NOTE: Size “32x40 Raw Sheet*” - Uncut directly from manufacturer, not exactly 32x40: may be 1/16 undersize and up to 1/4 oversize, and not square.

Uncut (Blank) solid Barinbridge 8Ply AlphaRag mat sheet with NO opening. If you need a window cut in the mat to show your artwork then go to pre-cut mat board. This is sheet mat board for those cutting their own mats, or wanting to use this mat board to mount their photo to. Avaiable in over 60 frame sizes including full matboard sheet size of 32x40 inches.

Click here: for pre-cut AlphaRag matboard with opening

Need CUSTOM? Select CUSTOM under
"Choose Size"

Not sure about the color?
Click Here: Color Mat Sample Kit

Bainbridge 8-Ply Artcare™ AlphaRag MatBoard – 1/8 inch thick, 100% cotton, ACID free museum-quality preservation mat board sheet. Actively protects from air born pollutants. Reduces yellowing and fading. Free of ground wood and lignin. Fade and bleed resistant. Conservation quality matboard. 

NOTE: Ebony is not available in size larger than 32x40

Backing board sold separately here: Foamcore

If you are not sure about the color you can order our Color Matboard Sample Kit or stop by a store such as Michaels and view their Bainbridge mat samples.

Solid core mat board constructed of 8 equal plies of cotton for superior rigidity, strength, and consistent color throughout including the bevel. This is one of the thickest matboards in the industry providing a beautiful deep bevel that adds depth to the picture frame. This mat board is treated with the Bainbridge Artcare™ Archival System with MicroChamber® technology allowing it to actively protect the image from air born pollutants and acid by-products within the picture frame.

Recommended for valuable works of original art, rare and antique documents, fine art prints, limited edition prints, and photographs.

Core color matches the surface color and the surface is smooth.

Guaranteed color consistency. Meets and exceeds FACTS Guide for Permanence in Mat and Mounting Boards. Mat board is buffered to maintain alkaline pH with an Alkaline reserve of 3-5% as measured by ANSI IT9.2-1991 Sec 5.25%.