Shop Lumber, Composites, & Paneling

When it comes to high-quality home renovation products and browse all building supplies, no one beats Chamberlain Timber Mart. With our vast online assortment of dimensional lumber, boards, and paneling supplies, you can cross every material off your to-do list. As your local lumber store in the Muskoka region, we serve Gravenhurst and the greater Central Ontario area with expert advice and premium materials. Whether you are a professional contractor seeking specialized products for commercial construction or a do-it-yourselfer looking for guidance at a local home improvement store, we provide the reliable inventory you need. We partner with the industry's most reputable brands to ensure you receive durable, high-performance building products. To streamline your next purchase, you can create account online today.

Choosing the right wood is essential for the structural integrity of your project. chamberlaintimbermart.ca offers industry-approved dimensional lumber and boards, including 1-in cedar lumber, 1-in pine lumber, 1-in sienna pressure-treated lumber, 1-in spruce lumber, and 2-in cedar lumber. For heavier framing, we stock 2-in pine lumber, 2-in sienna pressure-treated lumber, 2-in spruce lumber, 4-in cedar lumber, and 4-in sienna pressure-treated lumber. We also carry specialized sizes like 5/4-in cedar lumber, 5/4-in sienna pressure-treated lumber, 6-in cedar lumber, 6-in sienna pressure-treated lumber, and 8-in sienna pressure-treated lumber. Dimensional lumber is the backbone of Muskoka construction because it is lightweight yet strong. Our pressure-treated sienna products are specifically designed to withstand the humidity and varying temperatures of the Ontario climate, preventing decay and insect damage.

Beyond standard framing, we provide a massive variety of specialized sheets and panels. Our inventory includes acrylic panels, good one side plywood, marine plywood for dock-related projects, and sienna pressure-treated plywood. For finishing and aesthetics, we offer mdf panelling, osb & apsenite paneling, and veneer plywood. If you are working on energy efficiency, our insulated wall sheathing is a perfect choice for modern builds. We also carry dressed fir timbers, hemlock timbers, and rough fir timbers for those seeking a more rustic or structural look in timber framing.

Your one-stop shop extends to the finer details of your home. We stock moisture shield composite decking and trex composite decking for low-maintenance outdoor living. To finish your interior, browse our cedar moulding, finger-jointed pine trims & moulding, mahogany moulding, primed mdf trims, and solid oak moulding. We even carry stair parts and vinyl & pvc moulding for moisture-prone areas. For those tackling unique builds, we provide steel track & studs and steel i-beams to ensure maximum structural load-bearing capacity.

As a premier local lumberyard, Chamberlain Timber Mart understands the logistical challenges of building in the Gravenhurst-Muskoka region. Our fleet of trucks, including two boom trucks, ensures that your browse all renovation supplies reach your job site safely and on time. Beyond lumber, we are a full-scale local home renovation store offering ceiling tiles, kitchen cabinets, bathroom cabinets, railing, home appliances, doors and windows, drywall, engineered wood products, and power tools. We also carry dock parts, fencing, plumbing products, electrical products, and flooring options like twelve oaks flooring. From paint and sealants to roofing and insulation products, we are committed to being your long-term partner in building. For personalized service, please contact us or sign-up online to explore our full inventory of home improvement and building supplies.