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.

Flat roof design guide. Timber in the form of rough sawn or planed boards or planks can be used as the loadbearing deck to a flat roof. 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. Warm cold and inverted.

Flat roof types. These decks are often referred to as floating as they are not secured in place as a stand alone structure. Photo by dave holbrook. 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.

A roof is defined in bs 6229 as a flat roof if it has a pitch of 10 degrees or less. 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. They are merely placed on top of another structure. This article discusses rooftop deck construction details to avoid building leaks or rooftop deck safety hazards.

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. It must provide adequate protection against the elements keeping the buildings structure and interior dry. Forms of flat roof construction.

Although flat roofs are cheaper to build than pitched roofs they have a shorter life span. A roof is considered to be flat when it is of a slope of 1 5 o to the horizontal. It dealt in detail with flat roof. Epdm is the best choice for most rooftop decks.

Some key details for a leakproof rooftop deck are. Flat roof construction for residential. Rooftop decks walk on roofs. 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. Careful detailing of membrane roofs at corners doorways and penetrations is critical for long term performance. Building a deck over a flat roof is very similar to building a deck over a concrete patio. First you must make sure the roof is strong enough to support 55 lbs per square foot.