Poster Backings

How To: Prepare a Movie Poster for Archival Storage

We stock 6 grades of Poster Backing Boards:
1. CHIPBOARD - Short-term Storage. pH neutral (contains acid) .030" thick. White on one side. 
2. STANDARD ACID-FREE - Long-term Storage. Acid-free all the way through. Acid-free board can trap migrating acids in paper and neutralize it. .028' thick board. White on both sides.
3. SUPER ACID-FREE - Indefinite Storage. Museum Grade Archival. Our .040" thick board is all white. It is acid- and lignin-free and buffered with a 3% calcium carbonate buffer. 
4. CORRUGATED - Short-term Storage. This board  is either .0625" thick (E-Flute, white on two sides) or .1875" thick (C-Flute, white on 2 sides). It is a popular choice for a backing board because it is rigid and economical.  
5. FOAM BOARD - Indefinite Storage. Museum Grade Archival.  This board has a polystyrene foam core (making it ultra light weight) with a laminated white, smooth facing. It is buffered with 3% calcium carbonate and is acid-free with a pH of 7.5-8.5. It is either .125" or .1875" thick. Super rigid. 
6. ARCHIVAl CORRUGATED - Museum Grade Archival. This board is .125" thick, B-Flute, "Banner Blue" corrugated cardboard. It is acid- and lignin-free and buffered with a 3% calcium carbonate buffer. Safe for indefinite-term storage. 

Scroll down for available sizes and pricing.