Reinforced Concrete Flat Roof Design

A concrete slab flat roof is normally made up of a structural layer of concrete finished with a smooth screed onto which a water proof layer such as a membrane is laid.

Reinforced concrete flat roof design.

Insulated reinforced concrete roof decks the only known roof systems that have consistently survived high category hurricane and tornado velocity winds have been built with structural reinforced concrete decks securely and sufficiently connected to structural reinforced concrete or reinforced concrete block walls. However the residential roofing market may soon change due to the ingenuity of architect jose hen riquez and engineer francisco bermudez. Contemporary designers frequently aim to produce the same clear and simplified forms that appeared at the beginning of the 20th century but are now free to use a wide range of new materials and construction techniques that reflect present day technology. Flat roof of reinforced concrete insulated with mineral wool rockwool companies.

The steel joists will provide a strong foundation for the flat concrete roofing. The blocks come in several sizes but this guide will assume you are using a 16 3 4 inch wide concrete slab. Step 3 placing the steel joists. A concrete roof is exactly what it sounds like.

Next it is important to select the appropriate waterproofing membrane. According to the 1995 aci code all two way reinforced concrete slab systems including edge supported slabs flat slabs and flat plates are to be analyzed and designed according to one unified method such as direct design method and equivalent frame method. A solid slab of concrete capping the top of your house. One of the most crucial step in building a flat concrete roof is to figure out the size of the concrete block you will need.

From porotherm blocks tl 30 cm insulated polystyrene tl 20 cm firm termo organika. Today flat roofs are used by architects for the same reasons that they became a cornerstone of modernist architecture. Exact specifications vary but most concrete roofs are several inches thick. Tl 30 cm concrete insulated with extruded polystyrene.

From porotherm blocks tl 30 25 18 8 and 11 5 cm. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. They have developed a method of forming and building sloping roofs of reinforced concrete. The roof should incorporate insulation and usually a vapour control layer to protect from interstitial condensation.

The few concrete roofs that have been built usually are flat and have little aesthetic appeal for most homebuyers. Proper design of falls in reinforced concrete flat roofs is most important in creating flow paths to suitable discharge points.