The materials the art is made from. Common examples are oil, watercolour, pastel, acrylic and charcoal.

A joint formed by joining two pieces of wood at the corner of a picture frame.

Mitre Vice  
A tool used for holding two pieces of framing wood as they're attached with glue and brads to form a corner.

Strips of wood used to make frames or the basic outsides of the frames.

To secure an object or artwork to a backboard using adhesive of some kind.

Mount Board  
A heavy paper board from which mounts and backing board are cut. It can be acid-free, 100 percent rag, or regular. Regular mount board has an acid-free core and backing, but the top coloured paper can still be acidic.

Mount Cutter  
A device which cuts the holes (windows) in mounts. There are many brands of cutter. Your choice will depend on the amount of money you care to spend and the amount of convenience you require from your cutter.
A lightweight acrylic glazing especially useful for larger picture frames or when shipping picture frames. The material's electrostatic attraction can make it a dust magnet, so it is unsuitable for use with charcoal and like media.

Primary Mount  
The piece of mount board directly underneath the artwork that touches it.

A notch or dado on the inside edge of a wooden frame that holds all the parts of the artwork being framed.
A type of mount board. Rag is cloth converted to pulp for making paper. The finest mount boards are made of paper with a very high rag content.


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