CoatingsPro Magazine Supplements

ROOF 2018

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COATINGSPRO ROOF COATINGS 2018 19 SPONSORED CONTENT Johns Manville PMMA Liquid Roof Membrane JM PMMA Liquid Membrane and Flashing System provides an elastomeric, monolithic roofi ng and waterproof- ing membrane ideal for a wide variety of surfaces and fl ash- ings on SBS and BUR membrane systems. For plaza decks, balconies, garden roofs, small irregularly shaped roofs or roofs with many penetrations or as a standalone membrane, JM PMMA is the premium choice. JM PMMA Field Resin is part of a two-component, fast curing, polymethyl-methacrylate (PMMA) system for roofi ng and waterproofi ng application. It is combined with JM PMMA Catalyst and JM PMMA Scrim to form a monolithic reinforced membrane. JM PMMA can be used as a standalone membrane system or combined with JM SBS and BUR membranes as a fl ashing detail membrane system. Both options are eligible for a 20-year Peak AdvantageĀ® Guarantee. See how you can combine JM PMMA with other JM systems to provide the best solution for your project. JM PMMA Offers an Efficient Approach to The Orlando City Hall Restoration Description: 25 years after construction, Orlando's City Hall roof needed to be evaluated for replacement or resto- ration. rough extensive research, including moisture survey testing, it was determined that restoring the exist- ing roof was the most effi cient approach for this seven-level, nine-story downtown showcase. Challenge: e building's impressive dome and fl oors of various sizes provide visual interest but create signifi cant challenges regarding access and materials. An extensive amount of pre-planning with countless material decisionsā€” such as what to use to transition from a fl at surface to a ledge that leads to another level surface, how to get workers and materials into narrow spaces, and how to treat the many rounded corners not typically found on most roofs -- were all thoughtfully considered. Solution: To avoid disrupting vehicle and foot traffi c in and out of the building, material deliveries were offl oaded at night and scaff olding was erected to cordon off traffi c. For the many areas of the roof not accessible by door, crews repelled down to work spaces as narrow as two feet wide. For the shortest time frame possible, HVAC systems were shut down and triple charcoal fi lters put in place to combat the odors that can emanate from coating products endure the elements for 20-plus years. JM provided 100 percent of the roofi ng materials for this project which ran 120 days with a core crew of eight to ten, and up to 16. e Johns Manville PMMA solution quick-dry feature allowed the crews, after being repelled down into the tight spaces, to stay in place to apply the base coat and then a short 20 minutes later apply the top coat. is one product choice alone saved a signifi cant amount of time since the crew didn't have to access those hard-to-reach areas twice. Some competing PMMA products can require up to 24 hours before a top coat can be applied. "Johns Manville was a great materials partner. During the planning stages, my rep brought ideas to the table on how we were going to reach and treat the numerous smaller spaces," said Dan Noderer, Executive Vice President for McEnany Roofi ng. " ey are not a drop-and-go vendor. ey stayed with us through the entire job to make sure we had what we needed when we needed it." e experience and know-how brought to the team by Jim Peters, City of Orlando Assistant Construction Manager, Dan Noderer, and Todd Rauktis with JM, resulted in a complex project going well and completed ahead of schedule. Johns Manville 717 17th St. Denver, CO 80202 (800) 922-5922 www.jm.com/roofi ng Company Profile: Johns Manville Group

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