section 07243 - water-drainage exterior insulation and finish systems

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UniSpec II
012513
SECTION 07243 (07 2419) - WATER-DRAINAGE EXTERIOR INSULATION AND FINISH SYSTEM (EIFS)
(SHEATHING SUBSTRATE)
PART 1 GENERAL
1.1
SUMMARY
A.
S
ection Includes: Field applied channeled or grooved insulation water-drainage exterior insulation and finish
system (EIFS) applied over sheathing substrate.
B.
R
elated Requirements:
1.
Section 05400 - Cold Formed Metal Framing: Framing for gypsum sheathing substrate.
2.
Section 06100 - Rough Carpentry: Non-structural plywood panels used for sheathing.
3.
Section 07900 - Joint Sealers: Joint sealants used in conjunction with exterior insulation and finish system.
4.
Section 09250 - Gypsum Board: Gypsum sheathing.
5.
Section 09900 - Paint and Coatings: Field applied paint finish.
6.
Section 10231 - Soffit Vents: Soffit vents.
1.2
REFERENCES
A.
T
he publications listed below form a part of this specification to the extent referenced. Publications are referenced
within the text by the basic designation only.
B.
A
STM International (ASTM):
1.
ASTM C 578 - Rigid, Cellular Polystyrene Thermal Insulation.
2.
ASTM C 1063 - Installation of Lathing and Furring to Receive Interior and Exterior Portland CementBased Plaster.
3.
ASTM E 84 - Surface Burning Characteristics of Building Materials.
4.
ASTM D 1784 - Rigid Poly(Vinyl Chloride) (PVC) Compounds and Chlorinated Poly(Vinyl Chloride)
(CPVC) Compounds.
5.
ASTM E 2430 - Expanded Polystyrene ("EPS") Thermal Insulation Boards For Use In Exterior Insulation
and Finish Systems ("EIFS").
6.
ASTM E 2568 - PB Exterior Insulation and Finish Systems.
C.
I
CC Evaluation Service, Inc. (ICC-ES):
1.
ICC-ES AC212 - Acceptance Criteria For Water-Resistive Coatings Used As Water-Resistive Barriers
Over Exterior Sheathing.
2.
ICC-ES AC235 - Acceptance Criteria For EIFS Clad Drainage Wall Assemblies.
D.
N
ational Fire Protection Association (NFPA):
1.
NFPA 268 - Standard Test Method For Determining Ignitibility Of Exterior Wall Assemblies Using A
Radiant Heat Energy Source.
2.
NFPA 259 - Standard Test Method For Potential Heat Of Building Materials.
1.3
PREINSTALLATION MEETING
A.
C
onvene Preinstallation Meeting at Site one week prior to commencing work of this Section.
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B.
A
ttendance:
1.
Require attendance of parties directly affecting work of this Section, including, but not limited to the
following:
a.
Owner’s Construction Manager.
b.
General Contractor.
c.
EIFS Subcontractor.
d.
Owner’s Construction Testing Laboratory.
e.
EIFS Manufacturer's Representative.
2.
Notify attendees at least two weeks prior to the conference.
C.
A
genda:
1.
Review preparation and installation procedures and coordinating and scheduling required with related
work.
2.
Review foreseeable methods and procedures related to roofing work, including the following:
3.
Tour, inspect and discuss condition of substrate, penetrations and other preparatory work performed by
other trades.
4.
Review EIFS system requirements (Drawings, Specifications and other Contract Documents including
submittals).
5.
Review required submittals.
6.
Review and finalize construction schedule related to EIFS work and verify availability of materials,
installer's personnel, equipment, and facilities needed to make progress and avoid delays.
7.
Review required inspections, testing, and material usage accounting procedures.
8.
Review weather and forecasted weather conditions, and procedures for coping with unfavorable conditions.
1.4
Documentation: Record discussions of conference and decisions and agreements reached and furnish
copy of record to each party attending.
1.5
SUBMITTALS
A.
C
omply with the requirements of Section 01330.
B.
