HD-250 System

HD-250 System

The Pli-Dek HD-250 System is a hybrid waterproofing underlayment system for plywood corridors, balconies, and roof decks that are designed to receive a concrete topping or pavers. This system provides superior performance with its unique dual waterproofing layers. The first layer is an innovative construction coat consisting of metal lath reinforced polymer modified cement. This high performance, 6,000 psi construction coat offers early waterproofing protection during the course of construction.

HD-250 System Brochure

HD Systems Brochure

As the general contractor, we first create the highest level of trust and integrity with our clients.


  • Installed By Certified Applicators
  • Innovative 6,000 psi Construction Coat
  • Incorporates A Flexible Cold Rubber Membrane
  • Complete thickness of 250 mils or greater
  • Eliminates Inherent Detailing Issues
  • Can be applied in conjunction with the PMA, HR and CR Systems

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