Deck Waterproofing in San Diego

RT Roofing specializes in residential and commercial waterproofing deck coating in San Diego for both plywood substrates and concrete substrates. Depending on what area you live and how the deck will be used, deck coating in San Diego can sometimes be a little trick. To ensure we get the job done right, we first assess the customer’s unique needs with an in-depth evaluation of a new construction or renovation of your deck and determining the deck’s exact waterproofing needs. When working with plywood substrates, we use the PLI-DEK™ waterproof deck system. However, when working with concrete substrates, we use the Con-Dek System. Both deck waterproofing systems not only carry a One-Hour and Class A Fire Rating, but are also very durable and low maintenance, making it perfect for deck waterproofing in San Diego. Contact us today for all of your waterproofing deck coating in San Diego needs today! 


The PLI-DEK™ waterproof deck system for plywood substrates has been ICC-ES evaluated since 1980. The system utilizes a 2.5 galvanized metal lath and a polyacrylic emulsion base coat, with a wide variety of finish options. All of the systems carry a One-Hour and Class A Fire Rating. When installed, the system is approximately 3/16 inch thick and less than 3 lbs. per square foot, therefore, alleviating additional framing expenses of typical One-Hour Fire Rated assemblies. The systems have been through extensive ATSM testing, as well as many years of applications in the field, therefore has proven its durability and quality. With proven years of success, low maintenance, and cost effectiveness.


The Con-Dek System is a 1-hour, Class “A” Fire Rated waterproof deck coatings for concrete substrates that offers high durability and low maintenance for exterior use. The system is designed for high traffic pedestrian balconies, roof decks, walkways and stairs where waterproofing and durability is essential. The Con-Dek System consists of .75 oz fiberglass mat, elastomeric resin and a durable polymer cement finish coat.

  • ICBO/ICC evaluated since 1980

  • City of LA approval

  • 1 hour fire rated

  • Class “A” fire rated

  • ADA approved

  • Low maintenance

  • Cost Effective

  • Less than ¼” thick

  • Fast Drying

  • UV resistant

  • Base coat installs in framing stage

  • Extensive Finish Options