Flat Roof Deck Construction Details

For additional stability you can also use steel joists that are built into one or both of the walls.

Flat roof deck construction details.

In the case of a flat roof insulation is usually in the form of either a rigid board above the deck or a fibrous quilt immediately above the ceiling depending on the type of roof construction. A flat roof must be strong durable and stable throughout its lifetime. 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. Photo by dave holbrook.

They are merely placed on top of another structure. Having a manual for warm flat roof construction with details and a summary of rules to follow helps. We include walk on roof surfaces roofing membrane to use below a rooftop deck and construction of rooftop deck railings and posts. A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less.

Forms of flat roof construction. Timber in the form of rough sawn or planed boards or planks can be used as the loadbearing deck to a flat roof. Careful detailing of membrane roofs at corners doorways and penetrations is critical for long term performance. Epdm is the best choice for most rooftop decks.

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. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. Rooftop decks walk on roofs. The basic construction of a flat roof starts with roofing timber that is laid across two upright items usually two walls.

Warm cold and inverted. Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. These decks are often referred to as floating as they are not secured in place as a stand alone structure. This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards.

Flat roof types. 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. It dealt in detail with flat roof.

The roof deck surface should sloped away from the house a minimum 1 8 inch per foot so the water will. Some key details for a leakproof rooftop deck are. There are three recognised designs of flat roof construction. Flat roof construction for residential.