板(ban)(ban)(ban)材(cai)（sheet material）是做成(cheng)標準(zhun)大小的(de)(de)扁平矩(ju)形建(jian)筑材(cai)料板(ban)(ban)(ban)，應用(yong)于(yu)建(jian)筑行業，用(yong)來作墻壁、天花板(ban)(ban)(ban)或地板(ban)(ban)(ban)的(de)(de)構件(jian)。也多指鍛造(zao)、軋制(zhi)或鑄造(zao)而(er)成(cheng)的(de)(de)金屬板(ban)(ban)(ban)。劃分為薄(bo)板(ban)(ban)(ban)、中(zhong)板(ban)(ban)(ban)、厚(hou)板(ban)(ban)(ban)、特(te)厚(hou)板(ban)(ban)(ban)、通常做成(cheng)標準(zhun)大小的(de)(de)扁平矩(ju)形建(jian)筑材(cai)料板(ban)(ban)(ban)。