Finger-spliced for extra strength and straightness, these 1.5" high bars from Blick Art Materials are knot-free and made in the USA. Best Pro-Bar System Utrecht Art Supplies& more Go to product viewer dialog for this item.

Best for large paintings (over 36") or heavy mixed media where structural integrity is critical. Pro-File Heavy Duty Extra Deep Wood Stretcher Bars Jerry's Artarama Art Supplies Go to product viewer dialog for this item.

These are 2.5" deep, museum-quality bars made from kiln-dried pine. They feature a unique bracing system for maximum durability on massive canvases. BEST Heavy Duty Stretcher Bar Blick Art Materials& more Go to product viewer dialog for this item.

To buy the right canvas stretcher bars, you should match the bar's "duty" level and depth to the size of your project. Standard bars work for small pieces, while heavy-duty or aluminum-reinforced bars prevent warping on large-scale works.

Available at Wayfair, this DIY-friendly kit includes everything from pre-cut bars to wall hangers and can be assembled in about 10 minutes. EasyWrappe Standard EWS Bars Breathing Color& more Go to product viewer dialog for this item.

A convenient kit that includes two bars, a cross brace, and assembly hardware. It's solid, kiln-dried wood designed for stability. P&l Art Gallery Wrap Canvas Stretcher Bar Kit Wayfair& more Go to product viewer dialog for this item.