The surface of the regular board, like many other types of paper[paper?:paper sample maker cutting machine], is slightly acidic, for archival picture framing and art mounting purposes. However, it can be produced in a neutral, acid-free version with a buffered surface paper, in a wide range of sizes and thicknesses.
Foam cored materials are also now available with a cladding of solid styrene[styrene?:high precision styrene digital cutter] and other rigid plastic[plastic?:Plastic sample cutting machine] sheeting, some with a textured finish.
Foamcore does not adhere well to some glues, such as superglue, and certain types of paint. The foam tends to melt away and dissolve[citation needed]. Some glue works well in casual settings, however, the water in the glue can warp the fibers in the outer layers. Best results are typically obtained from higher-end spray adhesives. A hot glue gun can be used as a substitute, although the low viscosity of hot glues can affect finished projects in the form of board warping, bubbles, or other unsightly blemishes.
Self-adhesive foam boards, intended for art and document mounting are also available, though these can be very tricky to use properly; this is because the glue sets very fast.
It is considered cheaper to buy plain foam board[foam board?:foam board] and then re-positionable spray mount adhesive.
