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路(lu)牙(ya)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)等石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)材(cai)(cai)(cai)(cai)質(zhi)屬于多(duo)孔(kong)建(jian)筑材(cai)(cai)(cai)(cai)料，石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)表(biao)(biao)面(mian)會(hui)吸(xi)入外部(bu)污染(ran)(ran)，進而(er)會(hui)破壞路(lu)牙(ya)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)建(jian)筑物(wu)的(de)美感，大家會(hui)發(fa)現石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)與(yu)木材(cai)(cai)(cai)(cai) 一樣，會(hui)呼吸(xi)的(de)，石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)產品的(de)微觀的(de)結構是(shi)有(you)多(duo)孔(kong)的(de)特(te)性，自(zi)然是(shi)會(hui)吸(xi)收由水溶解(jie)或油污溶解(jie)進入石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)內(nei)部(bu)的(de)污染(ran)(ran)。所(suo)以(yi)(yi)說不(bu)管是(shi)不(bu)是(shi)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)材(cai)(cai)(cai)(cai)質(zhi)堅(jian) 硬(ying)，使用(yong)段時間后(hou)路(lu)牙(ya)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)表(biao)(biao)面(mian)會(hui)發(fa)生質(zhi)量(liang)磨損，注意路(lu)牙(ya)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)的(de)重(zhong)新拋光加工(gong)處(chu)理。路(lu)牙(ya)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)屬于一種建(jian)筑使用(yong)飾面(mian)材(cai)(cai)(cai)(cai)料，會(hui)產生各式(shi)各樣的(de)變化，發(fa)生的(de)變化因為路(lu)牙(ya)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)化學組(zu)成或生成過程中外界溫度(du)(du)及(ji)地質(zhi)壓(ya)力條 件等，特(te)色(se)為色(se)彩及(ji)花紋極為重(zhong)要(yao)。從瑰麗(li)炫爛的(de)印度(du)(du)帝紅到(dao)質(zhi)樸(pu)生硬(ying)的(de)砂巖(yan)，均被(bei)涵蓋(gai)在石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)建(jian)材(cai)(cai)(cai)(cai)的(de)范疇內(nei)，其吸(xi)水率、熱(re)膨(peng)脹率、發(fa)色(se)團(tuan)穩定度(du)(du)、 耐(nai)(nai)酸蝕度(du)(du)、耐(nai)(nai)堿蝕度(du)(du)及(ji)表(biao)(biao)面(mian)硬(ying)度(du)(du)等表(biao)(biao)現均有(you)極大的(de)差異。因此，石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)的(de)保養(yang)應針對不(bu)同的(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)而(er)有(you)所(suo)區別，應被(bei)加以(yi)(yi)重(zhong)視，并進行(xing)系(xi)統(tong)的(de)研(yan)究歸納，以(yi)(yi) 建(jian)立符合石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)特(te)性為依據的(de)石(shi)(shi)(shi)(shi)(shi)(shi)(shi)材(cai)(cai)(cai)(cai)保養(yang)準則。

路(lu)(lu)牙(ya)(ya)石(shi)(shi)石(shi)(shi)材安裝(zhuang)的(de)(de)環境條件不(bu)同，后期所面臨的(de)(de)條件自然是不(bu)同的(de)(de)： 路(lu)(lu)牙(ya)(ya)石(shi)(shi)石(shi)(shi)材經過一段時間的(de)(de)日(ri)照后熱脹(zhang)、雪雨侵入(ru)(ru)路(lu)(lu)牙(ya)(ya)石(shi)(shi)等石(shi)(shi)材后的(de)(de)結冰膨脹(zhang)，進而(er)會(hui)表現為(wei)石(shi)(shi)材內應力、酸雨侵蝕(shi)、季(ji)風挾(xie)帶(dai)的(de)(de)含鹽水(shui)氣侵入(ru)(ru) 等，均會(hui)使路(lu)(lu)牙(ya)(ya)石(shi)(shi)石(shi)(shi)材出現老化或污損(sun)問題，因此路(lu)(lu)牙(ya)(ya)石(shi)(shi)石(shi)(shi)材注意后期的(de)(de)定期保(bao)養(yang)，進而(er)使得(de)路(lu)(lu)牙(ya)(ya)石(shi)(shi)石(shi)(shi)材石(shi)(shi)材保(bao)持一定的(de)(de)石(shi)(shi)材光鮮(xian)度(du)。