Derivan CanvasJack Primed Stretched Cotton Canvases 38mm Thick 420gsm – Art Supplies Australia

In basic terms, the value of tension for a canvas stretcher is crucial to its future life. Uneven tension may eventually lead to creases and, possibly even, separation of the paint layers from its substrate. Key-expandable stretchers date back as early as the second half of the 19th century. They automatically corrected the process of progressive canvas re-stretching by expanding the corners of the stretcher, although they were let down by their mechanics, which were not up to the task. Derivan CanvasJack on the other hand is a long term stretching solution .

Introducing Derivan CanvasJack System of Pre-Stretched Canvases

The Canvas Jack System included in these artist quality pre-stretched canvases is designed to easily, quickly and evenly adjust and control tension on the canvas surface. Available in acrylic primed Cotton and Linen quality in a variety of frame sizes and featuring gallery wrapped canvas with corner folds (no trimmed corners). Bars and braces are manufactured using sturdy, straight and clear (no knots) Popplar wood.

closed corner joint

With a Simple Turn...

The unique pulling action is simple but precise, allowing the user to expand the bars of the canvas gradually with just the turning of a single wing nut per corner. The braces offer added stability in each corner, holding the frame square throughout its lifetime.

expanded corner joint

Created and realized by artists, this product is intended to improve the quality and life of a canvas while making it easier for the painter (or for future conservation) to stretch and control the tension on a stretched canvas...

*Please Note:

"For single piece canvas purchase or combination of single pieces of various sized canvas purchase, please contact customer service for freight quote.  Email: info@artsuppliesaustralia.com.au, Tel: 02 9477 7881.  Pick up from warehouse doesn't require freight quote or freight"

*Please Note: For freight safety, two or more pieces of same size, or close sizes purchased together are required.

Pick up from warehouse doesn't require freight.

*Please Note: For freight safety, two or more pieces of same size, or close sizes purchased together are required.

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  • 20''x24'' (51x61cm)

    weight: 1.0 kg 0 9SCJ2024B

    9SCJ2024B

    $32.63 $54.38 40% off
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  • 36''x36'' (92x92cm)

    weight: 4.0 kg 10000 9SCJ3636B

    9SCJ3636B

    $64.89 $108.15 40% off
  • 36''x48'' (92x122cm)

    weight: 4.0 kg 10000 9SCJ3648B

    9SCJ3648B

    $82.28 $137.13 40% off
  • 40''x40'' (102x102cm)

    weight: 4.0 kg 10000 9SCJ4040B

    9SCJ4040B

    $73.26 $122.10 40% off
  • 40''x60'' (102x153cm)

    weight: 5.0 kg 10000 9SCJ4060B

    9SCJ4060B

    $93.88 $156.46 40% off
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