Reinforced Concrete Roof Deck Tornado Proof

Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete.

Reinforced concrete roof deck tornado proof.

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. A robust building material concrete can withstand extreme weather conditions and requires little maintenance as a non porous substance. Disaster resistant concrete shell variations. In this case the hurricane straps held the roof in place but the tornado pulled off the plywood roof sheathing which left the inside exposed.

New technology allows builders to pour a lightweight concrete roof on ay icf home using plywood form and regular wooden trusses for support. A solid slab of concrete capping the top of your house. While the windows were blown out and there was significant damage the structure survived. It boasts excellent thermal mass which reduces energy spent on heating and cooling takes less energy to produce compared to other materials and boasts low co2 emissions.

During construction precautions must be taken to prevent excessive moisture from being trapped between the reinforced concrete roof structure and membrane. Ridge and valley beams. For example the florida based company hurricane proof systems offers a 7 inch 18 centimeter slab of concrete in three layers. This concrete dome house in blanchard ok took a direct hit from an ef4 tornado in 2014.

In general a minimum fall of 1 in 80 will help to prevent ponding of water. Exact specifications vary but most concrete roofs are several inches thick. A concrete tornado room is only as good as its weakest point making the door to the room an important factor. This is one of the common causes of flat roof waterproofing failure.

Would cause a breakdown on the roof surface. A concrete roof is exactly what it sounds like. Because concrete doors would weigh too much for people to maneuver when they need to access the room fabricated or store bought missile resistant steel doors work best according to texas tech university s wind science engineering research center. Insulated reinforced concrete roof decks.

Structural concrete deck a cast in place concrete deck serves as an integral part of the structure and is designed to carry heavy loads normal weight concrete is typically used for cast in place construction. Sample structural analysis for a concrete shell. Tornado resistant houses with insulated concrete walls.