At North Dundas Building Supplies, we stock a large inventory of building materials and hardware at all times. This allows us to supply your building needs with quality and on-time delivery service. From framing materials to engineered trusses and roofing supplies, we stock all the lumber and building products you need for your renovation project or new home build.

We have you covered with quality drywall, flooring, moulding and trim, paint and all your other finishing needs. Visit us or browse our online photo galleries of windows, entrance doors, garage and patio doors, siding, landscaping products, decking, fencing and railings. 

We're also proud to serve our local-area farmers and agricultural businesses. Along with our large selection of tools and hardware, we carry interior wall and ceiling products that offer an excellent alternative to steel, fibreglass or other materials. These products provide years of low-maintenance, high-quality use while creating a clean, crisp look in your workspace.

Our services include estimates on all your building needs, key-cutting, paint mixing and delivery. Contact us to learn more.

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Hours of Operation (Winter Hours - January 1 - April 28, 2024)

Monday: 7:00am - 5:00pm
Tuesday: 7:00am - 5:00pm
Wednesday: 7:00am - 5:00pm
Thursday: 7:00am - 5:00pm
Friday: 7:00am - 5:00pm
Saturday: 8:00am - 4:00pm
Sunday: CLOSED

12642 County Road 43
Winchester, Ontario
Call: 343-766-6000
Email: e2eae421QEuE4n5ThzLCbu.-UHJE|


At North Dundas Building Supplies, we offer a wide variety of building and renovation materials from trusted brands. Our team can assist you with all your building and renovation questions, and our professional services can help get the job done faster and on budget.

For more information on our services, visit us in-store or request an estimate today.;

Key Cutting

Key Cutting

We cut house keys, car keys, chipped transponder keys and mailbox keys. We also rekey your locks, all while you wait.

Paint Mixing

Paint Mixing

We use professional techniques to meet your colour needs. Bring us a paint chip, fabric sample, or anything else to match.



We deliver locally as well as to Ottawa, Morrisburg, Spencerville and Cornwall. Contact us about our great rates!

Hardware Catalog

Hardware Catalog

Research and create a list of building materials and tools, exterior and interior products, kitchen and bath materials, deck, patio and fence products you need. Easily browse through our online catalog of over 50,000 products and trusted brands. Print your shopping list and bring it to the store, or email your list to us and we can have it ready for you to pick up!


Browse Our Catalog

Agricultural Building Products for Your Farm or Garage


These high-quality wall panels create clean workspaces suitable for your barn, garage or hangar. Not only are they durable, resistant to impact, and easy to maintain, but they're also Health Canada approved.

Give our team a call and we can help you assess your needs, measure your space, and arrange for installation.


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