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SECTION 07240
EXTERIOR INSULATION AND FINISH SYSTEM
NOTE ** This section is based on the Outsulation MD
System(R) manufactured by Dryvit(R) Systems, Inc.,
at the following address:
NOTE ** One Energy Way
NOTE ** P.O. Box 1014
NOTE ** West Warwick, RI 02893
NOTE ** Tel: (800) 556-7752 and (401) 822-4100
NOTE ** Fax: (401) 822-1980
NOTE **
NOTE ** SECTION 07240 - EXTERIOR INSULATION AND FINISH
SYSTEM, Copyright 1998, The Architect's Catalog,
Inc.
NOTE ** Acceptable substrates for the Outsulation MD System
are:
NOTE ** -Unglazed brick
NOTE ** -Cement plaster
NOTE ** -Concrete
NOTE ** -Concrete masonry
NOTE ** -Exterior grade gypsum sheathing, ASTM C 79, with
water-resistant or Type X core
NOTE ** -Silicone-treated gypsum-core sheathing with
inorganic fiberglass mat surface, ASTM C 1177
NOTE ** -Exterior fiber reinforced cement or calcium
silicate boards
PART 1 GENERAL
1.1 SECTION INCLUDES
A. Exterior Insulation and Finish System (EIFS), Class PB,
as defined by EIFS Industry Members Association (EIMA).
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this
project; add others as required.
A. Section 03300 - Cast-In-Place Concrete.
B. Section 04810 - Unit Masonry Assemblies.
C. Section 05400 - Cold-Formed Metal Framing.
D. Section 06100 - Rough Carpentry.
E. Section 06115 - Sheathing.
F. Section 07210 - Building Insulation.
G. Section 07600 - Flashing and Sheet Metal.
H. Section 07900 - Joint Sealers.
1.3 REFERENCES
A. ASTM B 117 - Operating Salt Spray (Fog) Apparatus.
B. ASTM C 1063 - Installation of Lathing and Furring to
Receive Interior and Exterior Portland Cement-Based
Plaster.
C. ASTM D 968 - Abrasion Resistance of Organic Coatings by
Falling Abrasive.
D. ASTM D 1784 - Rigid Poly(Vinyl Chloride) (PVC) Compounds
and Chlorinated Poly(Vinyl Chloride) (CPVC) Compounds.
E. ASTM D 2247 - Testing Water Resistance of Coatings in 100
Percent Relative Humidity.
F. ASTM E 84 - Surface Burning Characteristics of Building
Materials.
G. ASTM E 96 - Water Vapor Transmission of Materials.
H. ASTM E 108 - Fire Tests of Roof Coverings.
I. ASTM E 283 - Determining the Rate of Air Leakage Through
Exterior Windows, Curtain Walls, and Doors Under
Specified Pressure Differences Across the Specimen.
J. ASTM E 330 - Structural Performance of Exterior Windows,
Curtain Walls, and Doors by Uniform Static Air Pressure
Difference.
K. ASTM E 331 - Water Penetration of Exterior Windows,
Curtain Walls, and Doors by Uniform Static Air Pressure
Difference.
L. ASTM G 23 - Operating Light-Exposure Apparatus (Carbon-
Arc Type) With and Without Water for Exposure of
Nonmetallic Materials.
M. BOCA National Building Code Radiant Heat Exposure Test of
Exterior Wall Assemblies.
N. EIMA Standard 101.86.
O. Mil Standard 810B.
P. UBC 26-9.
1.4 SYSTEM DESCRIPTION
A. Design Requirements:
1. Deflection of Substrate System: Not exceeding 1/240
times the span.
2. Substrate Flatness: Within 1/4 inch (6.4 mm) in a 4
foot (1.2 m) radius.
3. Slope of Inclined Surfaces: Not less than 6:12,
length not exceeding 12 inches (305 mm).
4. Zones requiring Impact Resistance Classification
higher than Level 1 (as defined by EIMA Standard
101.86): Detailed and described in Contract
Documents.
