大口径管道距离比较长的场合,因为用料多,推荐用岩棉保温材料外裹锡箔纸或铁皮。如图image./i?ct503316480&z0&tnimagedetail&word%D4%B2%CD%B2%D0%CE%B1%A3%CE%C2%B2%C4%C1%CF&in740&cl2&lm-1&pn30&rn1&di822373905&ln1&fr&ic0&s0&se1&sme0&tab&width&height&face0&fb0
小口径管道为且追求美观可以用橡塑保温材料,外捆胶带或胶水粘贴。如图image./i?ct503316480&z0&tnimagedetail&word%D4%B2%CD%B2%D0%CE%B1%A3%CE%C2%B2%C4%C1%CF&in20419&cl2&lm-1&pn69&rn1&di47023004910&ln1&fr&ic0&s0&se1&sme0&tab&width&height&face0&fb0