artsupply.com product page Gator Board is much stronger than regular foam board, but is about the same weight.
artsupply.com product page Self Adhesive Gator Board
dickblick.com product page Gatorfoam Board
foamboardsource.com product page Gatorfoam Board
foamboardsource.com product page Self-Adhesive Gatorfoam
uline.com product page Gator Board The choice for mounting exhibits and signs where light weight, rigidity and warp resistance are a must.
youtube Robert Rodriguez Jr - Mounting Prints onto Gatorfoam Board
3/16 self-adhesive gator board - 24 x 36 1x1 wood strips - 18 inch long hot glue gun 4 print weights