Parking Decks & Split Slab Construction

US Drainage Systems, LLC PercoDrain provides a necessary drainage layer between the wearing surface and the structural slab that unlike an aggregate layer will not require an increase of structural design strength. PercoDrain provides more drainage capacity than aggregate and has little to no increase of weight to the structure.  Therefore, the engineer does not have to increase the structural slab of column strength of the structure.

PercoDrain 20
PercoDrain 20 is a two-part prefabricated geocomposite drain consisting of a formed polystyrene core covered on one side with woven mono-filament filter fabric.  
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PercoDrain 30-T
PercoDrain 30-T is a two-part prefabricated soil sheet drain consisting of a formed polystyrene core covered with a nonwoven, spunbonded, continuous filament, polypropylene geotextile on the dimple side of the core.
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