075323Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING Page 1 of 9 075323
SECTION 075323 -ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING
PART 1 -GENERAL
1.1 RELATED DOCUMENTS
A.Drawings and general provisions of the Contract, including General and
Supplementary Conditions and Division 01 Specification Sections, apply to this
Section.
1.2 SUMMARY
A.This Section includes the following:
1.Adhered membrane roofing system.
2.Walk way pads.
B.Related Sections include the following:
1.Division 06 Section "Miscellaneous Carpentry" for wood nailers, curbs,
and blocking; and for wood-based, structural-use roof deck panels.
1.3 DEFINITIONS
A.Roofing Terminology: Refer to ASTM D 1079 and glossary of NRCA's "The
NRCA Roofing and Waterproofing Manual" for definition of terms related to
roofing work in this Section.
B.Design Uplift Pressure: The uplift pressure, calculated according to procedures
in SPRI's "Wind Load Design Guide for Fully Adhered and Mechanically Fastened
Roofing Systems," before multiplication by a safety factor.
C.Factored Design Uplift Pressure: The uplift pressure, calculated according to
procedures in SPRI's "Wind Load Design Guide for Fully Adhered and
Mechanically Fastened Roofing Systems," after multiplication by a safety factor.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING Page 2 of 9 075323
1.4 PERFORMANCE REQUIREMENTS
A.General: Provide installed roofing membrane and base flashings that remain
watertight; do not permit the passage of water; and resist specified uplift
pressures, thermally induced movement, and exposure to weather without
failure.
B.Material Compatibility: Provide roofing materials that are compatible with one
another under conditions of service and application required, as demonstrated
by roofing membrane manufacturer based on testing and field experience.
C.FMG Listing: Provide roofing membrane, base flashings, and component
materials that comply with requirements in FMG 4450 and FMG 4470 as part of
a membrane roofing system and that are listed in FMG's "Approval Guide" for
Class 1 or noncombustible construction, as applicable. Identify materials with
FMG markings.
1.Fire/Windstorm Classification: Class 1A-90.
2.Hail Resistance: MH.
1.5 SUBMITTALS
A.Product Data: For each type of product indicated.
B.Manufacturer Certificates: Signed by roofing manufacturer certifying that
roofing system complies with requirements specified in "Performance
Requirements" Article.
1.Submit evidence of meeting performance requirements.
C.Maintenance Data: For roofing system to include in maintenance manuals.
D.Warranties: Special warranties specified in this Section.
1.6 QUALITY ASSURANCE
A.Installer Qualifications: A qualified firm that is approved, authorized, or
licensed by roofing system manufacturer to install manufacturer's product and
that is eligible to receive manufacturer's warranty.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING Page 3 of 9 075323
B.Manufacturer Qualifications: A qualified manufacturer that has FMG approval
for membrane roofing system identical to that used for this Project.
C.Source Limitations: Obtain components for membrane roofing system from
same manufacturer as roofing membrane.
D.Fire-Test-Response Characteristics: Provide membrane roofing materials with
the fire-test-response characteristics indicated as determined by testing
identical products per test method below by UL, FMG, or another testing and
inspecting agency acceptable to authorities having jurisdiction. Materials shall
be identified with appropriate markings of applicable testing and inspecting
agency.
1.Exterior Fire-Test Exposure: Class A;ASTM E 108, for application and
roof slopes indicated.
2.Fire-Resistance Ratings: ASTM E 119, for fire-resistance-rated roof
assemblies of which roofing system is a part.
1.7 DELIVERY, STORAGE, AND HANDLING
A.Deliver roofing materials to Project site in original containers with seals
unbroken and labeled with manufacturer's name, product brand name and
type, date of manufacture, and directions for storing and mixing with other
components.
B.Store liquid materials in their original undamaged containers in a clean, dry,
protected location and within the temperature range required by roofing
system manufacturer. Protect stored liquid material from direct sunlight.
1.Discard and legally dispose of liquid material that cannot be applied
within its stated shelf life.
