Glossary of Picture Framing Terms
yellow-brown stains where the mat board comes in contact with the
artwork, and the brown spots that come through the back from wood
backing or the mounting board. This can be avoided by using acid-free
Acid Free - Mat or Mounting board with a pH of 7 or slightly
greater. Alphamat by Nielsen Bainbridge is acid-free and lignin free.
ATG Tape - Adhesive
Transfer Tape, Basically a pressure sensitive adhesive applied to a
special release paper. ATG - Adhesive Transfer Gun the tool to apply the
Bevel - The angled cut
on the inside edge of a mat board nearest the art work.
Burnishing - Pressing
or rubbing gold or silver leaf with an agate burnishing tool so it will
conform to the surface under it. Smoothing the leaf with the tool
causes it to shine. It is not
polishing the gold or silver.
Conservation Framing - Using acid-free archival materials in the framing process- Such as rag mat boards, UV-glass and Japanese paper for hinging artwork to the mounting board.