The selection of heavy duty stretcher comes in three styles. The first is the medium/heavy duty. These are 1 3/16" " deep X 1 3/16" wide. It's a compromise in that you get some of the strength without going for thick frames that cost much more. The second choice is the 1-½" deep X 1 ½" wide midi bars. In these you get extra width without having to spend too much. The bullies are the super heavy duty stretcher bars that are 1 ½" deep but 2" wide. These are for use when you have a canvas that's very large and that needs a foundation of exceptional value.
The medium/heavy duty stretcher bars offer the buyer a generous side profile without costing 'an arm and a leg'. These bars are not as thick as the 1 ½" ones and so it's quite likely that these will need reinforcing subsequently with braces. The heavy duty stretcher bar will give you excellent smooth stretching that causes lower resistance ensuring that the canvas lasts for a lifetime. The overall weight is also lower. But it's advisable to use braces when the length exceeds 45" in order to prevent bending. The super heavy-duty bars are very impressive in terms of strength and mass. You'll get the sturdiest bars in return for your money. The value of art and the tendency of bars to bend increase with time in case the right selection has not been made in the beginning.
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