Concrete Flat Roof Thickness

Step 3 placing the steel joists.

Concrete flat roof thickness.

If reinforced concrete were to be reused strong connections would have to be made between roof and walls. 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. The blocks come in several sizes but this guide will assume you are using a 16 3 4 inch wide concrete slab. Reinforced concrete slabs are heavier and generate higher seismic forces in an event.

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. There are a number of quinn therm roof insulation boards which will suit a warm deck flat roof construction built with a concrete deck each with different facings. 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. Such slabs left unconnected to walls caused many deaths in the 2005 quake from school roof collapses.

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. The roof needs to be thick in order to provide insulation and proper protection. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. A solid slab of concrete capping the top of your house.

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