How to Frame a Canvas Without Stretching It: A Guide from Our NYC & Miami Framers

If you have a canvas painting that isn't stretched onto wooden bars — maybe you rolled it for storage, bought it unstretched from an artist, or inherited a loose canvas — you don't need to stretch it to display it beautifully. Here's what you need to know.

Why Someone Would Skip Stretching

Stretching a canvas over wooden bars is the traditional way to prepare it for display, but there are other choices:

• The canvas is fragile or old. Stretching pulls tension across the fabric, which can stress delicate or aged paint.
• You want a flatter, more contemporary look. Some collectors and designers prefer canvases mounted flat rather than with visible depth.
• You're storing or shipping the piece. Unstretched canvases are easier to roll and transport.
• The canvas is already damaged. Tears, weak spots, or brittle areas can get worse under tension.

Your Main Options

1. Float Mounting Behind Glass or Acrylic

The canvas is laid flat and held in place with hidden mounting strips or a rigid backing board, then framed with a mat or spacer so it "floats" inside the frame without touching the glass. This is one of the most popular methods for unstretched canvases because it protects the surface while keeping the artwork flat.

2. Mounting to a Rigid Panel

The canvas can be adhered to a solid support — such as an acid-free board or aluminum composite panel — using a conservation-safe, reversible adhesive. Once mounted, it behaves like a stretched canvas and can be framed conventionally, but without any tension on the original fabric.

3. Frame with a Floater Frame (Backing)

For this approach, some framers build a floater frame with a solid backing board, and the flat canvas floats inside it, secured at the edges rather than glued across the whole surface. This works well for temporary display or when you want to preserve the option of stretching it later.

What to Consider Before Choosing a Method

• Value and condition of the piece. Valuable or historically important paintings should go through conservation-safe mounting, not adhesives that can't be reversed.
• Where it will hang. Humidity-prone spaces — common in Miami's climate — call for materials and mounting methods that resist moisture and warping. In New York, seasonal temperature and humidity swings between summer and winter heating can matter just as much.
• Long-term vs. short-term display. If you might stretch the canvas properly down the road, choose a reversible method now.
• Glass or acrylic protection. Since the canvas isn't sealed the way a stretched, varnished painting often is, adding glazing helps protect the surface from dust and handling.

When to Bring It to a Professional Framer

Unstretched canvases are more delicate to handle than you'd think — creasing, cracking paint, or uneven mounting are easy mistakes to make at home. A framer can assess the canvas's condition, recommend the safest mounting method, and build a frame that protects the work for the long term.

Custom Canvas Framing in New York & Miami

Whether you're in New York working with a piece that's been rolled up in storage, or in Miami dealing with humidity concerns for a canvas fresh from an artist's studio, our custom framing shops can help. Our NYC framing studio and Miami framing studio both specialize in mounting and framing unstretched canvases using conservation-safe methods, so your artwork stays protected no matter which coast it's on.