Inquiry (采购产品): fire retardant in order to achieve a chiseled cave appearance of sandstone,this business crumpled,stretched stapled fire retardantpaper between floor joists, applied an adhesive to hold fine sand he threw up on it..what or who could suggest what paper to use?.....thanking you for your suggestions **** Hidden Message ***** jim moore 4751 hwy 216 albin, WY 82050 USA Company: jim moore inc Title: owner E-mail: moore@bbcwb.net **** Hidden Message ***** moore@bbcwb.net