Floating Picture Frame: How a Floater Frame Displays Canvas Art

What Is a Floating Picture Frame?

A floating picture frame is a frame in which the canvas sits inside an open timber surround with a small gap on every side, so the painting appears to float within the frame. Nothing overlaps the front of the artwork: the entire painted surface, including the edges, remains visible.

You will also hear this style called a floater frame, and in the UK it is often sold as a tray frame. All three names describe the same construction. Instead of a rebate that grips the artwork from the front, a floating frame has an L-shaped profile: a flat platform at the back on which the canvas rests, and a raised outer wall that surrounds it. The narrow shadow gap between the canvas edge and that wall is what creates the floating effect.

I build these frames regularly for stretched canvases, and in my experience they solve a problem that standard frames cannot: how to frame a painting whose edges are part of the work itself.

How I Build a Floating Frame in My Workshop

Every floating frame that leaves my workshop starts as solid timber, not a ready-made moulding. I rout the L-shaped profile myself, which lets me match the platform width and wall height exactly to the stretcher I am framing. A shallow gallery wrap needs a different section than a thick studio stretcher, and routing the profile to order means the canvas never sits too deep or stands too proud.

Once the profile is milled, I saw the mitres, join the corners and prepare the surface for its finish. On painted versions that means layered grounds sanded between coats; on gilded versions it means gesso, bole and genuine gold leaf laid by hand. The inner wall of a floating frame is fully visible from the front, so it receives the same care as the face. A frame where only the front is finished looks unfinished the moment you view it at an angle, and with a floating frame you always see into the gap.

Floating Frame, Box Frame or Standard Frame?

These three constructions are often confused, and choosing the wrong one is the most common framing mistake I see with canvas art.

A standard frame has a lip that overlaps the front of the artwork by around five millimetres on each side. That overlap hides the edge of the canvas and slightly reduces the visible image. It is the right choice for works where the edges carry no information and for anything framed behind glass with a mount.

A floating frame reverses this logic. The artwork stands clear of the surround, nothing covers the surface, and the shadow gap becomes part of the presentation. It suits paintings with finished or painted edges and any work meant to read as a complete object.

A box frame is a deeper construction again, with real depth between the artwork and the glazing. It exists to protect and display works that need air space or enclosure, and it deserves its own discussion: I have written a separate guide to the American box frame for a painting, which explains when that depth is worth having. As a rule of thumb: if the question is how to show the whole painted surface of a canvas, you want a floating frame; if the question is how to enclose and protect something behind glass, you are in box frame territory.

Which Artworks Suit a Floating Frame

The floating frame was developed for canvas, and that remains its natural home. It works particularly well for:

• Oil and acrylic paintings on stretchers, especially where the artist has painted the edges or left them deliberately raw. When I take on framing oil paintings, a floater is often the first option I discuss for contemporary work.
• Gallery wraps and printed canvases, where the image continues around the sides. A conventional lip would cut into the wrapped image; a floating frame shows it. This is one of the most frequent requests in my framing canvas prints service.
• Paintings on thick panels or boards, which sit handsomely on the platform and gain presence from the shadow gap.

What a floating frame is not suited to is work on paper. A loose print, drawing or watercolour cannot stand on a platform; it needs hinging, a window mount and glazing, which is a different discipline covered by archival and museum framing. If you are still weighing up the options for a stretched work, my overview of the types of picture frames for canvas paintings compares every construction side by side.

Finishes That Work in a Floating Frame

Because so little of a floating frame is visible from straight on, the finish matters more, not less. A few centimetres of timber have to hold their own next to the painting.

Black is the classic choice. A matt or satin black floater deepens the shadow gap and makes colours in the painting appear more saturated; most of the black picture frames I make for contemporary canvases follow this logic. White does the opposite: it lightens the presentation and suits pale, minimal work, which is why white picture frames in floater form are popular for photography on canvas and abstract pieces in bright interiors.