P
roduct Data: Submit data showing all system components and diagrams of complete system to be used.
C.
E
valuation Reports: Submit current ICC-ER report specified in Part 2 of this Section.
1.6
CLOSEOUT SUBMITTALS
A.
C
omply with the requirements of Section 01770.
B.
C
ontractor Installation Declaration Forms: Include completed Exhibit A and Exhibit B forms (included at the end
of this section) signed by EIFS Contractor and Sealant Installer.
C.
M
anufacturer's Observation Reports: Submit report signed by EIFS manufacturer of observations during site visit
by manufacturer’s representative.
1.7
QUALITY ASSURANCE
A.
I
nstaller Qualifications: Single firm, approved in writing by EIFS manufacturer, employing trained workers
familiar with current installation methods and materials. Installer shall have not less than 2 years documented
experience in the installation of the specific drainable system to be installed and on projects of same size and
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scope.
B.
S
ource Limitations: Obtain EIFS from single source from single EIFS manufacturer and from sources approved by
EIFS manufacturer as compatible with system components.
PART 2 PRODUCTS
2.1
MANUFACTURERS
A.
M
anufacturers: Subject to compliance with requirements, provide EIFS by one of the following:
1.
BASF Wall Systems, Inc., Jacksonville, FL (Formerly Senergy, Inc & Degussa Wall Systems) (800) 2219255. Contact: Steve DonFrancesco (770) 335-5260.
2.
Dryvit Systems, Inc., Warwick, RI, (800) 556-7752. Contact: Bob Dazel, AIA, Marketing manager for
Strategic Accounts (734)276-0404.
3.
Omega Products International, Inc., Los Angeles, CA, (800) 600-6634
4.
Sto Corp., Atlanta, GA. Contact Strategic Accounts (888) 786-3437.
5.
Parex USA, Inc., Anaheim, CA, Contact: Susan Foster, Architectural Sales & National Accounts Manager
(714.319.3186 or 866.516.0061) or Technical Support (800.226.2424).
2.2
PRODUCTS
A.
P
roducts: Drainable, with channeled, gooved, or corrugated insulation board, Class PB EIFS System. Provide one
of the following products:
1.
Senerflex Channeled Insulation Design by Senergy (BASF).
2.
Outsulation Plus MD with gooved insulation board option by Dryvit.
3.
Akroflex WM Water Managed Drainage Board System, Class PB by Omega.
4.
Sto Essense NexT System, with gooved insulation board option by Sto.
5.
Standard Watermaster-GX by Parex.
B.
S
ubstitutions: Comply with the requirements of Section 01600.
2.3
PERFORMANCE REQUIREMENTS
A.
B
ond Integrity: System shall be free from bond failure within EIFS components or between system and supporting
wall construction, resulting from exposure to wind loads, weather, or other in-service conditions.
B.
W
eathertightness: System shall be resistant to water penetration from exterior into water-drainage EIFS and
assemblies behind it or through them into interior of building that results in deterioration of thermal-insulating
effectiveness or other degradation of EIFS and assemblies behind it, including substrates, supporting wall
construction, and interior finish, and including a means that allows water entering into an EIFS assembly to drain
to the exterior.
C.
P
hysical Properties, Structural Performance, and Drainage Provisions: Comply with ICC-ES AC235 and ASTM E
2568.
D.
F
ire-Test-Response Characteristics: Provide EIFS and system components with the following fire-test-response
characteristics as determined by testing identical EIFS and system components per test method indicated below by
UL or another testing and inspecting agency acceptable to Authorities Having Jurisdiction. Identify products with
appropriate markings of applicable testing agency.
1.
Radiant Heat Exposure: No ignition of EIFS per NFPA 268.
2.
Potential Heat: Acceptable level per NFPA 259.
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3.
E.
2.4
Surface-Burning Characteristics: Insulation board, adhesives, base coats, and finish coats with flamespread index of 25 or less and smoke-developed index of 450 or less, per ASTM E 84.
