How To Waterproof A Plywood Roof Deck

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How to waterproof a plywood roof deck.

When a roof is flat it actually will have a very slight slope water is going to spend a lot more. The key is in the word flat. How do you make a plywood deck or roof waterproof. What s the difference between a regular roof and a flat roof and why does it require different material.

The pli dek waterproof deck system for plywood substrates has been icc es evaluated since 1980. Dap dynaflex 230 referenced in the gacodeck application video is no. There s always more than 1 way to do anything. All of the systems carry a one hour and class a fire rating.

The system utilizes a 2 5 galvanized metal lath and a polyacrylic emulsion base coat with a wide variety of finish options. Here s how tufdek waterproof decking stands out on a flat roof deck. After 2 days or research i decided to use liquid rubber deck coating to waterproof my plywood deck or roof. Ames elasto barrier is an elastomeric waterproof rubber basecoat for concrete plywood and hard to stick surfaces.

A water based liquid dual rubber coating used primarily for roof and deck waterproofing applications. Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished system step 2. The coating is designed to create a fully adhered durable waterproof membrane that expands and contracts along with the substrate. Elasto barrier and embed contouring roof fabric into wet coating.

Building waterproof roof decks. The gacodeck kit can be applied to balconies boat decks lanais plywood decks ramps roof decks walkways and previously coated deck systems. Gacodeck kit is a water borne single component waterproof deck system that can be applied over plywood concrete metal fiberglass and previously coated decks. Gacodeck top coat will maintain your gacodeck waterproofing system by renewing color and increasing durability.

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. And i can feel 5 8 inch plywood deflect when i stand between joists installed 16 inches on center. When a roof deck has a center drain the framing layout and sheathing installation become more complicated.