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UniSpec II - Store Planning 032913
SECTION 07240 - EXTERIOR INSULATION AND FINISH SYSTEMS
PART 1 GENERAL
1.1 SUMMARY
A. Section Includes:
1. Field applied exterior insulation and finish system.
2. Resurfacing of existing exterior insulation and finish systems.
a. Cleaning of existing system.
b. Repair of existing system surface defects.
c. Application of new finish coating.
B. Related Sections:
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 10200 – Vents and Louvers: Soffit vents.
1.2 REFERENCES
A. The 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. ASTM International (ASTM):
1. ASTM E84 - Test Method for Surface Burning Characteristics of Building Materials.
2. ASTM D1682 - Test Method for Breaking Load and Elongation of Textile Fabrics.
1.3 SYSTEM DESCRIPTION
A. Exterior Insulation and Finish System (EIFS) shall consist of the following:
1. Thermal insulation board secured to supporting structural system.
2. Reinforcing mesh set into a trowel applied primer/adhesive base coat.
a. Standard reinforcing mesh.
3. Acrylic-based trowel-applied weatherproof and textured finish with integral white coloring and field
applied paint finish.
4. Primers, backer rods, bond breakers, and sealants for all EIFS to EIFS, and EIFS to dissimilar material
joints.
1.4 SUBMITTALS
A. Contract Closeout Submittals:
1. Contractor Installation Declaration Form: Include completed Exhibit A and Exhibit B forms (included at
the end of this section) signed by EIFS Contractor and Sealant Installer, under provisions of Section 01770.
1.5 QUALITY ASSURANCE
A. Applicator: Single firm, approved in writing by system manufacturer, employing trained workers familiar with
current installation methods and materials.
B. Standards: Current model code approval by ICBO, BOCA, and SBCC.
1. Base approval on full scale diversified Fire Testing, end use configuration by independent agencies whose
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classifications and requirements have general acceptance as regulatory.
C. Technical Representative: A manufacturer’s technical representative shall be on site to oversee the repair of
surface defect repairs and resurfacing to verify proper installation of product(s).
1.6 DELIVERY, STORAGE AND HANDLING
A. Deliver materials to site in original unopened packages, clearly marked with manufacturer's name, brand name,
and description of contents. Store materials in accordance with manufacturer's recommendations for storage and
handling.
1.7 PROJECT CONDITIONS
A. Ambient air temperature shall be 40 degrees F or greater and rising at time of installation of coating application
and shall remain at 40 degrees F or greater for at least 24 hours after application.
1. Provide temporary heat as required to meet above requirements.
B. Ambient air temperature shall be as recommended by manufacturers of EIFS and cleaning products during
cleaning of existing system prior to resurfacing.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. 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) 221-
9255. Contact: Steve DonFrancesco (770) 335-5260.
2. Dryvit Systems, Inc., Warwick, RI, (800) 556-7752
3. Parex, Inc., Redan, GA, (800) 537-2739.
4. Sto Industries, Atlanta, GA, (800) 221-2397, Abe Koury.
B. Substitutions: Not permitted.
2.2 MATERIALS
A. Products:
1. Senerflex Classic PB Wall System, by BASF
2. Outsulation, by Dryvit Systems, Inc.
3. Standard System, by Parex, Inc.
4. StoTherm Essence, by Sto Industries.
B. Insulation Board: Insulation board shall be produced by manufacturer approved by EIFS manufacturer meeting
the following requirements.
1. Type: Expanded Polystyrene Insulation Board.
2. Nominal Density: 1.0 pcf.
3. Maximum Flame-Spread and Smoke Development: ASTM E-84, 25 and 450 respectively.
4. Thickness: As indicated on Drawings but not less than 3/4 inch at any point.
C. Reinforcing Mesh: Manufacturer's open weave type glass fiber fabric complying with ASTM D1682 as supplied
by system manufacturer:
1. Standard Weight: Minimum 4.2 ounces per square yard plus or minus 10 percent.
2. Heavy Weight: Minimum 20 ounces per square yard plus or minus 10 percent.
D. Coating System:
1. Base Coat: Acrylic based, modified portland cement (Type I or II) and silica sand to function as base coat
for coating application and mixed with base coat liquid admixture as supplied by system manufacturer.
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2. Skim Coat (For resurfacing of existing EIFS where shown on Drawings):
a. Skim Coat, by BASF Wall Systems, Inc. (Senergy).
b. Freestyle or NCB, by Dryvit Systems, Inc.
c. 302 ABC-N1 Base Coat & Adhesive, by Parex, Inc.
d. RFP, by Sto Industries.
3. Finish Coat: Acrylic based, modified portland cement (Type I or II) and silica sand; compatible with base
coat and mixed with finish coat liquid admixture as supplied by system manufacturer.
a. Integral Color: Match Dryvit standard #310 "China White."
b. Paint Finish: Field applied paint finish as specified in Section 09900. Color as shown on the
drawings and as defined within Section 09900.
c. Texture: Match Dryvit standard "Sandblast". If new Exterior Insulation and Finish System is
installed adjacent to existing Exterior Insulation and Finish System with finish coat texture other
than that specified, consult with the Wal-Mart Construction Manager for finish coat to be installed
at new adjacent Exterior Insulation and Finish System.
