How To Waterproof A Plywood Roof Deck

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How to waterproof a plywood roof deck.

And i can feel 5 8 inch plywood deflect when i stand between joists installed 16 inches on center. The key is in the word flat. Gacodeck kit is a water borne single component waterproof deck system that can be applied over plywood concrete metal fiberglass and previously coated decks. The coating is designed to create a fully adhered durable waterproof membrane that expands and contracts along with the substrate.

A water based liquid dual rubber coating used primarily for roof and deck waterproofing applications. After 2 days or research i decided to use liquid rubber deck coating to waterproof my plywood deck or roof. The gacodeck kit can be applied to balconies boat decks lanais plywood decks ramps roof decks walkways and previously coated deck systems. I picked liquid rubber because of how easy it is to use it comes in lots of nice colors and the great reviews it has on amazon.

There s always more than 1 way to do anything. Roll excess elasto barrier over top of the contouring roof fabric and allow to dry. The pli dek waterproof deck system for plywood substrates has been icc es evaluated since 1980. Elasto barrier and embed contouring roof fabric into wet coating.

The system utilizes a 2 5 galvanized metal lath and a polyacrylic emulsion base coat with a wide variety of finish options. Building waterproof roof decks. How do you make a plywood deck or roof waterproof. All of the systems carry a one hour and class a fire rating.

Gacodeck top coat will maintain your gacodeck waterproofing system by renewing color and increasing durability. Ames elasto barrier is an elastomeric waterproof rubber basecoat for concrete plywood and hard to stick surfaces. Apply 2 gallons per 100 sq. Here s how tufdek waterproof decking stands out on a flat roof deck.

When a roof deck has a center drain the framing layout and sheathing installation become more complicated. When a roof is flat it actually will have a very slight slope water is going to spend a lot more. Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished system step 2.