Flat Concrete Roof Thickness

Exact specifications vary but most concrete roofs are several inches thick.

Flat concrete roof thickness.

An exception to this standard however may occur if you intend to install slate concrete or tile shingles on your roof. A 10 to 15 cm thick slab of reinforced concrete with a thin 2 to 5 cm thick layer of cement on the top. Structural concrete composite decks are somewhat uncommon at the roof level. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.

Flat roofs come in many shapes and sizes which include parapet roofs roof decks and green roofs to name just a few of the options available. 0 0 0. It shall be known that plain structural footing is not suitable to be used for the top of piles. For a flat roof to function correctly and to ensure the durability of its waterproof layers it is essential to prevent the accumulation of ponding water and ensure that rainwater run off falls are at the correct angle of slope.

Don t go with a flat roof have the concrete workers give a small taper to the roof so rainfall runs off instead of puddling on the surface. Standard design and method of construction most concrete roofs follow a similar type of construction. This cement layer is known as a screed and contrary to popular belief its purpose is not to waterproof the roof. Ultimately a flat roof should play a part in a total architectural composition and has the ability to enhance the aesthetic and practical outcomes of a home.

What is the minimum thickness of a flat concrete roof for a house. A solid slab of concrete capping the top of your house. Standard roof sheathing which consists of 4 by 8 sheets of plywood or oriented strand board or osb is 1 2 inch thick and attaches directly to the roof rafters or the roof trusses. Im building a cinder block house in the cook islands an am planning to put a concrete roof on.

The roof needs to be thick in order to provide insulation and proper protection. However the layers used to create these falls often impose an unnecessary additional load and bring no technical advantage. They are often however part of a building design when future above roof level floors are contemplated. The minimum thickness for plain concrete structural footing is suggested by aci 318 14 and set as 200mm and the same value is suggested by ubc.

As an read more. A concrete roof is exactly what it sounds like.