E
valuation Report: The system proposed for use from the specified products shall have a current Evaluation Report
(ICC-ER) by the International Code Council Evaluation Service (ICC-ES) showing compliance with the ICC
Acceptance Criteria specified herein and the International Building Code or the model code within the jurisdiction
of the project and as required by the Authority Having Jurisdiction.
MATERIALS
A.
G
eneral: Provide materials and EIFS components standard with the manufacturer as applicable for the product
systems listed and selected for the project.
B.
C
ompatibility: Provide water-resistive coating, adhesive, fasteners (as applicable), board insulation, reinforcing
meshes, base- and finish-coat systems, sealants, and accessories that are compatible with one another and
compliant with EIFS manufacturer’s printed instructions.
C.
W
ater-Resistive Coatings: EIFS manufacturer's standard formulation and accessories for use as water/weatherresistive barriers, compatible with substrate, and complying with physical and performance criteria of ICCES AC212.
D.
F
lashing: EIFS manufacturer's standard or product recommended by EIFS manufacturer.
E.
I
nsulation Adhesive: EIFS manufacturer's standard formulation. Adhesive VOC shall be not greater than 50 g/L
as set forth in the California’s South Coast Air Quality Management District (SCAQMD) Rule No. 1168.
F.
B
oard Insulation: Molded, rigid cellular polystyrene, complying with ASTM C 578, Type I; expanded polystryene
(EPS) complying with ASTM E 2430; or polyisosyanurate; as required by and in accordance with EIFS
manufacturer's requirements.
1.
Channeled Board Insulation: EIFS manufacturer's standard factory-fabricated profile with linear, vertical
drainage channels, corrugations, slots, or waves on the back side of board. Minimum thickness: 1 1/2 inch.
2.
Provide means of drainage as required with drainage assemblies at base of EIFS .
3.
EIFS Cornice (Foam Shapes): Pre-Manufactured EIFS extrusion Expanded Polystyrene (EPS) as specified
above for insulation and produced by the same manufacturer as the EIFS system installed. Cut and form to
profile as indicated on Drawings.
a.
Adhesive: As recommended by the EIFS manufacturer and compliant with EIFS manufacturer’s
requirements.
G.
R
einforcing Mesh: Balanced, alkali-resistant, open-weave, glass-fiber mesh; complying with ASTM D 578 and the
following:
1.
Standard-Impact Reinforcing Mesh: Not less than 4.0 oz./sq. yd.
2.
Heavy-Duty Reinforcing Mesh: Not less than 20 oz./sq. yd. .
3.
Strip Reinforcing Mesh: Not less than 3.75 oz./sq. yd.
4.
Detail Reinforcing Mesh: Not less than 4.0 oz./sq. yd.
5.
Corner Reinforcing Mesh: Not less than 7.2 oz./sq. yd.
H.
B
ase-Coat Materials: Manufacturer’s standard formulation.
I.
P
rimer: Factory-mixed primer if and as recommended by manufacturer.
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J.
F
inish-Coat Materials: Factory-mixed, standard acrylic-based coating.
1.
Integral Color: Dryvit standard #310 "China White."
2.
Paint Finish: Field applied paint finish as specified in Section 09900. Color as shown on the Drawings and
as defined within Section 09900.
a.
Texture: Equivalent to Dryvit standard "Sandblast".
K.
M
echanical Fasteners (If required by manufacturer): Corrosion-resistant fasteners consisting of thermal cap,
standard washer and shaft attachments, and fastener suitable for substrate.
L.
T
rim Accessories: Manufactured from UV-stabilized PVC and complying with ASTM D 1784 and ASTM C 1063.
M.
J
oint Sealant: Joint sealant shall be as specified in Section 07900 unless otherwise required by the EIFS
manufacturer.
PART 3 - EXECUTION
3.1
EXAMINATION
A.
E
xamine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation
tolerances and other conditions affecting performance of EIFS.
B.
P
roceed with installation only after unsatisfactory conditions have been corrected.
C.
B
egin coating application only after surfaces are dry.
3.2
PREPARATION
A.
