Rabbet Depth – Explanation on Determining Frame Dimensions

Today on the blog we answer another common question about determining the exact size to order a custom picture frame.

Q: I am looking at the wood frame #25302. Dimensions are given for the rabbet cut, (the 'R' I assume), but not for the inset cut. Are those cuts a standard size? I want to use a mat that is 18" x 26" outer dimensions. What size should my two frame pairs be for the #25302 frame?

A:You should order your frame as 18 x 26.  When a frame is cut, there is a standard allowance in the industry (1/8 inch) built into each frame.  This allows some “wiggle room” to get your artwork, mats, glazing, etc. in comfortably.

The Rabbet dimension is the depth of the frame, measuring from under the frame lip to the back of the frame.  This is good to know so you can determine if all the items you are including (plex, mats, backing, art)  will all fit inside the frame and not stick out the back. Here is an example: plex = 1/8, double mat = 1/8, backing = 1/8.  If the rabbet was less that 3/8” it would be troublesome to hold the materials in the frame.

AubreyK | 1/30/2015 11:32:20 AM | 4 comments
American Frame
Most of our frames have a lip of 1/4", which is the amount that would cover the work on each side. There are a few exceptions, such as:

3/8” – N02, N03 83362, 96804 Standard Plus, Standard Plus 3, Canvas Plus, Reflections, Reflections Petite
½” – Radius, Twilight
5/16”- Currents
2/10/2015 1:13:29 PM

American Frame

You can use a point driver or use the provided spring clips and fill up the rest of the rabbet with pieces of foam core.
2/10/2015 9:48:41 AM

how much of my artwork will be covered by the inset?
2/6/2015 10:32:20 AM

What is used to keep everything tight in the frame when the rabbet is larger than your artwork depth?
1/30/2015 1:50:02 PM