Lumber & Building Materials 

Ask us about delivering your building materials

Dukes Building Supplies is your one-stop shop for dimensional and treated lumber, plywood, OSB boards, insulation, drywall, concrete, rolled roofing and more.


Type of Lumber Characteristics 
Pressure Treated Green hue because of the chemicals used to preserve it, over time the colour fades to a silver look. Preservatives help protect the wood from attack by termites, other insects and fungal decay. Requires maintenance or sealing, paint or stain every 1-3 years.
Composite  Wood/plastic and Capped Composite wood can be used around water including docks, marinas, pools, and spas. Customizable underdeck draining, lighting and fastener-free options. Low maintenance, sustainable, resistant to rot, doesn't warp, won't giv­e people splinters, customizable, and doesn't need to be painted, stained or sealed
Brown Decking Pressure treated wood that looks like cedar. Much less corrosive to fasteners and metals than ACQ.


Type of Insulation Characteristics 
Rigid Foam Ideal for ducts and HVAC units that have high fluxuations in temperature. Can be used for exterior and interior purposes.
Batt Insulation Ideal for unfinished walls, foundations, joists, walls and ceilings.
Blown In

Ideal for home renovations and existing walls, attic floors, and space-restricted areas with obstacles.

Expanding Foam  Ideal for sealing around windows and doors.
Recycled paper/ Cellulose: Ideal for "green" builders, helps to increase energy efficiency and is eco friendly.

We have included a range of the brands we carry instock and, for your convenience, we've linked to their websites.

If you don't see what you're looking for, let us know and we will source the world for it. Our staff of experts can provide you with a competitive estimate for any of your projects. Request a quote right now, visit us in-store or contact us.