How do I choose the right size—should I order my exact canvas size or add room for the shadow gap?
Always order the exact width and height of your stretched canvas (for example, if your canvas measures 24×36 inches, select 24×36). The interior L-channel is already oversized by 1/2 inch total to automatically create a crisp 1/4-inch (6mm) floating shadow gap on all four sides.
What canvas depth fits inside the Cosari MiterFloat L-38?
The L-38 extrusion has a 1.5-inch (38mm) total side depth and a 1.25-to-1.5-inch cradle capacity, making it ideal for standard 1.25-inch and 1.5-inch gallery-wrapped stretched canvases. Thinner 0.75-inch canvases can also be mounted directly to the base shelf for a deeper recessed shadow effect, or raised flush using small wood/cardboard spacers.
Does this frame come with glass or clear acrylic in front?
No. Authentic canvas floater frames are open-front architectural L-profiles. Leaving the front open prevents glass glare over canvas weave and allows textured oil or acrylic brushwork to breathe naturally while protecting the outer perimeter edges.
How does my canvas attach to the aluminum frame, and will screws show?
Your canvas sets into the front L-cradle and is secured from behind. You drive the included countersunk wood screws upward through the recessed rear mounting groove directly into your wooden canvas stretcher bars. Zero hardware is visible from the front or sides.
Will the 45-degree corners really pull together without a gap?
Yes. Each extruded 6063-T5 aluminum rail is CNC-mitered at an exact 45.0-degree angle and joined via dual-screw steel L-brackets that slide inside the rear structural track, drawing the seams together into a dead-flush 90.0-degree corner with zero light gap.
What tools do I need, and what if the finish doesn't match my room?
All you need is one standard #2 Phillips screwdriver and 10 to 15 minutes on a rug or table. Every order is backed by our 30-Day Custom Frame Shop Side-by-Side Guarantee—hang it on your wall, and if the corners show a hairline of light or you want a different finish, return or exchange it hassle-free.
