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How to Choose Canvas Stretcher Bars: Expert Tips for Perfect Canvas Framing


How to Choose Canvas Stretcher Bars: Expert Tips for Perfect Canvas Framing

Whilst there are a wide range of pre-stretched canvas options from respected brands like Canvars, Daler-Rowney, Winsor & Newton and more, sometimes they may not carry the size an artist is seeking.

Understanding the art of canvas stretching, with its stretchers, cross bars, tools and more, is paramount to producing your very own bespoke, personalised canvases for completely unique work at a scale and size comfortable to you.

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Stretcher pieces, what are they & how do they work?

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Wooden Stretcher Pieces

Made with 100% FSC-certified pine, our stretcher pieces come in both 19mm and 38mm thicknesses and  feature easy-to-use connectors that simply slot together providing straightforward, reliable support to a  vast range of canvas sizes.

Key Features

- Available in a variety of sizes

- Easy-to-use corner connectors 

- Lightweight wood with a sanded finish 

- 19mm offers a slim option for lighter applications 

- 38mm offers robust support for larger or heavier work  

Best for: Those new to stretching their own canvases

Exhibition Stretcher Pieces

Our range of Exhibition Stretcher Pieces are made from structurally sound European pine, offering gallery  quality, exhibition ready frames in a variety of sizes or scales.

Key features

- Available in several sizes 

- Extra-strong for reliable displays 

- Smooth, splinter-free European pine 

- Precision engineered corner alignment  

Best for: Professionals looking for bespoke sizes to display in an exhibition

Cross Bars, what are they & when do you need them? 

Cross bars are placed across the rear of the canvas, offering additional support to larger pieces when  needed. Dependent on scale, you may need only one, or up to four. 

Wooden Cross Bars

Similar to our stretcher pieces, these 100% FSC-certified pine cross bars come in both 19mm and 38mm  thicknesses designed to provide straightforward, reliable support to larger canvas sizes.  

Key Features

  • Available in a variety of sizes 
  • Designed to prevent sagging or bowing
  • Straightforward, easy-to-use design 

- Offers reliable support to larger frames 

- 19mm is a slimmer, lightweight option for lighter applications 

- 38mm is more robust, ideal for heavier mediums 

Best for: Artists’ seeking support to work on larger, more involved pieces.

Canvas Stretching Tools

Loxley Cast Iron Canvas Pliers

With their serrated jaws and cast-iron construction, these heavy-duty pliers from Loxley make stretching  canvas easier, offering more consistent stretching results.  

Key features 

- Heavy cast-iron construction 

- 20cm length for additional leverage 

- 760mm wide serrated jaws for exceptional grip 

- Long-lasting professional tool offering clean, uniform results 

Best for: Artists’ looking for consistency, perhaps across a series of works.

Rapid R53 Staple Gun

Ideal for attaching canvas to your newly constructed frame, this user-friendly staple gun from Rapid  features a comfortable low angle handle, offering both recoilless functionality and noise dampening.

Key features

- Lightweight & user-friendly 

- Ergonomically designed for comfort 

- Includes an integrated locking function 

- All-steel internal mechanisms offer durability 

- Recoilless and noise dampening for quiet work 

Best for: All bespoke canvases, but especially useful with larger scale work.

Frequently Asked Questions

1. What size stretcher bars should I choose for my canvas? 
Although the size is entirely dependent on the scale of work you’re hoping to achieve, it’s best to note  that you cannot mix the 19mm, 38mm or Exhibition options as they feature unique locking mechanisms  that are incompatible with one another. 

2. Do canvas stretcher bars affect the longevity of paintings? 
High-quality stretcher bars will maintain their rigidity as time goes on, ensuring canvas tension and  preventing any unfortunate sagging, cracking or deformations from forming in your work.

3. Are cross bars necessary for all canvas sizes? 
Cross bars only become necessary on larger canvas frames, providing extra reinforcement to maintain their shape & preventing any structural deformation or warping over time.

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