E. Water: Potable.
F. Joint Sealant: Joint sealant shall be as specified in Section 07900 unless otherwise required by the EIFS
manufacturer.
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine surfaces and adjacent areas in which Work under this Section is to be performed. Report in writing to
Wal-Mart Construction Manager prevailing conditions that may adversely affect satisfactory execution of Work.
Do not proceed with Work until unsatisfactory conditions have been corrected.
B. Starting Work constitutes acceptance of existing conditions and this Contractor shall then, at his expense, be
responsible for correcting unsatisfactory and defective Work encountered.
3.2 INSTALLATION - GENERAL
A. Follow manufacturer's printed instructions for installation of exterior insulation and finish system.
3.3 INSULATION BOARD INSTALLATION
A. Install rigid insulation board to conform to insulation manufacturer's printed recommendations except as otherwise
specified and modified by system manufacturer.
B. Place insulation starting from level base line. Stagger vertical joints with insulation board interlocked at corners.
Butt joints of insulation tightly. Flush surfaces of adjacent boards at joints.
C. Apply insulation to substrate providing firm butt joints. Tamp entire surface with even pressure to ensure
complete contact with adhesive. Test installation of each board with the use of a 6 foot straight edge.
1. Allow adhesive a minimum of 24 hours to dry.
2. Sand surfaces which are high and out of plane until flush. Do not fill low areas.
D. Form 3/4 inch drip rustication joints straight and true to line, as indicated on Drawings.
3.4 ACCESSORIES
A. Locate expansion joints at locations indicated; do not exceed manufacturer's maximum recommended area.
Coordinate placement of additional joints with Wal-Mart Construction Manager.
3.5 REINFORCING MESH
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A. Place reinforcing mesh over insulation and secure in place with base coating.
B. Apply heavy weight mesh in conjunction with standard weight mesh in areas below 8 feet above ground level.
3.6 FINISH SYSTEM
A. Base Coat:
1. Mix in accordance with manufacturer's instructions and apply to insulation surfaces.
2. Trowel material into reinforcing mesh in tight coat and doubling back. Cover reinforcing mesh 100
percent with base coat.
3. Apply base coat in such a manner as to level surface and fill joints. Apply base coat 1/8 inch to 3/16 inch
thick.
4. Cure base coat as directed by manufacturer.
B. Skim Coat (Resurfacing):
1. Clean existing system in accordance with manufacturer’s instructions.
2. Inspect surface of existing system in presence of manufacturer’s technical representative and make any
required repairs in accordance with manufacturer’s published instructions.
3. Apply skim coating material as recommended by manufacturer at the minimum thickness required to fill in
the existing surface texture and provide a flat, smooth surface ready to accept final textured finish.
a. If existing, maintain rustication joints clear of skim coat.
4. Allow to dry as recommended by manufacturer.
5. Correct any imperfections that may telegraph through the finish coat.
C. Textured Finish:
1. Mix in accordance with manufacturer's printed instructions.
2. Do not apply finish texture until previous coat has cured properly.
3. Trowel finish coat onto surface and float to achieve uniform texture to match approved sample.
4. Apply and level material in one operation.
5. Obtain final texture by trowels or floats as necessary to achieve specified finish.
6. Provide finish coat 1/16 inch to 1/8 inch thick.
3.7 CURING
A. Apply coating materials at 40 degrees F or above. Cure each coat at least 24 hours prior to application of next
coat.
3.8 JOINTING
A. Install sealant at joints within system and where system abuts dissimilar materials. Apply joint sealant type and
method in accordance with Section 07900 unless otherwise required to conform to the sealant manufacturer's
installation methods and procedures and the EIFS manufacturers evaluation report.
END OF SECTION
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EXHIBIT A
EIFS Contractor Name:
(Insert EIFS Contractor Name Here)
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)
SECTION(S) OF [ICBO] [BOCA] [SBCCI] EVALUATION REPORT NO.
(Insert Appropriate Section Numbers Here)(Circle Applicable Code) (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:
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Typed Name and Title of Officer:
Telephone Number: ( ______ )
cc: Original: Building Department (Must be submitted with sealant installer declaration.)
Copies: EIFS Manufacturer
Wal-Mart (include in Final Closeout Submittals)
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EXHIBIT B
Sealant Installer Name:
(Insert Sealant Installer Name Here)
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 RECOMMENDED
(Insert EIFS Manufacturer Name Here) (Insert Sealant Manufacturer Name Here)
INSTALLATION PRACTICES AND SECTION(S) OF [ICBO] [BOCA] [SBCCI]
(Insert Appropriate Section Numbers Here) (Circle Applicable Code)
EVALUATION REPORT NO. .
(Insert Applicable Report Number Here)
Address of Structure: Product Component Names:
Primer(s):
Sealers:
Bond Breakers:
Sealant Materials:
INSTALLATION CONFORMS
A. Designer's requirements, details
and instructions
B. Sealant Manufacturer's details
and Requirements
C. Exterior Insulation Manufacturer's
Requirements
D. 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:
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Typed Name and Title of Officer:
Telephone Number: ( )
cc: Original: Building Department (Must be submitted with EIFS contractor declaration.)
Copies: EIFS Manufacturer
EIFS Contractor
Sealant Manufacturer
Wal-Mart (include in Final Closeout Submittals)