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Stretcher Bar
Definition
Stretcher Bars are wooden support frames used to stretch and secure loose canvas, providing a rigid structure suitable for painting and framing. They form the foundational support for all stretched canvas artworks and are critical in both studio and gallery settings.
Materials and Construction
- Typically made from kiln-dried softwoods such as pine or fir to reduce warping.
- Available in various cross-sectional profiles to accommodate different canvas thicknesses.
- Precision-cut corners, sometimes with interlocking keys, allow for tension adjustments and strong joints.
Uses
- Providing a taut surface for painting with oils, acrylics, or mixed media.
- Forming the structural base for gallery-ready stretched canvases.
- Serving as the substrate for mirror wraps and decorative canvas mounting techniques.
Related Techniques
- Mirror Wrap - canvas edges wrapped around the stretcher bar for a frameless appearance.
- Canvas Stretching - the process of pulling and stapling canvas to a stretcher bar.
- Stretched Canvas - the final result of a canvas secured to a stretcher bar.
- Strainer Bar - simpler support bars used in less permanent or smaller canvas applications.