The finish I am asked about most, though, is gold. A floating frame gilded with genuine gold leaf pairs the most traditional finish in framing with the most contemporary construction, and the combination is striking: the gap reads as a dark line, then the light catches burnished gold. I gild these the same way I gild classical frames, using water gilding over coloured bole, so the leaf can be burnished to a true metallic shine. You can see the range of tones this produces among my gold gilded picture frames, from warm yellow gold to cooler moon gold.

One workshop detail worth knowing: the inner face and the outer face of a floater do not have to match. A dark inner wall with a gilded or painted outer face makes the gap appear deeper and frames the canvas in shadow. This is exactly the kind of decision I agree with each client before production, based on photographs of the artwork and of my previous frames.

Getting the Size and Shadow Gap Right

A floating frame is unforgiving of guesswork, because the gap is on display. Three measurements decide whether it looks intentional:

First, the exact stretcher dimensions. Not the nominal size of the print, but the real outer measurements of the stretcher bars, which on hand-made stretchers can differ by several millimetres from the stated size. I always work from measured dimensions, never catalogue sizes.

Second, the gap itself. I usually build in five to eight millimetres per side. Narrower than that and small irregularities in the stretcher become visible; much wider and the canvas starts to look lost rather than floating.

Third, the depth. The platform and wall height must relate to the stretcher depth. A canvas can finish flush with the frame edge, sit a few millimetres below it, or stand slightly proud; each reads differently on the wall. For heavy canvases I deepen the platform so the fixings have proper timber to bite into.

How I Mount a Canvas in a Floating Frame

The mounting method is where a workshop-made floater differs most from a kit. I fix the canvas from behind, with screws passing up through the platform into the stretcher bars, or with offset clips where the stretcher construction calls for them. The fixing is invisible from the front, holds the canvas centred so the gap stays even on all four sides, and is completely reversible: the painting can be removed at any time without a trace.

What I never use is tape or adhesive of any kind. Tape fails with time and temperature, lets the canvas drift off centre, and can leave residue on the stretcher. Hanging hardware belongs on the frame, not on the stretcher, so the painting itself never carries the weight. If you enjoy doing this kind of work yourself, my guide to DIY picture framing covers the tools honestly, including where the home approach reaches its limits.

Ordering a Made-to-Measure Floating Frame

Because every floater I make is built to the individual stretcher, ordering is straightforward. I need the measured width and height of the stretcher, its depth, and a photograph of the painting. From there I propose a profile, a gap width and a finish, and I agree the final look with you using photographs of frames I have already made in that finish, so you know exactly what will arrive before I start routing timber.

This is the same made-to-measure process behind all of my bespoke picture frames, whether the profile is a contemporary floater or a carved and gilded classic, and it applies equally when a client asks me to build custom picture frames for a whole collection in matching finishes. The workshop logic carries over to mirrors in frames as well: the same profiles and hand-applied finishes, sized to the millimetre for a mirror instead of a stretcher.

If your canvas is ready and you are unsure which construction it needs, send me its dimensions and a photo. Telling a floating frame from a box frame candidate takes me a minute, and it is a minute that saves the painting from the wrong frame.

Floating Frame FAQ

Is a floater frame the same as a floating frame?

Yes. Floater frame is the common trade name in the US, floating frame is the everyday term, and tray frame is the usual UK name. All describe an open frame with a platform and a shadow gap around the canvas.

Do floating frames have glass?

Normally no. Canvas paintings are usually displayed unglazed, and the open construction of a floater assumes this. If a work genuinely needs glazing for protection, the answer is a deeper, enclosed construction such as a box frame rather than glass added to a floater.

Can a work on paper be float mounted?

Float mounting paper is a different technique: the sheet is hinged onto a backing inside a glazed frame so its edges remain visible. It borrows the floating idea but needs mounts, spacers and glass, which places it in conservation and specialist framing territory rather than floater frame construction.

What gap size looks best around the canvas?

For most paintings, five to eight millimetres per side. Small works can take a slightly narrower gap; large canvases often look better with a touch more. The gap should read as a deliberate dark line, not as loose tolerance.