Flat Roof Deck Construction Details

Flat roof types.

Flat roof deck construction details.

Epdm is the best choice for most rooftop decks. Construction studies drawing detail showing how to draw a flat roof warm deck construction detail to a scale of 1 10 with a short introduction highlighting t. These decks are often referred to as floating as they are not secured in place as a stand alone structure. Photo by dave holbrook.

Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. Careful detailing of membrane roofs at corners doorways and penetrations is critical for long term performance. We include walk on roof surfaces roofing membrane to use below a rooftop deck and construction of rooftop deck railings and posts. Warm cold and inverted.

Some key details for a leakproof rooftop deck are. Forms of flat roof construction. A flat roof must be strong durable and stable throughout its lifetime. Flat roof construction for residential.

There are three recognised designs of flat roof construction. For additional stability you can also use steel joists that are built into one or both of the walls. It must provide adequate protection against the elements keeping the buildings structure and interior dry. As with the construction of any type of roofing system it s crucial to understand the correct process and essential criteria involved in flat roofing construction.

Having a manual for warm flat roof construction with details and a summary of rules to follow helps. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will.

Rooftop decks walk on roofs. Timber in the form of rough sawn or planed boards or planks can be used as the loadbearing deck to a flat roof. This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards. Building a deck over a flat roof is very similar to building a deck over a concrete patio.

They are merely placed on top of another structure. While many will contact a professional installation company to complete the job there are others who will feel confident enough in their own ability to install a flat roof onto the structure. Flat roof design guide. First you must make sure the roof is strong enough to support 55 lbs per square foot.