New technology allows builders to pour a lightweight concrete roof on ay icf home using plywood form and regular wooden trusses for support.
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.
An ideal choice for tornado resistant wall construction is fox block icf s.
While it s still too soon to say that these designs are tornado proof they are almost certainly more resistant than traditional home designs.
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.
Beneath the roof cover structural concrete roof decks are commonly topside insulated using adhered insulation panels or cast in place lightweight insulating concrete.
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.
This concrete dome house in blanchard ok took a.
According to texas tech university s wind science engineering research center rooms built with 6 to 8 inch thick reinforced concrete masonry provide resistance for f5 tornadoes the most powerful storm possible.
Ridge and valley beams.
When concrete masonry is used you must also add conventional reinforcing bars to give the structure more strength.
Disaster resistant concrete shell variations.
Insulated reinforced concrete roof decks.
Sample structural analysis for a concrete shell.
Fox blocks contain thermal and structural features within a single reinforced concrete wall section.
Insulated reinforced concrete roof decks.
Tornado resistant houses with insulated concrete walls.
To reinforce roofs against tornadoes you ll need a structural reinforced concrete roof deck.
Builder six concrete homes that are storm proof and stylish for hurricane prone coastal areas you can t get more resilient than a concrete home.