How To Waterproof Rooftop Deck

The trex rainescape deck waterproofing system shown below is an example of a membrane and downspout system.

How to waterproof rooftop deck.

Applying gacodeck adds the waterproofing layer to a roof deck. Make sure it s free of all dirt and debris. Let each coat dry completely in between. Any dirt and debris will keep your waterproofing sealer from sticking to the lumber.

When tile is applied to a rooftop deck using thinset. First it s designed to be waterproof and walkable whereas most other flat roof materials are not. It also incorporates coolstep technology so you don t burn your feet and can also potentially lower your. Armorgarage deck and balcony coating systems are a great way to waterproof and resurface new or old roof decks pool decks balconies and walkways with a beautiful slip resistant finish.

These systems have specific edge finishing and flashing details and require that voids and seams in the plywood be treated with a patching compound. Cover furniture or items on your flat roof deck that are not meant to be waterproofed with the drop cloth. Step 2 cover the deck. The most common approach is to use a heavy gauge epdm membrane typically 60 mil as the roofing membrane usually placed over rigid insulation.

Waterproofing a rooftop deck a kitchen bump out provided the perfect opportunity for a small terrace off the master bedroom. Decks over finished areas require the right coating system be used to avoid structural damage and water damage from leaks into the finished spaces below. 790 57 kb duradek ultra is intended for use as both a roof covering and a traffic surface making it a good choice for residential decks built. Simple application and fast drying.

There are a few things that make pvc decking different in regards to roof decks. The dominant solution for waterproofing areas below decks is to drape plastic membranes within joist spaces below decking to form troughs. The application process is standard for either cement or osb ply floors. Let that dry before applying the full first coat of liquid rubber on the surface.

By rob corbo login or register to download the pdf version of this article. Use a paint brush along all edges and a roller to apply the deck coating to the surface and partially up the wall to waterproof those areas. Apply the waterproofing membrane after the entire area has been cleaned and taped off. You can see how i do that in the video above.

How vinyl waterproof decking benefits roof decks. Epdm is the best choice for most rooftop decks. Because this is a roof deck it is imperative that water does not seep down into the structure below. Step 1 clean the deck.

Don t replace your worn out leaking deck or balcony resurface it with armortop or balcony one coat. Deck membranes and downspouts.