How To Waterproof A Plywood Roof Deck

When a roof deck has a center drain the framing layout and sheathing installation become more complicated.

How to waterproof a plywood roof deck.

The gacodeck kit can be applied to balconies boat decks lanais plywood decks ramps roof decks walkways and previously coated deck systems. The coating is designed to create a fully adhered durable waterproof membrane that expands and contracts along with the substrate. Dap dynaflex 230 referenced in the gacodeck application video is no. All of the systems carry a one hour and class a fire rating.

Apply 2 gallons per 100 sq. The system utilizes a 2 5 galvanized metal lath and a polyacrylic emulsion base coat with a wide variety of finish options. The pli dek waterproof deck system for plywood substrates has been icc es evaluated since 1980. Gacodeck kit is a water borne single component waterproof deck system that can be applied over plywood concrete metal fiberglass and previously coated decks.

Since there s less deflection with thicker plywood i prefer to use 1 1 8 inch thick plywood. Ames elasto barrier is an elastomeric waterproof rubber basecoat for concrete plywood and hard to stick surfaces. Elasto barrier and embed contouring roof fabric into wet coating. And i can feel 5 8 inch plywood deflect when i stand between joists installed 16 inches on center.

Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished system step 2. When a roof is flat it actually will have a very slight slope water is going to spend a lot more. Roll excess elasto barrier over top of the contouring roof fabric and allow to dry. Gacodeck top coat will maintain your gacodeck waterproofing system by renewing color and increasing durability.

The key is in the word flat. After 2 days or research i decided to use liquid rubber deck coating to waterproof my plywood deck or roof. Purchase the product http bit ly 2t50kg3 subscribe http bit ly liquidrubbersub https liquidrubber ca waterproof your deck with liquid rubber polyu. A water based liquid dual rubber coating used primarily for roof and deck waterproofing applications.

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. What s the difference between a regular roof and a flat roof and why does it require different material. There s always more than 1 way to do anything.