1.standard specification for underlayment felt containing inorganic fibers used in steep - slope roofing
陡坡屋面用含无机纤维的衬底毡的标准规范
2.standard specification for asphalt - saturated organic felt underlayment used in steep slope roofing
陡坡屋顶用饱和沥青有机毡衬垫的标准规范
3.Asphalt-Saturated Organic Felt Shingle Underlayment Used in Roofing
屋顶用饱和沥青有机油毡盖板衬垫
4.The technology and application of self-adhesive underlayment and flashing on sloped roof
坡屋面用自粘垫层及自粘泛水胶带技术和应用
5.Reinforcing the soft soil base with gravel underlayment
砂砾垫层加固软土地基实践