Each subgrade waterproofing membrane system and application method has advantages and disadvantages that need to be considered and carefully evaluated prior to specifying a system for a particular use. Issues that must be considered include, but are not limited to clearance to install the waterproofing; blindside vs. post-construction application of the membrane; fully adhered vs. loose-laid systems; concrete cure times; application of concrete cast-in-place vs. pneumatically sprayed; number of joints in sheet products; difficult details; proposed phasing; penetrations; and proposed “tie-ins” to existing waterproofing systems. No one product or system is without limitations.
This article was originally published in the December 2017 issue of D+D In Depth, a magazine published by Durability + Design.
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