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SECTION 09 96 23 [09966]
GRAFFITI RESISTANT COATINGS
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Specifier Notes: This section
covers the application of graffiti resistant coatings to protect above-grade,
vertical brick, block, concrete, stucco, stone and wood surfaces subject to
repeated graffiti attacks by use of Professional® Water Sealant & Anti-Graffitiant. The products specified in this section are
not recommended for horizontal or below-grade applications. Before editing this section, consult
Professional Products of Kansas, Inc. to obtain complete product information on
the graffiti resistant coatings required for this project.
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PART 1 GENERAL
1.01 SECTION INCLUDES
A. This specification covers preparation, materials, services, and equipment required for the application of PROFESSIONAL® Water Sealant & Anti-Graffitiant for projects involving either old or new construction. Any substantial deviations shall be referred to the manufacturer or authorized representative.
1.02 RELATED SECTIONS
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Specifier Notes: Edit the
following list as required for the project.
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A. Section 03-3000 [03300] –
Cast-In-Place Concrete: Concrete walls to receive anti-graffitiant.
B. Section 03-4000 [03400] –
Precast Concrete: Concrete walls to receive anti-graffitiant.
C. Section 04-2100 [04210] –
Clay Unit Masonry Units: Brick walls to receive anti-graffitiant.
D. Section 04-2200 [04220] –
Concrete Masonry Units: Concrete Block walls to receive anti-graffitiant.
E. Section 04-4300 [04400] –
Stone Masonry: Stone walls to receive anti-graffitiant.
F. Section 07-4623 [07462] –
Wood Siding: Wood faced walls to receive anti-graffitiant.
G. Section 09-2400 [09220] –
Portland Cement Plaster: Cement plaster wall finish to receive
anti-graffitiant.
1.03 SUBMITTALS
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Specifier Notes: Provide
reference to appropriate Division 1 section for administrative and procedural
requirements for submittals.
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A. Submit in accordance with
Section 01330 – Submittals.
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Specifier Notes: List relevant data to be submitted by the
contractor
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B. Product Data: Submit
manufacturer’s product data sheet for the specified graffiti resistant coatings
and cleaners. Submit description for protection of surrounding areas and
non-masonry surfaces, surface preparation, application, and final cleaning.
C. Applicator Qualifications:
Submit qualifications of applicator; stating applicator has a minimum of three
(3) years experience using the specified or a similar product. Provide a list
of several most recently completed projects, including project name and
location, names of owner and architect, and description of products used,
substrates, and method of application.
D. Environmental Regulations:
Submit applicable environmental regulations.
E. VOC Certification: Submit certification that graffiti resistant coatings furnished comply with regulations controlling content of volatile organic compounds (VOC).
1.04 QUALITY ASSURANCE
A. Applicator Qualifications:
1. Experience in the
application of the specified or similar products.
2. Employs persons trained for
the application of the specified or similar products.
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Specifier Notes: Describe
requirements for a meeting to coordinate the application of the graffiti resistant
coatings and to sequence related work.
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B. Pre-Application Meeting:
Convene a pre-application meeting [ ] weeks
before the start of application of graffiti resistant coatings. Require
attendance of parties directly affecting work of this section, including the
Contractor, Architect, applicator, and Professional Products of Kansas
representative. Review environmental regulations, test panel procedures,
protection of surrounding areas and non-masonry surfaces, surface preparation,
application, field quality control, final cleaning, and coordination with other
work.
1.05 ENVIRONMENTAL REGULATIONS
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Specifier Notes: Consider applicable federal, state, and local
environmental regulations. Contact manufacturer for additional information.
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A. Comply with applicable
federal, state, and local environmental regulations.
1.06 TEST PANELS
A.
Before full-scale application, apply graffiti resistant coatings to test panels
constructed of substrate materials to be used on actual project to determine
coverage rates, compatibility, effectiveness, and aesthetics.
B.
Apply graffiti resistant coatings to test panels in accordance with
manufacturer’s written instructions. Allow 5 days curing time prior to applying
graffiti paint to test panels. Apply graffiti paint to test panels and allow at
least 24 hours longer for paint to cure. Apply cleaner to test for ease of
removal of graffiti. Repeat cycles of cleanings as directed by Architect. Do
not begin full-scale application until test panels are inspected and approved
by the architect.
