Installing a snow retention system on your next metal roof can provide protection for the building owner and extra income, credibility and market share for you.
As the winter build-up of snow and ice begins to thaw, and even in the dead of winter in some places, building owners run the risk of a heavy avalanche of snow or ice falling on property or people as it slides off the roof. You can see “Caution: Sliding Snow and Ice” signs in front of some buildings every year and probably witnessed a YouTube video of this happening. Deaths and injury occur every year when people are hit by the heavy ice and snow build-up.
Anticipating and addressing this liability with your customer can provide them with valuable protection from the risk of snow and ice damaging property or even killing a person and could establish you as the contractor that goes the extra mile for his customer. It’s not a time consuming or expensive add-on when you follow some simple guidelines and understand the issues involved.
Metal roofs have different properties from other roofs when it comes to sliding snow and ice; namely, metal roofs shed it quickly with little warning! This is partly due to the lack of friction provided by metal as well as its conductive properties.
There are several “Don’ts” when it comes to putting any type of snow retention on a metal roof:
There are some basic “Do’s” to a good snow retention system on a metal roof:
The Importance of an Engineered Layout
Snowload -Either listed on the plans or obtained from the local building department.Engineering the snow retention system is of paramount importance to protect the roof system, the owner and you. Don’t be afraid of the word “engineering!” Some reputable roof snow retention companies provide this free. All it takes is gathering a few facts:
Correctly installed snow retention is a good idea for the owner because it protects property and people from significant damage or even death. By adhering to a few simple Do’s and Don’ts and using an engineered layout, it could also be a significant way to enhance your business.
Terry Anderson has been in the roof consulting and roof accessory business for over 30 years. He is a Registered Roof Consultant, member of TRI and co-author of Concrete and Clay Tile Roof Design Criteria Manual for Cold and Snow Regions and the owner of several roof accessory patents including the original Snow Bracket and Ridge Riser®. His company, TRA Snow and Sun, Inc. manufactures snow retention devices for all types of roofs, solar mounting systems, and flexible ventilation and flashing products.
Published: Metal Construction News April 2014