板(ban)(ban)(ban)(ban)材(cai)（sheet material）是做(zuo)成(cheng)標(biao)準大(da)小(xiao)的扁(bian)平矩形建(jian)筑(zhu)材(cai)料(liao)板(ban)(ban)(ban)(ban)，應(ying)用(yong)于建(jian)筑(zhu)行業，用(yong)來(lai)作(zuo)墻壁、天花板(ban)(ban)(ban)(ban)或地(di)板(ban)(ban)(ban)(ban)的構(gou)件。也多(duo)指鍛造、軋制(zhi)或鑄造而(er)成(cheng)的金屬板(ban)(ban)(ban)(ban)。劃分(fen)為薄板(ban)(ban)(ban)(ban)、中板(ban)(ban)(ban)(ban)、厚板(ban)(ban)(ban)(ban)、特厚板(ban)(ban)(ban)(ban)、通常做(zuo)成(cheng)標(biao)準大(da)小(xiao)的扁(bian)平矩形建(jian)筑(zhu)材(cai)料(liao)板(ban)(ban)(ban)(ban)。