7x9 Uncut - Off White, Mat Boards (Pack of 50)

American frame carries matboard in several different thicknesses uh that's thickness can be measured in fractions of an inch but it's also expressed in terms of a mat supply apply is the number of layers of material used to make a mat the higher the ply but thicker the mat when you choose a mat paint him to know how thick it is you'll need to add this measurement to the thickness of other materials like your art your acrylic glazing and your mounting board to be sure the whole stack fits in with the frames channel frames have different sizes of channels all the rabbit the four ply mat board is the thinnest mat that we carry it's made of four layers of material either alpha cellulose or cotton rack those layers are bonded to a treated board or core four ply mat boards are generally 1/16 of an inch thick and rag mats are slightly more substantial we also carry six ply conservation grade m