How To Waterproof A Plywood Roof Deck

Building waterproof roof decks get better performance from your deck covering by using best practices framing and flashing details.

How to waterproof a plywood roof deck.

Since there s less deflection with thicker plywood i prefer to use 1 1 8 inch thick plywood sheathing but i ll settle for a minimum of 3 4 inch plywood if necessary. The gacodeck kit can be applied to balconies boat decks lanais plywood decks ramps roof decks walkways and previously coated deck systems. After 2 days or research i decided to use liquid rubber deck coating to waterproof my plywood deck or roof. Apply 3 gallons per 100 sq.

Elasto barrier and embed contour roof fabric into wet. Then we are ready to install our custom system over the top of the plywood substrate foundation. Unfortunately many homeowners who have a flat deck roof have to deal with frequent leaks. There s always more than 1 way to do anything.

There are a few things that make pvc decking different in regards to roof decks. 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. The peel stick seam tape may show a slight line radiating through coating. We repair any soft spots or damaged parts of the plywood decking using 3 4 inc plywood sheeting.

Roll excess elasto barrier over top of the contouring roof fabric and allow to dry. Waterproofing plywood decking is as easy as 1 2 3 4 5. Deck flashing is installed along the perimeter to insure against water penetration. Elasto barrier and embed contouring roof fabric into wet coating.

Use seam tape on plywood joints flashing where deck meets the house. Gacodeck top coat will maintain your gacodeck waterproofing system by renewing color and increasing durability. Use seam tape on plywood joints and flashing where deck meets the house seam tape can be seen upon finished system step 2. In my area 3 4 inch thick exterior.

This is usually because low quality leak prone decking materials such as epdm rubber are used often in an effort to save money. Call toll free 1 888 345 0809 to speak with a waterproofing expert. On average 300 sq ft. Of roof decking costs 800 2 800 to install depending on the material you choose.

Apply 2 gallons per 100 sq. How do you make a plywood deck or roof waterproof.