Specifications - State of Delaware

SECTION 075419 - POLYVINYL-CHLORIDE (PVC) ROOFING: continued
E. FM Approvals:
1. FM Approvals 4450-1989 - Approval Standard for Class 1 Insulated Steel Deck Roofs
(with 1992 Supplement).
2. FM Approvals 4470-1986 - Approval Standard Class 1 Roof Covers (with 1987 and 1992
Supplements).
3. RoofNav, undated.
F. FM Global:
1. FM Global Loss Prevention Data Sheet 1-28-2005 - Design Wind Load.
2. FM Global Loss Prevention Data Sheet 1-29-2005 - Roof Deck Securement and Above-
Deck Roof Components.
G. National Roofing Contractors Association:
1. The NRCA Roofing and Waterproofing Manual, 5th ed. 2001 (Revised 2006).
H. SPRI:
1. SPRI RP-4-2002 - Wind Design Standard for Ballasted Single-Ply Roofing Systems
(ANSI).
I. U.S. Department of Energy:
1. DOE Roof Products Qualified Product List, undated.
1.04 DEFINITIONS:
A. Roofing Terminology: See ASTM D1079 and glossary in NRCA's "The NRCA Roofing and
Waterproofing Manual" for definition of terms related to roofing work in this Section.
1.05 PERFORMANCE REQUIREMENTS:
A. General Performance: Installed membrane roofing and base flashings shall withstand specified
uplift pressures, thermally induced movement, and exposure to weather without failure due to
defective manufacture, fabrication, installation, or other defects in construction. Membrane
roofing and base flashings shall remain watertight.
B. Material Compatibility: Provide roofing materials that are compatible with one another under
conditions of service and application required, as demonstrated by membrane roofing
manufacturer based on testing and field experience.
C. Roofing System Design: Provide membrane roofing system that is identical to systems that
have been successfully tested by a qualified testing and inspecting agency to resist uplift
pressure calculated according to ASCE/SEI 7.
1. Corner Uplift Pressure: In accordance with FM 1-90.
2. Perimeter Uplift Pressure: In accordance with FM 1-90.
3. Field-of-Roof Uplift Pressure: In accordance with FM 1-90.
D. FM Approvals Listing: Provide membrane roofing, base flashings, and component materials
that comply with requirements in FM Approvals 4450 and FM Approvals 4470 as part of a
membrane roofing system, and that are listed in FM Approvals' "RoofNav" for Class 1 or
noncombustible construction, as applicable. Identify materials with FM Approvals markings.
1. Fire/Windstorm Classification: Class 1A-120.
2. Hail Resistance: MH.
E. Solar Reflectance Index: Not less than 78 when calculated according to ASTM E1980, based
on testing identical products by a qualified testing agency.
F. Energy Performance: Provide roofing system that is listed on the DOE's ENERGY STAR
"Roof Products Qualified Product List" for low-slope roof products.
G. Energy Performance: Provide roofing system with initial solar reflectance not less than 0.70
and emissivity not less than 0.75 when tested according to CRRC-1.
075419-2 DEAN075419.DOC