Rooftop Deck Flat Roof Deck Construction Details

A reliable roof membrane and details that minimize any damage to the roof from the deck loads.

Rooftop deck flat roof deck construction details.

Roof decks are highly sought after on homes with flat or partially flat roofs. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. Roof deck construction material and design. An example of this might be using a roofing membrane such as epdm ethylene propylene diene monomer for your first layer which will provide your waterproofing.

I am taking a 25x25 roof over a garage that was done in decking then tile and leaked. The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will. I like rubber roofing for this combined with a floating deck floor. I tore everything up replaced the wood that needed it and built up the base and covered everything in epdm.

The rubber roofing i ve been using for 15 years a glue down 60 mil epdm membrane from. No matter the reason the keys to a long lasting deck above a living space are the same. Many homes in new england have walk on flat roof decks with living space under them and 90 percent of these deck roofs leak ruining your rooms. The key is in the word flat.

What s the difference between a regular roof and a flat roof and why does it require different material. Building a floating deck on an epdm rubber roof surface. When a roof is flat it actually will have a very slight slope water is going to spend a lot more time in one place giving it more time to find a way underneath the roof. Common in urban areas roof decks offer a birds eye view of your surroundings save precious space and can even help lower your monthly cooling or heating bills thanks to insulative possibilities.

This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards. Photo by dave holbrook. Epdm is the best choice for most rooftop decks. Flat roofs are prone to leaking even without decks because of design errors improper materials and improper installation.

The roof below should be cleaned and inspected at whatever intervals is found necessary for each deck. Some key details for a leakproof rooftop deck are. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. We include walk on roof surfaces roofing membrane to use below a rooftop deck and construction of rooftop deck railings and posts.

A deck located under pine trees will need much more maintenance to clean out debris than a rooftop deck above a high rise. Careful detailing of membrane roofs at corners doorways and penetrations is critical for long term performance. Stains on sheet rock ceilings popping hardwood flooring wet carpets and rotted framing are just some of the damages that you may sustain as a result of these leaks.