1.07 DELIVERY, STORAGE, AND HANDLING
A. Delivery: Deliver materials to the job site in original, tightly sealed, unopened containers, with labels clearly identifying product name and manufacturer. Verify that the product matches that of the original sample applied on the test panel.
B.
Storage and Handling: Store containers upright in a cool, dry place. Keep away
from sparks and open flame. Store and handle materials in accordance with
manufacturer’s written instructions.
1.08 PROJECT CONDITIONS
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Specifier Notes: Establish
environmental limitations or criteria. Such conditions might include air and
surface temperatures, weather, and wind required for proper application. When
appropriate, describe condition of existing structures to receive graffiti
resistant coatings.
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A. Surface Preparation: Contractor or Applicator
shall be responsible for providing a clean, dry substrate free from oil, dirt,
grease, efflorescence, form release agents or any other coating, which may
inhibit penetration and adhesion of graffiti resistant coating. This requirement applies to new construction,
renovation or remedial projects. Substrate must be completely dry prior to
applying product.
B. Environmental Requirements:
1. Temperature: Product may be applied at any temperature providing that there is no frozen moisture present in the substrate. When applied at temperatures below 40 degrees Fahrenheit the product may cure at a slower rate. Optimal temperature range for application is between 40° F (5° C) and 95° F (35° C).
2. Do not apply material if the substrate is wet or
contains frozen moisture. Allow substrate to dry for a minimum of 48 hours
after rain or 72 hours after power washing.
3. Do not apply material during inclement weather or if precipitation is expected within 12 hours.
4.
Do not use spray methods of application under windy conditions.
C. Protection:
1.
Special precautions should be taken to avoid fumes from entering the building
being treated. Ventilation systems and fresh air intakes should be turned off
and covered.
2.
Protect shrubs, metal, glass, vehicles, and other building hardware from
overspray.
2.01 MANUFACTURER
2.02 GRAFFITI RESISTANT
COATINGS
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Specifier Notes: Refer to
Professional Products of
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A. Professional® Water Sealant & Anti-Graffitiant, Super Strength: First coat in the two-coat process. Depending on the porosity of the substrate, it may be used for the second coat as well. Penetrating silicone rubber graffiti resistant coating for use on vertical concrete, brick, sandstone, limestone, wood, stucco, split face block, concrete block, and fluted block. Penetrates without altering the natural appearance of the substrate (In some cases, the substrate may be slightly darkened or enhanced). A slight sheen may result on some surfaces. Inorganic, it is not affected by UV rays, salts, acid rain, etc. Breathable, it allows moisture vapor to escape while preventing liquid penetration. Flexible, it bridges hairline cracks and allows for building movement. Inhibits mold and mildew.
1. Form: Liquid
2. Color: Clear
3. Active Substance: RTV
Silicone Rubber
4. Percent Active Material: 15%
5. Flash Point: 105°
B. Professional® Water Sealant & Anti-Graffitiant, Extra Strength: May be used as the second coat in the two-coat process. Porosity of substrate is the determining factor. Use Extra Strength as the second coat on dense substrates such as: concrete, stone, stucco, and brick.
C. The graffiti resistant coating product listed above is selected as a standard of quality. Application procedure and coverage rates must be in conformance with results of testing samples submitted, recommendation of application rates suggested, approved manufacturers standards and as a minimum, that specified herein.
1. Proposed alternate products must be equal in terms of chemical composition and performance standards. Products must be a penetrating, permanent waterproofing treatment using a silicone rubber base and not contain any paraffin waxes, urethanes or polysiloxanes. Silane and siloxane based products will not be considered due to of their lack of elastomeric properties. Products must be non-sacrificial, allowing for repeated cycles of tagging and cleaning without the requirement of reapplication of the sealant.
PART 3 EXECUTION
3.01 EXAMINATION
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Specifier Notes: State actions
required to determine that conditions are acceptable to receive the specified
graffiti resistant coatings.
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A. Verify the following:
1. The required joint sealants have been installed.
2. New masonry and mortar has
cured a minimum of 28 days.
