How To Waterproof A Plywood Roof Deck
Gacodeck top coat will maintain your gacodeck waterproofing system by renewing color and increasing durability.
How to waterproof a plywood roof deck. Here s how tufdek waterproof decking stands out on a flat roof deck. Building waterproof roof decks. Ames elasto barrier is an elastomeric waterproof rubber basecoat for concrete plywood and hard to stick surfaces. Gacodeck kit is a water borne single component waterproof deck system that can be applied over plywood concrete metal fiberglass and previously coated decks.
When a roof is flat it actually will have a very slight slope water is going to spend a lot more. Apply 2 gallons per 100 sq. All of the systems carry a one hour and class a fire rating. 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. The system utilizes a 2 5 galvanized metal lath and a polyacrylic emulsion base coat with a wide variety of finish options. Dap dynaflex 230 referenced in the gacodeck application video is no. Since there s less deflection with thicker plywood i prefer to use 1 1 8 inch thick plywood.
Purchase the product http bit ly 2t50kg3 subscribe http bit ly liquidrubbersub https liquidrubber ca waterproof your deck with liquid rubber polyu. The key is in the word flat. And i can feel 5 8 inch plywood deflect when i stand between joists installed 16 inches on center. The pli dek waterproof deck system for plywood substrates has been icc es evaluated since 1980.
After 2 days or research i decided to use liquid rubber deck coating to waterproof my plywood deck or roof. There s always more than 1 way to do anything. The gacodeck kit can be applied to balconies boat decks lanais plywood decks ramps roof decks walkways and previously coated deck systems. When a roof deck has a center drain the framing layout and sheathing installation become more complicated.
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. Roll excess elasto barrier over top of the contouring roof fabric and allow to dry. Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished system step 2.