B. Performance Requirements:
1. EIFS tested for durability as follows:
a. Abrasion Resistance: ASTM D 968; no deleterious
effects after 132 gallons (500 L).
b. Absorption, Freeze-Thaw: 60 cycles, soak at 68
degrees F (20 degrees C) 4 days, then 14 degrees
F (-10 degrees C) 2 hours, then 68 degrees F (20
degrees C) 2 hours; no checking, cracking, or
splitting.
c. Accelerated Weathering: ASTM G 23 (Federal Test
Standard 141A, Method 6151); 2,000 hours; no
deterioration.
d. Mildew Resistance: Mil Standard 810B; passes.
e. Moisture Resistance: ASTM D 2247 (Federal Test
Standard 141A, Method 6201); 14 days, no
deleterious effects.
f. Salt Spray Resistance: ASTM B 117 (Federal Test
Standard 141A, Method 6061); 5 percent
concentration, 300 hours, no deleterious effects.
g. Air Leakage: ASTM E 283; less than 0.001 CFM/sq.
ft. (0.301 L/min/sq. m), classified as Type III
air barrier by National Research Council of
Canada.
h. Water Penetration: ASTM E 331; no water
penetration to innermost surface of test
specimen.
i. Moisture Drainage Efficiency: Modified ASTM E
331; 95 percent efficiency.
j. Water Vapor Transmission: ASTM E 96, Procedure
B, Standard lamina; 14 grams/hour-sq. ft. (10
g/hr-sq. m).
2. EIFS tested for structural performance as follows:
NOTE ** Include structural performances below required for
project; consult manufacturer's product data for
selection assistance.
a. Tensile Bond Strength, Backstop to Exterior Grade
Gypsum Sheathing: 9.1 psi (67.7 kPa), sheathing
facer failure.
b. Tensile Bond Strength, Backstop to Fiberglass Mat-
Surfaced Gypsum Sheathing: 28.8 psi (198.6 kPa),
sheathing facer failure.
c. Tensile Bond Strength, Primus to Backstop: 12.6
psi (86.9 kPa).
d. Tensile Bond Strength, Genesis to Backstop: 15.1
psi (104 kPa), sheathing facing failure.
e. Full-Scale Structural Tests: ASTM E 330; minimum
failure load under positive or negative load of
90 psf (4.3 kPa) unless otherwise specified;
substrate failure.
NOTE ** Insert required impact range below; consult
manufacturer's product data for selection
assistance.
f. Impact Resistance: EIMA Standard 101.86; ______
inch-pounds (_______ J).
3. EIFS tested for fire performance as follows:
a. Flame Spread/Smoke Developed, EPS Insulation
Board: ASTM E 84; 25/450.
b. Flame Spread/Smoke Developed, Adhesives and
Coatings: ASTM E 84; 20/10.
c. Full Scale Fire Test: ASTM E 108 (Modified);
passed.
d. Intermediate Scale Multi-Story Test (ISMA): UBC
26-9; passed.
e. Ignitability Characteristics: BOCA National
Building Code Radiant Heat Exposure Test of
Exterior Wall Assemblies; passed.
1.5 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's descriptive literature for
each specified product.
C. Quality Assurance Submittals:
1. Certificates: Contractor's certification that:
a. Products of this Section, as provided, meet or
exceed specified requirements.
b. Manufacturers of products of this section meet
specified qualifications.
c. Applicator of products of this section meets
specified qualifications.
2. Manufacturer's instructions:
a. Printed installation instructions for each
specified product.
b. Manufacturer's Safety Data Sheets (M.S.D.S.) for
each specified product.
D. Closeout Submittals: Warranty documents, issued and
executed by manufacturer of EIFS materials.
1.6 QUALITY ASSURANCE
A. Qualifications:
1. Manufacturer of EIFS Materials: Minimum five (5)
years documented experience producing EIFS materials
specified in this section, sponsor of applicator
certification program, sponsor of certification and
quality assurance program for manufacturers of
materials for EIFS installations not produced by EIFS
materials manufacturer, and certified by ISO 9001.
