Breathable Cloth Vapor Permeable Wall Wrap is a very high vapor permeance wall wrap for a wide range of wall systems. Since a majority of vapor can get through the membrane, condensation will be no way to get. Meanwhile, external liquid water can not penetrate inside houses. It includes options of normal version, BYO version and peel and stick version; for BYO tape version, two bring-your-own tape is laminated on each side of the membrane, then no need for seaming with extra tape.