4x4 Hardcore Pro Poitiers Plein Air Canvas Panel #HQ-0404

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4x4 Hardcore Pro Poitiers™ Portriat Smooth Oil Primed Artfix Linen Plein Air Canvas Panel HQ-0404

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Hardcore Pro Canvas Panels are simply extraordinary! Both studio and Plein Air artists will have a field day with these finely made 1/8" thin panels. Each panel inspected and detailed to provide you with the highest quality panel on the market. We seal the front with four layers of sizing and cover the back with vinyl making both the front and back an impervious moisture barrier. We offer 11 glorious canvas surfaces in this 4x4 size, which you can expediently find in the Explore hyperlink(s) below.


True 1:1 Square Proportion - 4x4 Size

4x4 is a popular small size square size.

The square is perhaps the most intriguing proportion, as it is root of all of the other proportions. It is commonly used in both photography and art. Squares are typically used as the center canvas of a triptych or as a single canvas hung at a 45° angle. The square proportion is long used with medium format professional cameras, and most photographs we see on websites and social media are based on square images. Since all sides of the canvas are the same length, your eye is drawn evenly across the surface of the painting creating a sense of harmony, balance, and a generally a pleasing visual experience. The square format is also a good choice for artists who focus on geometric shapes or patterns in their work, as the regularity of the square shape can help reinforce these elements. Some artists enjoy the challenge of working within the confines of a square format, as it forces them to think creatively resulting in intriguing compositions.

Explore other sizes in this same 1:1 aspect ratio:



Explore Related Products to this 4x4 Size:


Poitiers™ Portriat Smooth Oil Primed Artfix Linen

Our smoothest oil primed linen canvas. It is a heavy weight linen with a captivating warm golden hue tone.

  • 100% Belgian Linen 6.2 oz.; Primed Weight 14.1 oz. per square yard
  • Meidum Weight, Fine Weave, Portrait Smooth Texture
  • Double Sized and Quadruple Primed with acid-free archival quality oil primed ground
  • Impenetrable ground prevents oil paint from leaching through and harming the canvas
  • For oils, alkyds, and water miscible oil paints
  • Linen has natural oils that prevent disintegration over time.

Titanium Dioxide (TiO2) Primer Pigment

This primer contains premium-grade Titanium Dioxide (TiO2) white pigment, renowned for its exceptional performance for oil priming. Its standout feature is its enduring whiteness, coupled with remarkable flexibility that persists over time. In contrast to other pigments such as zinc dioxide, Titanium Dioxide maintains its resilience, preventing brittleness as it ages. This quality ensures that artworks retain their integrity and will stand the test of time.

Artfix Poitiers™ Portrait Smooth Belgian Linen offers a luxurious surface, ideal for highly detailed work. Preferred by portrait artists because it is so smooth for linen. Due to the nature of how flax plants are turned into linen textiles, there may be variations in yarn thickness thereby creating fabric that is individual in nature and has character. There can be infrequent naturally occurring nubs in the linen which may yield small slight bumps where the linen is a little thicker than the rest of the strand. This is normal and part of what gives linen its character.

Oil paint on an oil primed canvas improves your results

Using an oil prepared canvas for oil painting can produce superior results because the paint and ground are organically similar and create an ideal "chemical bond" where the paint sinks into the ground resulting in a smoother and more even finish. The resulting bond between the paint and canvas is stronger, making the artwork more durable and long-lasting. Additionally, the melding of the two oil-based materials creates an effect called luminosity, where the colors appear to glow from within, and thereby enhances the vibrancy and brightness of the colors, impacting the way light reflects off the colors.

Flash an Oil Prepared Canvas with Mineral Spirits

While it is not required, for best results, lightly wipe or flash the oil prepared canvas with mineral spirits before painting to make sure that your surface is completely clean of any dust or contaminants before painting.


Our Hardcore Pro Pro Canvas Panels are the flattest on the market. They are made using MDF (medium density fiberboard) which is the highest quality engineered wood board on the market. Moisture in the board can cause undesirable results to the panel and your artwork, which is why we size the board with four layers on the front before the canvas is mounted, thereby defending against moisture getting into the board and underneath your artwork.

Canvas Panels should be as flat as possible, otherwise, they don't display well in a frame, and can create spaces between the artwork and the frame. A bowed panel is also a sign of having been impacted by the effect of moisture. Canvas can shrink, even after it is mounted on the board. For this reason, Masterpiece® developed a unique proprietary process that stress-relieves each panel, thereby virtually eliminating the bow that is commonly found in competing panel products. Hardcore Pro Canvas Panels provide a stable foundation for your art.


Panel Porter™ wet carriers are the most secure and versatile on the market!

  • Mix and match to make any size carrier you want!
  • For this 4x4 sized Panel, you could buy two pair 4" Panel Porters
  • You can then combine these sizes with other size Panel Porters™ to create an entire new wet panel carrier.
  • Each carrier securely transports two wet panels
  • Metal locking pins secure frame together to protect your precious artwork
  • Carry Panel Porters™ in your bag or backpack to match the panel sizes you paint
  • Assemble frame carriers after you have completed your paintings
  • Air holes in the corners allow your painting to breathe while drying
  • Panel Porters™ are great for shipping your artwork
  • Masterpiece® makes over 75 standard sizes of canvas panels, so with Panel Porter™, you are liberated to paint sizes you've never tried before and still have an economical and secure carrier to match

Simply touch one of these impressive canvases and the quality of our materials, workmanship, and design will be immediately obvious to you, and to those who will ultimately acquire your art. The canvas you select becomes the foundation of your painting. Your reputation depends upon the quality of your artwork and the integrity of your material choices. Savvy art buyers and art enthusiasts place a higher value on artwork made with quality materials because they expect their investment in your art will last hundreds, if not a thousand years. Using quality paints and a well-made canvas is an investment in your legacy and your brand.


Art does not reproduce the visible; rather, it makes visible. ♦ Paul Klee

Paul Klee, with his abstract blocks of color and peculiar lines, was not just painting what he saw. He was painting what he felt, what he believed, and perhaps, the unseen rhythms of the universe. Klee's proclamation delves into a truth many artists grasp: that art is not a mere mimicry of the world, but an unveiling of its deeper layers.

It's akin to looking beyond the surface of a serene lake to spot the teeming life underneath. As artists, we don't just reproduce the sunsets or the faces; we present emotions, thoughts, and narratives that might otherwise remain hidden. We become translators of the intangible, the unsaid, and the overlooked.

So, the next time you gaze upon a canvas, remember Klee's words. See not just the image, but the emotion, the story, and the heart behind it. For in art, we have the privilege to show the world not just as it is, but as it could be.

With a nod to Paul Klee, we present these words of wisdom and our own custom crafted portrait. Let this fusion stoke your creative fires. Dive into your art!


Additional Details

Canvas and Depth:
Hardcore Canvas Panel
Weight and Style:
14.0oz Poitiers Portrait O/P
Canvas and Ground:
Linen Oil Primed
Tooth and Texture:
Portrait Smooth
4 Inch
4 Inch
Aspect Ratio:
1:1 Square

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