Concrete Flat Roof Thickness

For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers.

Concrete flat roof thickness.

The roof needs to be thick in order to provide insulation and proper protection. 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. Reinforced concrete slabs are heavier and generate higher seismic forces in an event. 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.

A concrete roof is exactly what it sounds like. The flat concrete roof itself can be up to 7 inches thick although the greater the thickness the more the concrete will need be poured in increasing numbers of layers with each one needing to dry before the next is poured. Quinn therm qrfr ffr insulation is a foil faced insulation board which helps further improve the thermal performance to help achieve the desired u value. Such slabs left unconnected to walls caused many deaths in the 2005 quake from school roof collapses.

The steel joists will provide a strong foundation for the flat concrete. 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. The blocks come in several sizes but this guide will assume you are using a 16 3 4 inch wide concrete slab. A solid slab of concrete capping the top of your house.

If reinforced concrete were to be reused strong connections would have to be made between roof and walls.