NOTE ** The Trained Contractor Certificate required by the
following subparagraph indicates that certain
employees of the company have been instructed in
the proper application of Dryvit products and have
received copies of Dryvit's Application
Instructions and Specifications. The Trained
Contractor Program is not an apprenticeship or
endorsement. Each trained contractor is an
independent company experienced in the trade and
bears responsibility for its own workmanship.
Dryvit assumes no liability for the workmanship of
a trained contractor.
2. Contractor: Knowledgeable in the proper installation
of EIFS materials specified in this section,
experienced and competent in the installation of
EIFS, and possessing current Trained Contractor
Certificate issued by the EIFS manufacturer.
3. Manufacturer of Insulation Materials: Manufacturer
having insulating board product listed as meeting
EIFS materials manufacturer's insulation board
specification, and as participant in EIFS
manufacturer's third-party certification and quality
assurance program.
4. Panel Fabricator: Experienced and competent in the
fabrication of architectural wall panels.
5. Installer: Experienced and competent in the
installation of architectural wall panels; the Panel
Fabricator, approved by the Panel Fabricator, or
under direct supervision of the Panel Fabricator.
B. Regulatory Requirements:
1. Separate expanded polystyrene from building interior
with 15-minute minimum thermal barrier.
2. Expanded polystyrene use and maximum thickness shall
be in accordance with applicable building codes.
C. Mock-ups:
1. Construct mock-up of size indicated on drawings;
locate on project site as directed by Architect.
2. Prepare substrate and apply finish as specified in
this section.
3. Maintain mock-up at project site until Architect
directs its removal.
1.7 DELIVERY, STORAGE, AND HANDLING
A. Packing, Shipping, Handling and Unloading: Deliver
products to project site in manufacturer's labeled and
sealed packaging.
B. Acceptance at Site: Accept only products in sealed,
unopened manufacturer's packaging with labels intact.
C. Storage and Protection:
1. Store products in manufacturer's unopened packaging
until installation.
2. Maintain dry storage area at minimum 45 degrees F (7
degrees C) for products until removal for
installation.
3. Protect product from weather and direct sunlight.
1.8 PROJECT/SITE CONDITIONS
A. Environmental Requirements:
1. Applying products of this section during periods of
inclement weather is prohibited, except where
surfaces to receive products are protected from
weather during application and until applied products
are cured.
2. Apply products of this section only above minimum
ambient temperature of 45 degrees F (7 degrees C) and
when ambient temperature will remain minimum 45
degrees F (7 degrees C) for following 24 hour period.
NOTE ** Delete the following article if no warranties are
required, or if work is covered under the terms of
a general project warranty specified elsewhere.
You may edit the article to obtain a warranty from
the Contractor only, or to suit other project-
specific criteria. Dryvit assumes no
responsibility for workmanship associated with the
installation or application of materials, and makes
no other warranties, expressed or implied. Full
details are available from Dryvit Systems, Inc.
1.9 WARRANTY
A. Manufacturer's Warranty: Supply EIFS materials
manufacturer's 7-year warranty against defects in
materials only. Manufacturer shall have no liability for
application of materials.
B. The Installer shall separately warrant EIFS against
failure due to workmanship for a period of 5 years from
the date of Substantial Completion.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: Dryvit Systems, Inc.; One
Energy Way, P.O. Box 1014, West Warwick RI 02893; ASD.
Tel: (800) 556-7752 and (401) 822-4100; Fax: (401) 822-
1980.
NOTE ** Delete one of the two paragraphs below; coordinate
with Division 1 requirements.
B. Requests for substitutions will be considered in
accordance with provisions of Section 01600.
C. Substitutions: Not permitted.
NOTE ** Delete paragraph below if substitutions not
permitted.
D. Supply all products specified in this section from a
single manufacturer, or that manufacturer's authorized
distributor.
2.2 MATERIALS
A. Air/Weather Barrier:
1. Dryvit Backstop: 100 percent acrylic, field-mixed.
2. Dryvit Grid Tape: Open-weave fiberglass mesh tape,
pressure sensitive adhesive.
3. Dryvit Flashing Tape: High-density polyethylene
backed tape with rubberized asphalt adhesive.
4. Dryvit Flashing Tape Surface Conditioner: Water-
based surface conditioner and adhesion promoter for
Flashing Tape.
