How Do Steel Buildings Withstand Inclement Weather Conditions?

Metal Garage

Short Answer: There are various ways your steel building withstands inclement weather: anchors for high winds, engineered trussing for snow loads, steel sheeting for dent resistance, and vertical sheeting for rain and debris runoff.



When researching pricing for your steel building, you may notice that most pricing “varies by area.” This is because when building steel structures, it must meet your local snow load to withstand the weight on the roof of the building. For example, for installing structures in high snow load areas such as the state of Michigan and Wisconsin, the building is built with closer spacings. However, for establishing a building in areas with lower snow loads, such as Illinois, Indiana, or Ohio, the building is built with spaces that are further apart. The style of trussing also changes! All spacing calculations and trussing styles vary among contractors. We recommend checking with your contractor to ensure your building meets your area’s local snow load requirements.


When purchasing anchors, you are wind-certify your steel building to withstand winds up to a specific speed. The number of anchors recommends for your building and the wind certification varies among contractors. Some contractors may add more anchors than others, and some may certify your building for a different wind speed. Other factors affecting the number of anchors your building requires include area, building size, and installation site. Wind certifications can typically range from 90 to 140 miles per hour. If you happen to be in an area where you believe your structure could be affected by high winds, inform your contractor.


When purchasing a steel structure, you’re trusting that the building will be able to protect your valuables and shield them from various weather conditions such as rain or sleet. When engineering vertical roofing and siding, you’ll need additional framework for significant reinforcement. Some contractors may offer upgrades in your project to help the building withstand water. For example, structures that are 32’ wide and up can use concrete sealant that helps eliminate issues with water seepage beneath the base rails. Check in with your contractor if you have concerns about water issues in your area.


One thing that can cause severe damage to your valuables includes hail. If not properly protected, your automobiles, recreational vehicles, and other valuables can be greatly affected by hail. One way to ensure the items you are storing in your building are protected is to ensure your steel building has hail-resistant properties. For example, it is common to use steel sheeting with 40% more resistance from dents caused by harsh hailstorms. However, other contractors may use different grades of steel sheeting. This why it is important to understand what material your building will consist of to ensure it meets your needs.

MW Steel Buildings

(877) 368-8244


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Standard Roof

Standard or known as “Regular” roof style have rounded corners. The regular roof has no trim on your eaves, ridge cap, nor purlins (hat channel) making it cost effective option. Standard roofs are best used in areas that experience fair weather year round.


A-Frame Horizontal Roof

A-Frame Horizontal roofs give your structure a residential look. The sheet panels run from side to side and does not have purlins or ridge cap. The increase in price to upgrade to A-Frame Horizontal is the additional welding needed on your trusses (bows). An excellent option to keep your residential look for residential areas for a minimum upgrade costs.


A-Frame Vertical Roof

Known as the best choice for areas that experience extreme weather conditions, the vertical roof style is hands down the best choice for Michigan weather. The roof panels run from the pitch to the eaves causing heavy snows, rain, and natural elements to slide off the roof easily. In order to tie down the panels to the structure, we must add purlins or hat channels lengthwise making the structure more rigid. The finished look with special trim all around the roof and ridge cap makes this roof style the best option.