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Black Box Canvas | 40mm Deep Edge | 2 Pack | ACF

Black Box Canvas | 40mm Deep Edge | 2 Pack | ACF

5.0 1 review
From £15.95
Size · choose one or more
400 x 400mm · Square
2 Canvases · £15.97 each
£31.95£37.95
501 x 610mm
2 Canvases · £21.97 each
£43.95£51.95

Each option includes 2 Box Canvases. Price shown is for the full set.

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D
Deborah Winters
Great little boxy canvases

Great little boxy canvases, real quality
5 stars

Thanks again Deborah. Two reviews, you're spoiling us.

"The super smooth surface is an absolute pleasure to paint on, and tight as you like. I'm definitely a forever fan."

Zulfi Alarakhia

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The build.

The details

The build.

  • 300gsm 100% PET artist canvas with ACF's proprietary gesso coating
  • 40mm deep-edge profile, gallery-wrap ready
  • Bevelled strainer edges to prevent surface lines under brushwork
  • Corners folded (not cut) for full restretching bleed
  • MDF strainer system - dimensionally stable, no pine warping
  • Pre-prepared and ready to paint - no priming required for most mediums
  • Sold in packs of 2
  • Available from small study sizes up to 1000mm × 1000mm
  • Manufactured in South Africa

Why artists switch

Traditional canvas vs ACF Box Canvas

ACF100% PET fabric - moisture stable, tension holds
UsualCotton or linen fabric - reacts to humidity, tension drifts
ACFMDF strainer system - dimensionally consistent, won't warp
UsualPine strainers - warp with modern fast-grown timber
ACFProprietary gesso - even oil holdout, no blotching
UsualStandard absorbent ground - soaks oil unevenly, leaves blotches
ACFBuilt to take palette knife and heavy texture without denting
UsualDents under palette knife or heavy texture work
ACFPolyester proven stable across the equivalent of 80 years of museum display (V&A research)
UsualOften needs restretching within a single lifetime

Questions artists ask

Do I need to prime or gesso this canvas before painting?

No. The canvas arrives pre-coated with our proprietary gesso, ready to paint straight from the box - for oils, acrylics, mixed media and fluid art. You can apply additional gesso if your technique calls for it, but it isn't required. TIP: For oils, mixing mineral turps and linseed oil into your underpainting works particularly well on this surface.

Will the canvas stay tight over time?

Yes. The fabric is 100% PET, which doesn't react to humidity the way cotton or linen does, so tension stays where you set it. The strainer is MDF - dimensionally stable, no pine warping. Independent research at the Victoria & Albert Museum found polyester showed no measurable loss of strength under museum conditions equivalent to 80 years of display.

Can I use oils, acrylics and heavy texture on it?

Yes. The 300gsm PET surface holds oil evenly without sinking, takes acrylics without absorption issues, and handles palette knife and impasto work without denting. For oils, mixing mineral turps and linseed oil into your underpainting works particularly well on this surface.

How many canvases come in a pack, and what sizes are available?

Box Canvas is sold in packs of 2. Sizes range from small study formats up to 1000mm × 1000mm (40″ × 40″) and an A0 (1189mm x 781mm) Every canvas in the pack is matched in tension and finish.