P
rotect contiguous work from moisture deterioration and soiling caused by application of EIFS. Provide temporary
covering and other protection needed to prevent spattering of exterior finish coats on other work.
B.
P
rotect EIFS, substrates, and wall construction behind them from inclement weather during installation. Prevent
penetration of moisture behind drainage plane of EIFS and deterioration of substrates.
C.
P
repare and clean substrates to comply with EIFS manufacturer's written instructions to obtain optimum bond
between substrate and adhesive for insulation.
3.3
INSTALLATION
A.
C
omply with EIFS manufacturer's written instructions for installation of EIFS as applicable to type of substrate
indicated.
B.
W
ater-Resistive Coatings: Apply over substrates to protect substrates from degradation and to provide
water/weather-resistive barrier.
C.
F
lexible-Membrane Flashing: Install over weather-resistive barrier, applied and lapped to shed water; seal at
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openings, penetrations, terminations, and where indicated by EIFS manufacturer's written instructions to protect
wall assembly from degradation. Prime substrates, if required, and install flashing to comply with EIFS
manufacturer's written instructions and details.
D.
T
rim: Apply trim accessories at locations indicated on Drawings.
E.
B
oard Insulation: Attach to substrate.
F.
E
xpansion Joints: Install at locations indicated, where required by EIFS manufacturer, where expansion joints or
control joints are indicated in substrates behind EIFS; where EIFS adjoin dissimilar substrates, materials, and
construction; and where wall height changes
1.
Do not exceed manufacturer's maximum recommended area.
2.
Coordinate placement of additional joints with Owner’s Construction Manager.
G.
B
ase Coat: Apply to exposed surfaces of insulation and foam shapes in minimum thickness recommended in
writing by EIFS manufacturer, but not less than 1/16-inch dry-coat thickness.
H.
R
einforcing Mesh:
1.
Place reinforcing mesh over insulation and secure in place with base coating.
2.
Completely embed mesh in wet base coat, applying additional base-coat material if necessary, so
reinforcing-mesh color and pattern are not visible.
3.
Apply heavy weight mesh in conjunction with standard weight mesh in areas below 8 feet above ground
level.
I.
F
inish Coat: Apply over dry base coat, maintaining a wet edge at all times for uniform appearance, in thickness
required by EIFS manufacturer to produce a uniform finish of color and texture matching approved sample and
free of cold joints, shadow lines, and texture variations.
J.
F
orm 3/4 inch rustication joints straight and true to line, as indicated on Drawings.
3.4
JOINTS
A.
3.5
I
nstall sealant at joints within system and where system abuts dissimilar materials. Apply joint sealant using
sealant type, application method, and installation procedures in accordance with manufacturer’s recommendation
and Section 07900 and the EIFS manufacturers evaluation report. Do not seal drainage weep holes or outlets.
REPAIR OF DAMAGED OR NON-CONFORMING WORK
A.
R
epair or correct installed work which is damaged during construction or is otherwise incomplete or not
conforming to specification reqirements. Repair and correction shall be in accordance with manufacturer’s
written and published instructions.
3.6
FIELD QUALITY CONTROL
A.
F
ield quality control shall be the complete responsibility of the Contractor in accordance with Section 01452. Field
quality control testing and inspection shall be at the descretion of the Contractor as necessary to assure
compliance with Contract requirements. Owner T&I specified below shall not preclude Contractor responsibility
to perform similar routine, necessary, and customary testing and inspection of the methods and frequency suitable
for the type of work involved.
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B.
M
anufacturer Services: A representative of the manufacturer shall visit the site prior to installation of EIFS, during
installation, and upon completion of installation of EIFS to become familiar with material and methods being
applied. Site visits shall be coordinated 2 weeks in advance and include observation of substrate, installation, and
verification of proper procedure to the extent observed. Manufacturer’s Rrepresentative shall prepare observation
report stating conformance or deficiencies noted.
3.7
OWNER TESTING AND INSPECTION (T&I)
A.
