通(tong)(tong)風(feng)管(guan)道(dao)(dao)是(shi)為了使空氣流通(tong)(tong)，降低有(you)害氣體濃度的一種市政基礎設(she)施。通(tong)(tong)風(feng)管(guan)，風(feng)管(guan)制(zhi)作(zuo)與安(an)裝所用(yong)(yong)板(ban)材、型(xing)材以及(ji)其他(ta)主要(yao)成品材料(liao)，應(ying)(ying)符合(he)設(she)計及(ji)相關產品國家現行(xing)(xing)標準的規定(ding)，并應(ying)(ying)用(yong)(yong)出廠檢驗(yan)(yan)合(he)格(ge)證明(ming)，材料(liao)進場(chang)時應(ying)(ying)按國家現行(xing)(xing)有(you)關標準進行(xing)(xing)驗(yan)(yan)收。通(tong)(tong)風(feng)管(guan)道(dao)(dao)按材質(zhi)分：一般有(you)：鋼(gang)板(ban)風(feng)管(guan)（普通(tong)(tong)鋼(gang)板(ban)）、鍍鋅(xin)板(ban)（白鐵(tie)）風(feng)管(guan)、不銹(xiu)鋼(gang)通(tong)(tong)風(feng)管(guan)、玻璃鋼(gang)通(tong)(tong)風(feng)管(guan)、塑(su)料(liao)通(tong)(tong)風(feng)管(guan)、復合(he)材料(liao)通(tong)(tong)風(feng)管(guan)、彩(cai)鋼(gang)夾心保溫(wen)板(ban)通(tong)(tong)風(feng)管(guan)、雙面鋁(lv)箔保溫(wen)通(tong)(tong)風(feng)管(guan)、單面彩(cai)鋼(gang)保溫(wen)風(feng)管(guan)、涂膠布通(tong)(tong)風(feng)管(guan)（如礦(kuang)用(yong)(yong)風(feng)筒）、礦(kuang)用(yong)(yong)塑(su)料(liao)通(tong)(tong)風(feng)管(guan)等；

　　鐵(tie)(tie)(tie)皮風(feng)(feng)(feng)道(dao)是方(fang)形PVC是圓(yuan)形，所(suo)以(yi)(yi)鐵(tie)(tie)(tie)皮管道(dao)的(de)阻力比(bi)PVC的(de)要大(da)(da)，所(suo)以(yi)(yi)一(yi)般家用的(de)用PVC，當風(feng)(feng)(feng)量較(jiao)大(da)(da)的(de)時候，OVC圓(yuan)管會占很大(da)(da)的(de)空間高度(du)，影響吊頂，而鐵(tie)(tie)(tie)皮風(feng)(feng)(feng)道(dao)高度(du)可以(yi)(yi)自(zi)由(you)定制，所(suo)以(yi)(yi)大(da)(da)型的(de)風(feng)(feng)(feng)管會用鐵(tie)(tie)(tie)皮風(feng)(feng)(feng)道(dao)。