CoatingsPro Magazine

JAN 2018

CoatingsPro offers an in-depth look at coatings based on case studies, successful business operation, new products, industry news, and the safe and profitable use of coatings and equipment.

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Page 81 of 116

COATINGSPRO JANUARY 2018 81 Overnight Job Swatkowski called on a crew of 12 people for the job. His company, Greener World Solutions, employs 29 people overall. Because his company is based in Waseca, Minnesota, it was a bit of a trip to get to Barron, Wisconsin. It was about a three- hour drive, Swatkowski said. So the plan was for him and his The substrate needed to be dried before the crew could install the boards. They used steel blowers to remove the moisture and then fastened down 2-inch (5.1 cm) sheets of iso board. To apply the VFI 727 2.7 PCF Roofing Foam, the crew used a Graco H40. This allowed the crew to spray apply 1.5 inches (3.8 cm) of the SPF, also called spray foam. JOB AT A GLANCE PROJECT: Install a new roof system for a technical education building to reach an R-value of 38 COATINGS CONTRACTOR: Greener World Solutions 33908 128th St. Waseca, MN 56093 (855) 612-8038 SIZE OF CONTRACTOR: 29 employees SIZE OF CREW: 12 crew members PRIME CLIENT: Barron County Schools 100 W River Ave. Barron, WI 54812 (715) 537-5612 SUBSTRATE: Concrete CONDITION OF SUBSTRATE: New SIZE OF JOB: 105,139 sq. ft. (9767.7 m²) DURATION: 6 days UNUSUAL FACTORS/CHALLENGES: » The crew imposed a short timeline for the job, since they had to travel and get lodging. » Construction delays pushed the project into August, which meant high-moisture weather. MATERIALS/PROCESSES: » Dried the substrate with steel blowers » Fastened down 2-inch (5.1 cm) sheets of iso board with a ½-inch (12.7 mm) fiber board on top » Sprayed 1.5 inches (3.8 cm) of Volatile Free's VFI 727 2.7 PCF Roofing Foam using a Graco H40 » Applied two coats of Volatile Free VFI 990 96 percent solids silicone at an average of 30 mils (762.0 microns) with a Hennes-Johnson HJ7220 » Embedded roof granules into the topcoat with their own granulizers SAFETY CONSIDERATIONS: » Used safety cones with flags around the perimeter of the roof » Wore 3M organic half-face masks

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