NOTE ** Select correct adhesive/base coat from the
following two paragraphs; consult manufacturer's
product data for selection assistance.
B. Adhesive/Base Coat: Dryvit Genesis(R) fiber-reinforced,
acrylic modified; field-mixed with Portland cement in 1:1
ratio.
C. Adhesive/Base Coat: Dryvit Primus(R) acrylic polymer-
based; field-mixed with Portland cement in 1:1 ratio.
D. OMD Insulation Board: Expanded polystyrene meeting EIFS
manufacturer's specification for insulation board.
1. Thickness: As indicated on drawings, 2 inches (50
mm) minimum.
2. Back Side: 1/4 inch by 1 inch (6 x 25 mm) vertical
grooves at 12 inches (305 mm) on center.
E. OMD Insulation Board Closure Blocks: Expanded
polystyrene meeting EIFS manufacturer's specification for
insulation board.
1. Height: 6 inches (150 mm) minimum.
F. Starter Strip: Expanded polystyrene meeting EIFS
manufacturer's specification for insulation board.
1. Height: 6 inches (150 mm) minimum
2. Configuration: To receive OMD Insulation Board.
G. Vent Assembly: Formed aggregate matrix material encased
in piece of insulation board which provides drainage
capability.
H. Track: ASTM D 1784 and C 1063; "J"-shaped.
I. Vent Track: ASTM D 1784 and C 1063; "J"-shaped with
drainage slot.
NOTE ** Delete mesh types not required in the following
paragraphs; meshes are classified by impact
resistance and specified by weight; consult
manufacturer's product data for selection
assistance.
J. Standard Weight Reinforcing Mesh:
1. Acceptable Product: Dryvit Standard(tm) Mesh.
2. Product Description: Glass-fiber fabric, balanced
and treated for compatibility with other EIFS
materials; weight 4.3 ounces per square yard (146
g/sq m).
K. Medium Weight Reinforcing Mesh:
1. Acceptable Product: Dryvit Standard Plus(tm) Mesh.
2. Product Description: Glass-fiber fabric, balanced
and treated for compatibility with other EIFS
materials; weight 6.0 ounces per square yard (203
g/sq. m).
L. Intermediate Weight Reinforcing Mesh:
1. Acceptable Product: Dryvit Intermediate(R) Mesh.
2. Product Description: Glass-fiber fabric, balanced
and treated for compatibility with other EIFS
materials; weight 12.0 ounces per square yard (407
g/sq. m).
M. Heavy Weight Reinforcing Mesh:
1. Acceptable Product: Dryvit Panzer(R) 15 Mesh.
2. Product Description: Glass-fiber fabric, balanced
and treated for compatibility with other EIFS
materials; weight 15.0 ounces per square yard (509
g/sq. m).
N. Extra Heavy Weight Reinforcing Mesh:
1. Acceptable Product: Dryvit Panzer(R) 20 Mesh.
2. Product Description: Glass-fiber fabric, balanced
and treated for compatibility with other EIFS
materials; weight 20.5 ounces per square yard (695
g/sq. m).
O. Detail(R) Reinforcing Mesh:
1. Acceptable Product: Dryvit Detail Short Roll.
2. Product Description: Glass-fiber fabric, balanced
and treated for compatibility with other EIFS
materials; weight 4.3 ounces per square yard (146
g/sq. m).
P. Corner Reinforcing Mesh:
1. Acceptable Product: Dryvit Corner Mesh.
2. Product Description: Glass-fiber fabric, balanced
and treated for compatibility with other EIFS
materials; weight 7.2 ounces per square yard (244
g/sq. m).
NOTE ** Delete finishes not required in the following
paragraphs; consult manufacturer's product data for
selection assistance.
Q. Finish:
1. Type: Standard DPR (Dirt-Pickup Resistant) Finish.
NOTE ** Insert selected texture in following paragraph;
select from list below:
NOTE ** Dryvit Quarzputz(R); Coarse
NOTE ** Dryvit Sandblast(R); Medium
NOTE ** Dryvit Freestyle(R); Fine
NOTE ** Dryvit Sandpebble(R); Pebble Stucco
NOTE ** Dryvit Sandpebble Fine(tm); Fine Pebble
NOTE **
NOTE ** Consult manufacturer's product data for selection
assistance.
