0753 1-2
SINGLE-PLY EPDM ROOFING
1.7 ENVIRONMENTAL REQUIREMENTS
A. Proceed with roofing work when existing and forecasted weather conditions permit
work to be performed in accordance with manufacturer's recommendations and
warranty requirements.
1.8 WARRANTY
A. The roof is currently warrantied by Johns Manville for 15 years, starting in 2015. All
work shall comply with the manufacturer’s requirements to maintain the existing
warranty and to have this work included in the warranty.
B. Installers guarantee period shall be for two (2) years after date of acceptance.
PART 2 - PRODUCTS
2.1 MATERIALS
A. All materials required by the manufacturer for a complete installation.
2.2 PRECAST CONCRETE WALKWAY PADS
A. Pavers shall be a nominal 24-inch by 24-inch by 2-inch thick precast concrete.
PART 3 - EXECUTION
3.1 ROOF WALKWAYS
A. Concrete Pavers:
1. Install separator mat over entire area of the paver field, extending 2-inches
beyond the pavers. Overlap mat one-foot minimum at side and end laps.
3.2 WORK ON THE EXISTING ROOF
A. Remove existing roofing, flashing, blocking and nailers where indicated on the
drawings.
B. All work on the existing roof shall be as detailed and in accordance with the roofing
manufacturers printed standards.
C. All work shall be made watertight at the end of each workday.
D. Protect the existing roof from damage and maintain the water-tightness of the
building.
3.3 MANUFACTURER'S FIELD SERVICES
A. Upon completion of work on the existing roof, a manufacturer's representative will
make a thorough inspection of the work to determine that it complies with the
manufacturer's standards and specifications.
3.4 CLEANING
A. Remove debris, scraps, containers, rubbish, and other trash resulting from
installation of the roofing system from job site each day.
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