C.Protect roof insulation materials from physical damage and from deterioration
by sunlight, moisture, soiling, and other sources. Store in a dry location.
Comply with insulation manufacturer's written instructions for handling,
storing, and protecting during installation.
D.Handle and store roofing materials and place equipment in a manner to avoid
permanent deflection of deck.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING Page 4 of 9 075323
1.8 PROJECT CONDITIONS
A.Weather Limitations: Proceed with installation only when existing and
forecasted weather conditions permit roofing system to be installed according
to manufacturer's written instructions and warranty requirements.
1.9 WARRANTY
A.Special Warranty: Manufacturer's standard form, without monetary limitation,
in which manufacturer agrees to repair or replace components of membrane
roofing system that fail in materials or workmanship within specified warranty
period. Failure includes roof leaks.
1.Special warranty includes roofing membrane, base flashings, fasteners
walkway products and other components of membrane roofing system.
2.Warranty Period: 10 years from date of Substantial Completion.
PART 2 -PRODUCTS
2.1 EPDM ROOFING MEMBRANE
A.EPDM Roofing Membrane: ASTM D 4637, Type I, nonreinforced uniform,
flexible sheet made from EPDM, and as follows:
1.Manufacturer:
a.Carlisle SynTec Incorporated.
2.Thickness: 60 mils, nominal.
3.Exposed Face Color: Black.
2.2 AUXILIARY MATERIALS
A.General: Auxiliary materials recommended by roofing system manufacturer for
intended use and compatible with membrane roofing.
1.Liquid-type auxiliary materials shall meet VOC limits of authorities
having jurisdiction.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING Page 5 of 9 075323
B.Sheet Flashing: 60-mil-thick EPDM, partially cured or cured, according to
application.
C.Epichlorohydrin Sheet: 60-mil-thick, unreinforced flexible sheet with the
following typical properties as determined per ASTM test method indicated:
1.Tensile Strength: 1500 psi; ASTM D 412.
2.Ultimate Elongation: 200 percent; ASTM D 412.
3.Tear Resistance: 150 lbf/in.; ASTM D 412.
4.Brittleness Temperature: Minus 20 deg F; ASTM D 746.
5.Resistance to Ozone Aging: No cracks after 168 hours' exposure of 50
percent elongated sample at 104 deg F and 100-pphm ozone;
ASTM D 1149.
6.Resistance to Oil Aging: 15 percent maximum mass change after 168
hours' immersion in diesel fuel No.2 at 158 deg F; ASTM D 471.
D.Bonding Adhesive: Manufacturer's standard bonding adhesive.
E.Seaming Material: Manufacturer's standard synthetic-rubber polymer primer
and 3-inch-wide minimum, butyl splice tape with release film.
F.Lap Sealant: Manufacturer's standard single-component sealant, color to
match roofing membrane.
G.Water Cutoff Mastic: Manufacturer's standard butyl mastic sealant.
H.Metal Termination Bars: Manufacturer's standard predrilled stainless-steel or
aluminum bars, approximately 1 by 1/8 inch thick; with anchors.
I.Walkway pads: Manufacturer’s standard synthetic rubber pads with urethane
ballast in rolls or tiles.
J.Miscellaneous Accessories: Provide pourable sealers, preformed cone and vent
sheet flashings, preformed inside and outside corner sheet flashings, T-joint
covers, in-seam sealants, termination reglets, cover strips, and other
accessories.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING Page 6 of 9 075323
PART 3 -EXECUTION
3.1 EXAMINATION
A.Examine substrates, areas, and conditions, with Installer present, for
compliance with the following requirements and other conditions affecting
performance of roofing system:
1.Verify that roof openings and penetrations are in place and set and
braced and that roof drains are securely clamped in place.
2.Verify that wood blocking, curbs, and nailers are securely anchored to
roof deck at penetrations and terminations and that nailers match
thicknesses of insulation.
3.Proceed with installation only after unsatisfactory conditions have been
corrected.
3.2 PREPARATION
A.Clean substrate of dust, debris, moisture, and other substances detrimental to
roofing installation according to roofing system manufacturer's written
instructions. Remove sharp projections.
