板(ban)(ban)材(cai)(sheet material)是做成(cheng)(cheng)標(biao)(biao)準大(da)小的(de)(de)扁平(ping)矩形(xing)建(jian)筑材(cai)料(liao)板(ban)(ban),應用(yong)于建(jian)筑行(xing)業,用(yong)來作墻壁(bi)、天(tian)花板(ban)(ban)或(huo)地(di)板(ban)(ban)的(de)(de)構件(jian)。也(ye)多指鍛造、軋(ya)制(zhi)或(huo)鑄造而成(cheng)(cheng)的(de)(de)金屬板(ban)(ban)。劃(hua)分為薄板(ban)(ban)、中(zhong)板(ban)(ban)、厚(hou)板(ban)(ban)、特厚(hou)板(ban)(ban)、通常(chang)做成(cheng)(cheng)標(biao)(biao)準大(da)小的(de)(de)扁平(ping)矩形(xing)建(jian)筑材(cai)料(liao)板(ban)(ban)。