3. Surface to be treated is
clean, dry, and contains no frozen moisture.
4. Environmental conditions are
appropriate for application.
3.02 PROTECTION
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Specifier Notes: State
requirements for protecting the surrounding areas and all non-masonry surfaces
during the graffiti resistant coating work.
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A.
Protect surrounding areas, glass, landscaping, building occupants, pedestrians,
vehicles, and non-masonry surfaces during the work from contact with graffiti
resistant coatings.
B.
Special precautions should be taken to prohibit fumes from entering the
building being treated. Ventilation systems and fresh air intakes should be
turned off and covered.
3.03 SURFACE PREPARATION
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Specifier Notes: Describe surface
preparation of substrates required before application of graffiti resistant
coatings.
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A. Clean all dirt, oil, grease, mold, mildew,
efflorescence, form release agents, curing compounds, or any other coating or
material from surfaces that interfere with penetration, performance, adhesion,
or aesthetics of graffiti resistant coatings. Rinse thoroughly, to remove
cleaner residues. Allow surfaces to dry completely before application of
graffiti resistant coatings. Extremely dense concrete surfaces should be
prepared using soda, sand, or shot blasting to facilitate penetration.
B. Repair, patch, and fill all cracks, voids,
defects, and damaged areas in surface as approved by the Architect. Allow
repair materials to cure completely before application of graffiti resistant
coatings.
C. Seal all open joints.
D. Allow new masonry and concrete construction and
repointed surfaces to cure for a minimum of 28 days before application of
graffiti resistant coatings.
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Specifier Notes: Refer to Article
1.06 TEST PANELS and to Professional Products of Kansas product data sheets to
determine appropriate procedures for the graffiti resistant coatings and
substrates specified in PART 2 PRODUCTS.
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A. Apply graffiti resistant
coating to substrate in accordance with manufacturer’s written instructions,
environmental regulations, and application procedures determined from the test
panel results and as approved by the Architect.
B. Apply to clean, dry, cured,
and properly prepared surfaces approved by Architect.
C. Apply material as shipped by
the manufacturer. Do not dilute
D. Do not apply to horizontal
surfaces, as it may cause surface to become slippery.
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Specifier Notes: Edit the
following list as required for the project
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E. Do not apply to below-grade
surfaces.
F. Do not apply to painted
surfaces.
G. Do not apply to compensate
for structural or material defects in substrates.
H. Do not apply to substrates
such as asphalt or polystyrene, which may be affected by the solvent carrier.
I.
Apply material using a high-volume, low pressure, pump-up sprayer
(between 40-50 psi), with a fan tip and solvent resistant fittings. Roller, or
brush of natural bristle or foam may be used in areas where spray application
is not appropriate. Do not use Airless spray equipment.
a. Some substrates may require
back rolling after product is applied to smooth out any rundown lines.
b. Brush any excess product
that may accumulate on ledges and other areas that may hold excess material.
2. Second Coat: Allow surface to dry to the touch
before applying a second coat (approx. 2 hours). Repeat application as
described for first coat.
3.05 FIELD QUALITY CONTROL
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Specifier Notes: Define the
inspection during and at completion of graffiti resistant coating work.
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A. Inspection: Inspect the graffiti resistant
coating work with the contractor, Architect, applicator, and Professional
Products of Kansas representative, and compare with test panel results approved
by the Architect. Determine if the substrates are suitably protected by the
graffiti resistant coatings.
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Specifier Notes: Describe
specific requirements if manufacturer is to provide field quality control with
on-site personnel for instruction or supervision of application of graffiti
resistant coatings
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B. Manufacturer’s Field Services:
Provide the services of a manufacturer’s authorized field representative to
verify specified products are used; protection, surface preparation, and
application of graffiti resistant coatings are in accordance with the
manufacturer’s written instructions; and the test panel is approved by the
Architect.
3.06 FINAL CLEANING
A. Upon completion of all
work covered in a specification, the Contractor shall remove all equipment,
material and debris, leaving the area in an undamaged and acceptable condition. Dispose of graffiti resistant coating
containers according to state and local environmental regulations.