T
he Owner will perform testing and inspection (T & I) but only as a means to satisfy the Owner of contract
compliance and as assurance to the Owner of Contractor quality control performance.
B.
O
wner T&I specified herein below will be performed by the Owner’s Construction Testing Laboratory (CTL) in
accordance with Section 01458
C.
S
pecial Inspections: CTL shall perform special inspections of water-resistive barrier for EIFS and prepare reports
according to ICC-ES AC 212 and AC235.
1.
Perform one time inspection of water-resistive barrier installation to verify compliance with the Acceptance
Criteria (AC) as specified above.
END OF SECTION
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EXHIBIT A
EIFS Contractor Installation Declaration Form
EIFS Contractor Name:
Completion Date:
THE EXTERIOR INSULATION AND FINISH SYSTEM (EIFS) INSTALLED ON THE STRUCTURE LOCATED AT
THE ADDRESS INDICATED BELOW CONFORMS:
TO
RECOMMENDED INSTALLATION PRACTICES AND
(Insert EIFS Manufacturer Name Here)
FOR_________________________________ AND SECTION(S)
(Insert EIFS System name here)
OF ICC
(Insert Appropriate Section Numbers Here)
EVALUATION REPORT NO. _____________________________
(Insert Applicable Report Number Here)
Address of Structure:
Product Component Names:
Adhesive(s):
Fasteners (Mech.):
Base Coat:
Reinforcing Fabric:
Finish Coat (s):
INSTALLATION
CONFORMS
A.
Substrate Type and Tolerance
B.
EIFS
1. Adhesive and/or Fasteners
2. Insulation
3. Reinforcing Fabric
4. Base Coat
5. Finish
C.
The information entered above is offered in testimony that the EIFS installation conforms with the
EIFS manufacturer's installation methods and procedures, and the EIFS manufacturers ES report.
D.
An installation card shall be received from the Sealant Installer indicating that the sealant installation conforms with
the EIFS evaluation report and sealant manufacturer's installation methods and procedures must accompany this
declaration.
EIFS Contractor Company Name and Address:
_____________________________________
_____________________________________
_____________________________________
Signature of Responsible Officer:
_____________________________________
Typed Name and Title of Officer:
_____________________________________
Telephone Number:_____________________
cc:
Original:
Copies:
Building Department (Must be submitted with sealant installer declaration.)
EIFS Manufacturer
Owner (include in Final Closeout Submittals)
END OF FORM
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EXHIBIT B
EIFS Sealant Contractor Installation Declaration Form
Sealant Installer Name:
Completion Date:
THE SEALANT INSTALLED IN CONJUNCTION WITH AN EXTERIOR INSULATION AND FINISH SYSTEM (EIFS)
INSTALLED ON THE STRUCTURE LOCATED AT THE ADDRESS INDICATED BELOW CONFORMS:
TO
and
(Insert EIFS Manufacturer Name Here)
RECOMMENDED
(Insert Sealant Manufacturer Name Here)
INSTALLATION PRACTICES AND SECTION(S)
OF ICC
(Insert Appropriate Section Numbers Here)
EVALUATION REPORT NO.
.
(Insert Applicable Report Number Here)
Address of Structure:
Product Component Names:
Primer(s):
Sealers:
Bond Breakers:
Sealant Materials:
INSTALLATION
A.
B.
C.
D.
CONFORMS
Designer's requirements, details
and instructions
Sealant Manufacturer's details
and Requirements
Exterior Insulation Manufacturer's
Requirements
The information entered above is offered in testimony that the Sealant installation conforms with the
Sealant manufacturer's installation methods and procedures, and the EIFS manufacturers evaluation report.
Sealant Installer Company Name and Address:
Signature of Responsible Officer:
Typed Name and Title of Officer:
Telephone Number: (
cc:
Original:
Copies:
)
Building Department (Must be submitted with EIFS contractor declaration.)
EIFS Manufacturer
EIFS Contractor
Sealant Manufacturer
Owner (include in Final Closeout Submittals)
END OF FORM
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