Floating Deck Over Flat Roof

So i will not be able to put the sleepers parallel to the slope.

Floating deck over flat roof. There are a few things that make pvc decking different in regards to roof decks. Floating or pedestal roof deck assemblies can be an ideal low maintenance deck surface on high traffic areas when properly installed. These decks are often referred to as floating as they are not secured in place as a stand alone structure. Some key details for a leakproof rooftop deck are.

The most common approach is to use a heavy gauge epdm membrane typically 60 mil as the roofing membrane usually placed over rigid insulation. You can use 2x material laid flat or 4x material also as sleepers. Make sure that someone will be home when the material is delivered and you have it set directly on the roof in a convenient work area. The sleepers aren t fastened in place and the floor floats.

Strips of 4 in wide epdm provide a layer of protection between the sleepers and the roof. If you order the lumber from a major hardware store and let them know that you are building a deck on a flat roof the material can be delivered on a truck with a lift. They are merely placed on top of another structure. A reliable roofing approved waterproof membrane may be the most essential component to extend the lifetime performance for flat roof deck assemblies designed as floating or pedestal systems.

The thing is that the roof draining is through a hole in the center of the roof. That means there are 4 slopes leading the rain or melted snow water to the drain. How vinyl waterproof decking benefits roof decks. Whenever i install decking over a roof i make sure the framing is structurally sound and properly pitched to drain water.

Hi thanks for the interesting blog. I ll be reviewing the bison products pedestal and deck tile system on this episode of the build show. First it s designed to be waterproof and walkable whereas. But you re much better off taking the roof down and starting over with a high quality vinyl decking material.

First you must make sure the roof is strong enough to support 55 lbs per square foot. However i would highly recommend that you consider a that the epdm is lying flat on the roof subfloor without any sharp objects that can puncture the edpm once sleepers are laid over top and placed under load. The drainage system flashing details and waterproofing membrane that go over the structural deck are the key to success.