Project of the Month: Merrick, Inc., Vadnais Heights, Minnesota

The Duro-Last roofing system has been installed on the Merrick, Inc. building in Vadnais Heights, Minnesota. The project was completed at the end of August 2008 and is the largest solar electric application in the state, with 525 solar panels installed that are expected to produce 130,000 kilowatts of electricity a year. Beneath the solar electric system, the building is protected by over 50,000 square feet of Duro-Last’s single-ply PVC roofing system.

Merrick’s prefabricated roofing system was manufactured at Duro-Last’s Sigourney, Iowa, facility and installed by authorized contractor Four Seasons Energy Efficient Roofing, Inc. of Marine on St. Croix, Minnesota. “Duro-Last’s white membrane was the ideal system for this installation because it is solar-ready. It’s easy to install, and because it’s prefabricated, I can be confident that Merrick won’t have to worry about leaks underneath the solar system,” said Darrell Schaapveld, owner of Four Seasons.

The Duro-Last roofing system is an excellent sustainability choice. The white membrane’s high reflectivity benefits the building in rooftop areas where sunlight is not being collected by the solar panels. Because every Duro-Last roof is factory-prefabricated, less on-site waste is produced during installation.

The Duro-Last-plus-solar roofing assembly complements the buildings many other sustainable building features. Among them: a geothermal energy system under the parking lot, powered by the rooftop solar panels, will provide both heating and cooling; every room will have occupancy sensors to control electrical usage; the building will have energy-efficient insulation and windows throughout, maximizing natural light.

According to Duro-Last Vice President of Sales and Marketing, Steve Ruth, “This installation reinforces our leadership in the sustainable roofing market. The Duro-Last roofing system is increasingly being installed throughout the United States as the waterproofing membrane of choice for solar, vegetative, and other ‘green’ building applications.”

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