瀝(li)(li)青(qing)防(fang)水(shui)卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)是(shi)(shi)指以(yi)瀝(li)(li)青(qing)材(cai)(cai)(cai)料、胎料和(he)表(biao)面撒布(bu)防(fang)黏材(cai)(cai)(cai)料等(deng)制(zhi)成(cheng)的(de)(de)成(cheng)卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)料，又稱油氈。常用于張貼式防(fang)水(shui)層(ceng) [1]  。瀝(li)(li)青(qing)防(fang)水(shui)卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)指的(de)(de)是(shi)(shi)有胎卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)和(he)無(wu)胎卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)。凡(fan)是(shi)(shi)用厚紙或玻璃絲布(bu)、石(shi)(shi)棉(mian)(mian)布(bu)、棉(mian)(mian)麻(ma)織(zhi)品等(deng)胎料浸漬石(shi)(shi)油瀝(li)(li)青(qing)制(zhi)成(cheng)的(de)(de)卷(juan)(juan)(juan)(juan)狀材(cai)(cai)(cai)料，稱為有胎卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)；將石(shi)(shi)棉(mian)(mian)、橡膠粉等(deng)摻(chan)入瀝(li)(li)青(qing)材(cai)(cai)(cai)料中(zhong)，經碾壓(ya)制(zhi)成(cheng)的(de)(de)卷(juan)(juan)(juan)(juan)狀材(cai)(cai)(cai)料稱為輥壓(ya)卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)即無(wu)胎卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)。瀝(li)(li)青(qing)防(fang)水(shui)卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)成(cheng)本低(di)，拉伸強度和(he)延伸率低(di)，溫度穩定性差，高溫易(yi)流(liu)淌(tang)，低(di)溫易(yi)脆裂；耐老(lao)化性較(jiao)差，使用年限短，屬于低(di)檔防(fang)水(shui)卷(juan)(juan)(juan)(juan)材(cai)(cai)(cai)。