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Part 1 - General
1.01 Summary
A. Section Includes: Polystyrene foam trim, adhesive and base coat,
reinforcing mesh and finish coat.
B. Related Sections:
INCLUDE SECTION(S)
BELOW THAT SPECIFY SUBSTRATE MATERIALS AND MATERIALS THAT ARE ADJACENT
TO FOAM TRIM.
1. Section ____________________________.
2. Section ____________________________.
3. Section 07920Joint Sealants
INCLUDE APPROPRIATE
LANGUAGE BELOW IF PRODUCTS SPECIFIED IN THIS SECTION ARE TO BE BID
AS
ALTERNATES. OTHERWISE DELETE FOLLOWING PARAGRAPH.
C. Alternates: 1. Reference Section 01230Alternates.
1.02 Submittals
A. Reference Section 01330Submittal Procedures; submit following
items:
1. Product Data: Adhesive/base coat, foam trim shapes, reinforcing
mesh and finish coat including standard color range available; 30
colors minimum.
2. Shop Drawings: Show complete details, cross sections and dimensions
of foam trim. 3. Samples: a. Typical shaped trim section(s), minimum
12 inches (300 mm) long, finished as specified, showing each color
and texture selected. Prepare sample(s) using same tools, equipment
and techniques intended for project.
4. Quality Assurance/Control Submittals:
a. Qualifications: Adhesive/coating manufacturer and installer qualification
data.
b. Adhesive/coating manufacturer's Installation Instructions.
1.03 Quality Assurance
A. Qualifications:
1. Adhesive/Coating Manufacturer Qualifications: Minimum five years
experience in producing adhesives and coatings of the type specified.
2. Installer Qualifications: Documented experience in installation
of foam trim and lath and plaster systems.
B. Mock-Ups: Install foam trim and coatings on substrate material
mockup as directed by Architect using same tools, equipment and
techniques intended for project. Provide each color and texture
selected for project.
1.04 Delivery, Storage, and Handling
A. Reference Section 01660 Product Storage and Handling Requirements.
B. Follow manufacturers' instructions.
1.05 Project/SITE Conditions
A. Environmental Requirements: Do not apply adhesive or coatings
if ambient temperature is above 110 degrees F (92 degrees C) or
will fall below 40 degrees F (4 degrees C) within 48 hours of application.
Part 2 - Products
2.01 Manufacturer
A. Adhesive and Coatings: Merlex Stucco, Inc. (Merlex) 2911 Orange-Olive
Road Orange, CA 92865 Tel: (714) 637-1700 Fax: (714) 637-4865
INSERT NAME,
ADDRESS AND PHONE NUMBERS OF LOCAL REPRESENTATIVE BELOW.
1. Representative:
2. Substitutions: None permitted.
COMPLETE THE
FOLLOWING IF USING STANDARD FOAM TRIM SHAPES PRODUCED BY A SEPCIFIC
MANUFACTURER, AND VERIFY THAT PRODUCT NUMBERS ARE NOTED ON DRAWINGS.
OTHERWISE DELETE FOLLOWING PARAGRAPH.
B. Polystyrene Foam Trim: _________________ _________________ _________________
----_________________ ________________
1. Substitutions: Reference Section 01630Product Substitution Procedures.
2.02 Materials
A. Polystyrene Foam Trim:
ASTM C 578, Type I, and the following additional properties:
Tensile Strength ASTM D 1623 15 psi (103 KPa) minimum
Shear Modulus ASTM C 273 400 psi (2758 KPa) maximum
Flame Spread: ASTM E 84 25 maximum
Smoked Developed: ASTM E 84 450 maximum
1. Shapes: [Standard shapes as indicated by product number shown
on Drawings] [and] [custom designs as shown on Drawings].
B. Adhesive: Poly Prep.
C. Base Coat: Poly Prep.
D. Reinforcing Mesh: Alkali resistant, open weave, polypropylene
mesh, 2.6 oz/sq yd (88 g/m2) minimum weight.
OR
D. Reinforcing Mesh: Resin coated, open weave, glass fiber mesh
treated for compatibility with base coat material; weight: 4.0 oz/sq
yd (136 g/m2) minimum weight.
E. Finish Coat: Color Coat Stucco.
1. Color: [As shown on Drawings] [As selected from manufacturer's
standard range] [Custom color as selected by Architect].
F. Water: Potable.
2.03 FABRICATION
A. Fabricate custom designed polystyrene trim shapes
using a hot knife or hot wire system.
Part 3 - Execution
3.01 Examination
A. Examine substrates upon which work will be installed
in presence of installer.
1. Verify that surface is structurally sound, clean, free of dust,
dirt, paint products, previously applied water repellents, efflorescence
or other forms of contamination that could impair bond strength.
B. Coordinate with responsible entity to perform corrective
work on unsatisfactory substrates.
C. Commencement of work by installer is acceptance
of substrate.
3.02 Preparation
A. Protect adjacent finished surfaces from contact
with adhesive and coating materials.
3.03 MIXING
A. Mix adhesive and coating materials with water in
accordance with manufacturer's instructions.
3.04 INSTALLATION
A. Polystyrene Foam Trim: Follow adhesive manufacturer's
instructions for adhesive application and installation over specific
substrates.
B. Base Coat and Reinforcing Mesh:
1. Sand smooth, irregularities between pieces of foam trim in excess
of 1/16 inch (2 mm).
2. Follow manufacturer's instructions for 2 coat application to
a total thickness of [3/16 to 1/4 inch (5 to 6 mm)] [ _____ inch
( ____ mm)].
3. Embed reinforcing mesh in base coat troweling from center
to edge. Lap mesh 2-1/2 inches (63 mm).
4. Curing: Consult manufacturer's representative and comply with
recommendations for moist curing during hot, dry or windy weather
conditions.
C. Finish Coat: Follow manufacturer's instructions
for hand or spray application to a total thickness of approximately
1/8 inch (3 mm) minimum and as required to achieve the following
texture:
1. Texture: [Light Lace] [Heavy Lace] [Light Dash] [Medium Dash]
[Heavy Dash] [Knockdown Dash] [Santa Barbara (Semi-Smooth)] [Fine
Sand Float] [Medium Sand Float] [Heavy Sand Float] [ ______________
] [As shown on Drawings].
3.05 Cleaning
A. Clean spills and spatters before materials are
allowed to dry.
B. Remove protective coverings from adjacent surfaces.
C. Keep premises free from accumulation of waste and
debris. Upon completion of work, remove surplus materials, waste
and debris from site.
End of Section
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