Hurricane straps keep roofs on houses and can improve safety during tornadoes

By Gregory Kopp, Professor of Civil Engineering & ImpactWX Chair of Severe Storms Engineering, Western University

Many people think of a well-built house as one where the walls are strong enough to hold up the roof so it won’t fall on them. This is reinforced by children’s stories like the Three Little Pigs, where the house made of brick is the strongest when the Big Bad Wolf comes to town.

When a strong tornado passes through a neighbourhood, it results in total chaos. Debris is everywhere. Shingles and siding and bricks are thrown about. Entire roofs are tossed, often landing on neighbouring…

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