Tornadoes, cyclones, and hurricanes are three enormous nightmares for homeowners concerned about their roofs. After all, a vacuum right underneath a roof can send it flying instantly and without warning. The result is catastrophic, and it’s completely cumbersome to replace if you’re short on finances. Fortunately, engineering has found the ideal roof shapes to help you combat windstorms.
Multiple-jointed roof shapes, such as gable and hip roofs, do a great job of repelling windstorms. Their natural shapes allow wind to pass through multiple angles, having winds lose their momentum facing multiple directions before they collide against each other, further reducing their strength.
Truthfully, roof designers revealed that they are octagonal or hexagonal in shape, though it will clearly reduce residential curb appeal, greatly contribute to enhancing roof dependability during a windstorm. However, a roof that’s completely fastened to the wall and has proper overhang installations is one that is tornado-proof.
While these and excellent roofers in London, ON can help preserve your home in any possible windstorm, it’s best to look for windstorm roofing or full residential insurers to help you find the best products suitable for your needs. Dense roofing material and tornado-proof roof shape can only do so much against unpredictable forces during a windstorm.
Keep it Precise gives us a great tornado-proofing list to help you enhance your roof against any storm. Learn more about it below.
1. Choose the Right Roof Material
Some roof materials can withstand high winds much better than others. The three roof materials most resistant to high winds are metal panels, asphalt shingles, and concrete tiles.
Metal roofs offer superior wind resistance due to how metal panels interlock and overlap when attached to their metal roof underlayment. When properly installed, metal roof panels join so tightly together that storm winds cannot flow underneath them and lift the roof upward. For ultimate wind resistance, choose a metal roof with concealed panel fasteners and a four-way interlocking panel design.
Asphalt shingles can also offer good wind resistance if you choose shingles with a high wind resistance rating. For ultimate tornado protection, choose class H asphalt shingles that are designed to withstand up to 150 mph winds.
Concrete tiles are naturally wind-resistant due to their natural porosity. Wind flows through concrete tile pores, which prevents uplifting of the tiles. Concrete tiles are naturally resistant to winds up to 125 mph or even higher.
2. Opt for Multiple Roof Slopes
While two-slope gable roofs are common, they are not very wind resistant. High wind forces can cause them to collapse or blow off your home -in the midst of a tornado. Flat roofs are also surprisingly not very wind-resistant.
Research conducted by the New Jersey Institute of Technology (NJIT) revealed that roofs with four or more panels tend to perform best when exposed to high winds due to their aerodynamic nature. A popular type of four-slope roof is a hip roof, although there are many other multiple-slope roof styles you can choose from.
3. Design Roof Overhangs Wisely
Roof overhangs perform the important task of protecting the exterior of your home and your home’s foundation from rainwater damage and the sun’s damaging rays. However, roof overhangs that are too wide can make your entire roof less wind-resistant — upward-blowing winds can lift your roof up by these overhangs very easily.
To obtain the benefits of roof overhangs with less risk of roof upheaval during a tornado, choose overhangs that are 20-inches in width or less.
4. Connect Your Roof to Your Walls
When designing a tornado-resistant roof, it is important to ensure your roof is connected to your home’s walls. Many homeowner’s insurance companies believe that having a secure roof-to-wall connection is the most important step to limiting damage inflicted to a home by high-force winds and offer a discount to homeowners who have these connections.
When your roof is securely attached to your home walls, the weight of your home’s walls and foundation help to keep the roof in place when it is subjected to high winds. (Continued)
If you have yet to find a reliable roofer to help with all your roofing installations, repairs, and replacements, you can always count on us at Cub Roofing. Contact us today to learn more about everything that we can do for you.