How To Waterproof A Plywood Roof Deck

Apply 2 gallons per 100 sq.

How to waterproof a plywood roof deck.

The pli dek waterproof deck system for plywood substrates has been icc es evaluated since 1980. Roll excess elasto barrier over top of the contouring roof fabric and allow to dry. Elasto barrier and embed contouring roof fabric into wet coating. 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. The coating is designed to create a fully adhered durable waterproof membrane that expands and contracts along with the substrate. Gacodeck top coat will maintain your gacodeck waterproofing system by renewing color and increasing durability. The key is in the word flat.

All of the systems carry a one hour and class a fire rating. When a roof is flat it actually will have a very slight slope water is going to spend a lot more. Ames elasto barrier is an elastomeric waterproof rubber basecoat for concrete plywood and hard to stick surfaces. And i can feel 5 8 inch plywood deflect when i stand between joists installed 16 inches on center.

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. How do you make a plywood deck or roof waterproof. Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished system step 2.

There s always more than 1 way to do anything. After 2 days or research i decided to use liquid rubber deck coating to waterproof my plywood deck or roof. 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. A water based liquid dual rubber coating used primarily for roof and deck waterproofing applications.

Since there s less deflection with thicker plywood i prefer to use 1 1 8 inch thick plywood. Dap dynaflex 230 referenced in the gacodeck application video is no. What s the difference between a regular roof and a flat roof and why does it require different material.