板(ban)(ban)(ban)材(cai)（sheet material）是做(zuo)(zuo)成標準(zhun)大(da)小(xiao)的(de)(de)扁(bian)平矩(ju)形建筑(zhu)材(cai)料(liao)板(ban)(ban)(ban)，應用于建筑(zhu)行業，用來作(zuo)墻壁、天花(hua)板(ban)(ban)(ban)或(huo)(huo)地板(ban)(ban)(ban)的(de)(de)構件。也多指鍛造、軋制或(huo)(huo)鑄(zhu)造而(er)成的(de)(de)金屬板(ban)(ban)(ban)。劃分為薄板(ban)(ban)(ban)、中板(ban)(ban)(ban)、厚板(ban)(ban)(ban)、特厚板(ban)(ban)(ban)、通常做(zuo)(zuo)成標準(zhun)大(da)小(xiao)的(de)(de)扁(bian)平矩(ju)形建筑(zhu)材(cai)料(liao)板(ban)(ban)(ban)。