Method for manufacture and installation of sill drainage system

摘要: Disclosed herein are various waterproof membranes that may be applied to a sill surface of an opening in building structure as well direct water penetrates through the out structure. Generally, one or more flexible adhesively for purposes waterproofing surface. Such further incorporate back dam is disposed proximate rearward edge plate (i.e., toward interior structure) towards front outside structure). Further, such include wicking material on surfaces allow directing In arrangements, utilized create open fronted pan.