B.Prevent materials from entering and clogging roof drains and conductors and
from spilling or migrating onto surfaces of other construction. Remove roof-
drain plugs when no work is taking place or when rain is forecast.
C.Complete terminations and base flashings and provide temporary seals to
prevent water from entering completed sections of roofing system at the end
of the workday or when rain is forecast. Remove and discard temporary seals
before beginning work on adjoining roofing.
3.3 ADHERED ROOFING MEMBRANE INSTALLATION
A.Installroofing membrane over area to receive roofing according to membrane
roofing system manufacturer's written instructions. Unroll roofing membrane
and allow to relax before installing.
B.Accurately align roofing membrane and maintain uniform side and end laps of
minimum dimensions required by manufacturer. Stagger end laps.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
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C.Mechanically or adhesively fasten roofing membrane securely at terminations,
penetrations, and perimeter of roofing.
D.Apply roofing membrane with side laps shingled with slope of roof deck where
possible.
E.Adhesive Seam Installation: Clean both faces of splice areas, apply splicing
cement, and firmly roll side and end laps of overlapping roofing membranes
according to manufacturer's written instructions to ensure a watertight seam
installation. Apply lap sealant and seal exposed edges of roofing membrane
terminations.
1.Apply a continuous bead of in-seam sealant before closing splice if
required by membrane roofing system manufacturer.
F.Tape Seam Installation: Clean and prime both faces of splice areas, apply
splice tape, and firmly roll side and end laps of overlapping roofing
membranes according to manufacturer's written instructions to ensure a
watertight seam installation. Apply lap sealant and seal exposed edges of
roofing membrane terminations.
G.Repair tears, voids, and lapped seams in roofing that does not meet
requirements.
H.Spread sealant or mastic bed over deck drain flange at deck drains and
securely seal roofing membrane in place with clamping ring.
I.Install roofing membrane and auxiliary materials to tie in to existing roofing.
J.Apply epichlorohydrin sheet over roofing membrane at locations indicated.
3.4 BASE FLASHING INSTALLATION
A.Install sheet flashings and preformed flashing accessories and adhere to
substrates according to membrane roofing system manufacturer's written
instructions.
B.Apply bonding adhesive to substrate and underside of sheet flashing at
required rate and allow to partially dry. Do not apply bonding adhesive to
seam area of flashing.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING Page 8 of 9 075323
C.Flash penetrations and field-formed inside and outside corners with cured or
uncured sheet flashing.
D.Clean splice areas, apply splicing cement, and firmly roll side and end laps of
overlapping sheets to ensure a watertight seam installation. Apply lap sealant
and seal exposed edges of sheet flashing terminations.
E.Terminate and seal top of sheet flashings and mechanically anchor to
substrate through termination bars.
3.5 FIELD QUALITY CONTROL
A.Final Roof Inspection: Arrange for roofing system manufacturer's technical
personnel to inspect roofing installation on completion and submit report to
Architect.
1.Notify Architect or Owner 48 hours in advance of date and time of
inspection.
B.Repair or remove and replace components of membrane roofing system where
test results or inspections indicate that they do not comply with specified
requirements.
C.Additional testing and inspecting, at Contractor's expense, will be performed
to determine compliance of replaced or additional work with specified
requirements.
3.6 PROTECTING AND CLEANING
A.Protect membrane roofing system from damage and wear during remainder of
construction period. When remaining construction will not affect or endanger
roofing, inspect roofing for deterioration and damage, describing its nature
and extent in a written report, with copies to Architect and Owner.
B.Correct deficiencies in or remove membrane roofing system that does not
comply with requirements, repair substrates and repair or reinstall membrane
roofing system to a condition free of damage and deterioration at time of
Substantial Completion and according to warranty requirements.
Proj. No. 10105 Residence Conversions October 7, 2011
58 Kensington, 57 Dryads Green, 72 Dryads Green
Smith College, Northampton, MA
ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING Page 9 of 9 075323
END OF SECTION 075323