natural Stone
Real stone delivers permanence and character that no synthetic product can replicate. We offer a variety of options including full bed stone and architectural panels — limestone, granite, and fieldstone suited to contemporary and traditional architecture alike.
The Best Material
for Every Project.
We don't push one product — we carry a curated range of the world's best exterior cladding materials so we can recommend the right solution for your budget, aesthetic, and performance requirements. Whether that's the unmatched durability of Accoya, the natural character of western red cedar, or the refined depth of thermal ash.
All our wood cladding is available in multiple profiles, pre-finished or raw, and can be specified for vertical, horizontal, or feature-wall installations. Stone veneers are available cut-to-size for both interior and exterior use.
We'll help you spec the right cladding for your project.
Engineered White Oak.
A Floor for a Lifetime.
Premium engineered white oak flooring — wide-plank, custom lengths, multiple finishes. Supplied across Canada.
Natural grain.
Engineered to last.
The Benchmark Species
for Fine Interiors.
White oak's tight, straight grain and closed cellular structure make it one of the most dimensionally stable hardwoods available. Unlike red oak, white oak's tyloses seal the wood's pores — making it naturally moisture resistant and ideal for wide-plank formats that stay flat in Ontario's humid summers and dry winters.
Our engineered construction bonds a premium white oak veneer to a 5-ply European birch core — delivering the beauty of solid hardwood with superior dimensional stability and compatibility with radiant in-floor heating.
Wide-Plank
Long Board
Herringbone
& Chevron
Specify your width, length, finish, and layout.
Contact Us.
Let's Build Together.
Canada
Monday – Friday
08:00 – 17:00 EST