2. Texture: Dryvit ___________________.
NOTE ** Determine method of color selection; retain one of
following three paragraphs. Coordinate selection
method with requirements for Samples in SUBMITTALS
Article of Part 1. If more than one color
required, retain third paragraph below and
coordinate with SCHEDULES Article of Part 3.
3. Color: Selected from full range of manufacturer's
standard colors.
4. Color: _________________.
5. Color: Specified in SCHEDULES Article of this
Section.
R. Finish:
1. Type: Elastomeric DPR (Dirt-Pickup Resistant)
Finish.
NOTE ** Insert selected texture in following paragraph;
select from list below:
NOTE ** Dryvit Weatherlastic(tm) Quarzputz
NOTE ** Dryvit Weatherlastic Sandpebble
NOTE ** Dryvit Weatherlastic Sandpebble Fine
NOTE ** Dryvit Weatherlastic Adobe(tm)
NOTE **
NOTE ** Consult manufacturer's product data for selection
assistance.
2. Texture: Dryvit Weatherlastic ___________________.
NOTE ** Determine method of color selection; retain one of
following three paragraphs. Coordinate selection
method with requirements for Samples in SUBMITTALS
Article of Part 1. If more than one color
required, retain third paragraph below and
coordinate with SCHEDULES Article of Part 3.
3. Color: Selected from full range of manufacturer's
standard colors.
4. Color: _________________.
5. Color: Specified in SCHEDULES Article of this
Section.
S. Finish:
1. Type: Medallion Series PMR(tm) (Proven Mildew
Resistance) Finish.
NOTE ** Insert selected texture in following paragraph;
select from list below:
NOTE ** Dryvit Quarzputz
NOTE ** Dryvit Sandblast
NOTE ** Dryvit Freestyle
NOTE ** Dryvit Sandpebble
NOTE ** Dryvit Sandpebble Fine
NOTE **
NOTE ** Consult manufacturer's product data for selection
assistance.
2. Texture: Dryvit ___________________.
NOTE ** Determine method of color selection; retain one of
following three paragraphs. Coordinate selection
method with requirements for Samples in SUBMITTALS
Article of Part 1. If more than one color
required, retain third paragraph below and
coordinate with SCHEDULES Article of Part 3.
3. Color: Selected from full range of manufacturer's
standard colors.
4. Color: _________________.
5. Color: Specified in SCHEDULES Article of this
Section.
T. Finish:
1. Type: Specialty Finish.
NOTE ** Insert selected texture in following paragraph;
select from list below:
NOTE ** Ameristone(tm) multi-colored quartz aggregate
NOTE ** Stone Mist(R) ceramically-colored quartz aggregate
NOTE **
NOTE ** Consult manufacturer's product data for selection
assistance.
2. Texture: _________________.
NOTE ** Determine method of color selection; retain one of
following three paragraphs. Coordinate selection
method with requirements for Samples in SUBMITTALS
Article of Part 1. If more than one color
required, retain third paragraph below and
coordinate with SCHEDULES Article of Part 3.
3. Color: Selected from full range of manufacturer's
standard colors.
4. Color: _________________.
5. Color: Specified in SCHEDULES Article of this
Section.
U. Finish:
1. Type: Specialty Finish.
NOTE ** Insert selected texture in following paragraph;
select from list below:
NOTE ** Ultra-Tex(R) Polymer Finish
NOTE ** Ultra-Tex(R) Cementitious Finish
NOTE **
NOTE ** Consult manufacturer's product data for selection
assistance. Ultra-Tex Cementitious Finish requires
an annual application of Ultra-Tex Sealer.
2. Texture: ___________________.
NOTE ** Determine method of color selection; retain one of
following three paragraphs. Coordinate selection
method with requirements for Samples in SUBMITTALS
Article of Part 1. If more than one color
required, retain third paragraph below and
coordinate with SCHEDULES Article of Part 3.
