Commercial flat roofs in Southwest Florida come in many forms. Asphaltic/bituminous roofs are the most popular, with rolled roofing seen most commonly. TPO and EPDM membranes are becoming more popular. Using the right attachment method is key to a successful leak-free solar energy system.
One product that is great for flat roofs comes from EcoFasten Solar. In this flat rolled roof solar installation we used EcoFasten base plates with a through-bolt attachment method to achieve extraordinary wind uplift capability. After drilling holes for threaded rods we placed a healthy dollop of sealant between the base plate and existing roof material. Custom patches were cut from the same rolled roofing material to cover the base plates. After the flyer was installed, granules were spread on the sealant that oozed from the edges. The EcoFasten compression plate was placed over the threaded studs, providing a base for the aluminum L-Feet.
This attachment method will ensure waterproofing integrity equal to the existing roof, the goal of any solar energy installation. Other factors, like water pooling, insulation depth, weight bearing capability, and attachment spacing are critical when planning a solar energy installation on an existing flat roof. Selecting a compatible location and waterproofing method should be left to the professionals!
No matter what type of flat roof your commercial building has, there is probably a suitable attachment method that can result in a successful solar energy installation.
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