CoatingsPro Magazine

MAY 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 59 of 92

COATINGSPRO MAY 2018 59 Hurricane Irma Dampens Plan e job was slated to take about four weeks in total, but it ended up taking close to six or seven due to unforeseen circumstances. Carruth and his six-man crew arrived at the jobsite in early September 2017, and before they could begin installing the new coating system, there were a few miscellaneous repairs to the prior roof system and adjoining walls that needed to be performed. Additional drains were installed to help with ponding issues. Typical personal protective equipment (PPE) was worn on the project, including long-sleeved shirts, steel-toed boots, and safety glasses acquired from Big Rock Supply. Fall protection was unnecessary on the roofs due to the heights of the perime- ter walls. But after only a few days at the jobsite, they were pulled off courtesy of another oceanfront risk in the form of a hurricane. In this case, Hurricane Irma traveled up the Florida peninsula and ravaged infrastructure throughout the state — especially in coastal locations. After demobilizing and hunkering down for a week, Carruth sent one of his project managers out to the site and quickly discovered that the job had rapidly expanded in its scope due to the wind and associated damage from the storm. "ere was obvious damage," Carruth said. "ey had 60 feet [18.3 m] of wall that was missing, and the modified capsheet and plywood were exposed. As soon as you walked up, it was like 'Wow.' ere were pieces of metal that were picked up in the air!" As a result of that damage, the surface preparation phase of the project lasted significantly longer than expected. Going into the project, the crew expected that it would have to cut out a few blisters on each roof and address some membrane failures. But the effects of Irma required particular attention to the walls and metal flashings. "During Irma, they lost a massive section of the interior parapet wall that blew off," Carruth explained. "We had to put new material down over that before we could coat it again." After pressure washing the roofs to remove all debris, Once additional drains were installed to help reduce ponding, the crew pressure washed the granulated modified bitumen before laying down a self-adhering granulated capsheet with a glass base sheet. JOB AT A GLANCE PROJECT: Restore roofs to condominium buildings and garages on a Florida beach- front complex with a coating system with environmental benefits COATINGS CONTRACTOR: Advanced Roofing, Inc. 1950 NW 22nd St. Fort Lauderdale, FL 33311 (800) 638-6869 SIZE OF CONTRACTOR: ~425 employees SIZE OF CREW: 6 crew members PRIME CLIENT: Sea Oats Condominium Association 4570 Ocean Beach Blvd. Cocoa Beach, FL 32931 (321) 783-1234 SUBSTRATE: Granulated modified bitumen roofing CONDITION OF SUBSTRATE: The 16-year-old roof was in fair condition SIZE OF JOB: 45,900 sq. ft. (4,264 m²) DURATION: ~7 weeks UNUSUAL FACTORS/CHALLENGES: » Hurricane Irma blew in during the initial week of the project, leading to significantly more damage to the metal flashings and a longer structural repair period than anticipated. » Wind at the oceanfront site had to be worked around when spraying. » The crew had to work as quietly as possible around condo tenants. MATERIALS/PROCESSES: » Installed additional drains to help with ponding issues » Pressure washed roofs to remove all debris » Put down walls with a self-adhering granulated capsheet with a glass base sheet nailed to the wood deck with fasteners and plates in areas with structural damage from Irma » Cut out blisters and membrane failures with a razor knife before applying a heat-welded material to make it "tight with the old roof" » Spray applied Tropical's #996 Eterna-Sil Premium Asphalt Bleed Blocker as a primer with a Graco GMax 7900 at a rate of 0.75 to 1 gallons (2.8–3.8 L) per 100 square feet (9.3 m²) » Brushed on Tropical's #9100 Eterna-Sil Premium Silicone Multi-Purpose Mastic to all vertical penetrations and fasteners » Spray applied Tropical's #914P Eterna-Sil Premium 100 percent Silicone Roof Coating at 2.5 gallons (9.5 L) per 100 square feet (9.3 m²) over the entire roof SAFETY CONSIDERATIONS: » Wore safety glasses, long-sleeved shirts, and steel-toed boots » Did not need fall protection since the roofs had parapet walls

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