Rev. 13 November 1, 2016
Page | 30maintain the vapor retarder above the dew point temperature and prevent condensation. Vapor retarder systems shall not
be penetrated by roof system fasteners.07 27 00 Air Barriers
Air barriers shall be used in roof systems, and shall be continuous with adjacent wall system air barriers, where/as
required to meet the building code.07 50 00 - Membrane Roofing
Membrane selection requires evaluation by the Design Professional UIHC Design Team, Engineering Services, and
review and approval by the UIHC Project Manager.
In addition, the roof system must meet the criteria listed in Part I. General Requirements. It shall also be the Design
Professional's responsibility to follow the FM Global Roof Design Process described in Paragraph 2.1.5 of this standard.
The Design Professional shall not assume that just because a roof assembly has an FM Global RoofNav Assembly
Number, that the roof assembly is appropriate for the project, meets the membrane Manufacturer's requirements, or is
eligible for UIHC's required warranty type. The Design Professional shall verify these items with the Manufacturer's
Technical Representatives and design the roof system to meet all applicable standards.
Peel stops shall be considered at the perimeters of adhered single-ply membrane systems. Peel stops shall be carefully
designed if a vapor retarder is required, to prevent breaches where fasteners penetrate the roof system.
Walkways shall be provided at traffic paths and around rooftop equipment requiring maintenance. Follow the shortest
distance between points - right angles discourage use. Consider window washing operations, where required, when
designing walkway layouts. Consider additional walkways for roof systems that have a low slip-resistance rating.
Base flashing terminations shall be detailed with termination bars and positive seals, independent of sheet metal flashings.
Locate terminations below through-wall flashings and weep systems where present. Install secondary metal
counterflashings over terminations.
Solvent-based adhesives shall be specified, to allow widest application temperature windows and maximum flexibility in
construction scheduling during cold weather.
Penetration flashing details shall be accomplished without the use of pitch pans. Pipe chases with sheet metal covers
shall be used at utility penetrations associated with mechanical, electrical, and communication systems.
Wood blocking shall not be used to support mechanical, electrical, or communication piping, conduits, raceways, cable
trays, lines, etc. See Division 23 for required types and manufacturers of supports. Set supports over roof membrane
manufacturer's recommended walkway material.
Approved Roof Membrane Manufacturers are as listed below, and substitutions shall not be specified unless first
approved in writing by the UIHC Project Manager.07 52 23.04 Adhered EPDM Elastomeric Membrane Roofing- Firestone Building Products.
- Carlisle SynTec Incorporated.