3. Color: Selected from full range of manufacturer's
standard colors.
4. Color: _________________.
5. Color: Specified in SCHEDULES Article of this
Section.
NOTE ** Select one or more of the following paragraphs if
required; consult manufacturer's product data for
selection assistance.
6. Coating: Dryvit Demandit(R).
7. Coating: Dryvit Weatherlastic Smooth(tm).
8. Coating: Dryvit Revyvit(R).
9. Primer: Dryvit Color Prime(tm).
10. Primer: Dryvit Prymit(R).
11. Sealer: Dryvit Ultra-Tex Sealer.
12. Sealer: Dryvit SealClear(tm).
NOTE ** Delete one of the following two paragraphs; consult
manufacturer's product data for selection
assistance.
V. Joint Sealer Primer: Dryvit Demandit.
W. Joint Sealer Primer: Dryvit Color Prime.
X. Joint Sealers: Specified in Section 07900.
2.3 MIXES
A. Prepare materials requiring field-mixing for application
in accordance with manufacturer's printed installation
instructions.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verification of Conditions:
1. Substrates to receive EIFS are listed in
manufacturer's printed installation instructions as
acceptable.
NOTE ** Ensure that expansion joints are located and
detailed on drawings; consult manufacturer's
product data for recommended types and spacings.
2. Expansion joints are located and sized as indicated
on drawings.
3. Products indicated to be installed in surfaces to
receive EIFS are installed in correct locations.
B. Installer's Examination:
1. Examine conditions under which construction
activities of this Section are to be performed;
submit written notification if such conditions are
unacceptable.
2. Transmit two copies of Installer's report to
Architect within 24 hours of receipt.
3. Beginning construction activities of this section
before unacceptable conditions have been corrected is
prohibited.
4. Beginning construction activities of this section
indicates Installer's acceptance of conditions.
3.2 PREPARATION
A. Protection: Mask surfaces of adjacent materials to
prevent damage to finishes.
B. Surface Preparation: Prepare surfaces to receive EIFS in
accordance with manufacturer's printed installation
instructions.
3.3 APPLICATION
A. Air/Weather Barriers: Apply in accordance with
manufacturer's printed installation instructions for
project substrate types.
B. Adhesive/Base Coats: Apply types specified in
manufacturer's printed installation instructions for
project substrate types to prepared surfaces.
C. OMD Insulation Board: Apply indicated thicknesses, and
to form indicated profiles; maintain joint spacing
specified in manufacturer's printed installation
instructions.
D. Base Coats: Apply types and number of coats specified in
manufacturer's printed installation instructions
sufficient to fully embed mesh.
E. Reinforcing Mesh: Apply types specified to building
areas indicated on drawings, and as recommended in
manufacturer's printed installation instructions.
F. Finishes: Apply specified finishes and colors in
accordance with manufacturer's printed installation
instructions.
G. Sealer: Apply specified sealers to indicated finishes in
accordance with manufacturer's printed installation
instructions.
H. Joint Sealer Primer: Apply to finish surfaces to receive
joint sealers in accordance with manufacturer's printed
installation instructions.
I. Installation of joint sealers is specified in Section
07900.
J. Installation of flashing and sheet metal is specified in
Section 07600.
3.4 PROTECTION
A. Maintain protection of unsealed edges of EIFS finishes
from weather until installation of flashings and joint
sealers.
B. Protect EIFS finishes from damage by subsequent
construction activities until Substantial Completion.
C. Repair EIFS finishes damaged by subsequent construction
activities in accordance with manufacturer's printed
installation instructions; replace EIFS finish to extent
of nearest adjacent termination each way at areas where
repair to finish is judged unacceptable.
D. Architect will be sole judge of acceptability of repaired
finishes.
NOTE ** Complete the following suggested schedule if more
than one finish or color is required for project;
delete Article if not required.
3.5 SCHEDULES
A. Location: _______________.
1. Texture: ____________.
2. Color: ______________.
B. Location: _______________.
1. Texture: ____________.
2. Color: ______________.
C. Location: _______________.
1. Texture: ____________.
2. Color: ______________.
END OF SECTION