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KEFA
THERMAL
& MOISTURE CONTROL
Condensation Control / Special Coatings
Section
09900
Part
1 GENERAL
1.1
REFERENCES
A.
ASTM
E-84 UL723 (Underwriters Laboratories)
B. TT-C-492 Specifications
C.
MIL-PRF
24596 Fire Protective Coating
D. British Standard 3900 Part G6-Film
E.
IMO
FT PC Part 2 & 5 Low Flame Spread
Rate (Test by DET NORSKE VERITAS)
F.
IMO
ETP Code resolution MSC.61
Non-flaming, Non-gassing Test
G. FDA – 175 – 300
H.
ASTM
E-96 (Water Vapor Transmission)
I. ISO 5659-2 (1994) No Smoke
generation
1.2 SUBMITTALS
A.
Submit under
provisions of section 01300
B. Product
Data: Manufactures data sheets for the
product to be used, including but not limited to:
1. Surface preparation instructions and
Recommendations
2. Installation and application recommendations
3.
Storage,
shipping and handling requirements
and recommendations
B.
Manufacturers
Certificates: Verify that products meet or
exceed specification requirements for substrates and
environments
1.3
QUALITY ASSURANCE
A. Job Standards: Provide
job standard on site for
evaluation of surface preparation and application of
products to be used
1. Finish areas designated by architect or engineer
2.
Do not proceed
with remaining work until workmanship and application is approved by architect, engineer or their designated representative
3.
If necessary,
refinish job standard area as required to provide acceptable work
1.4
DELIVERY, STORAGE AND HANDLING
A. Store products in manufacturer’s unopened, labeled
containers, in temperature controlled environment
(above
45 degrees F) until ready for application
B.
Include container
label with manufacturers name, type of product,
brand name, lot number or batch number, brand code
number (ie. 8125 or B125B); coverage, surface preparation, dry time, cleanup requirements, color and mixing instructions
C. Do not apply below 40 degrees F or above 120 degrees F
1.5
PROJECT CONDITIONS
A.
Maintain
environmental conditions (temperature, humidity and
ventilation
within manufacture’s recommendations
B.
Do
Not apply below 40 degrees F or above 120 degrees F
C. Protect from freezing until product
is dry and cured
PART 2
PRODUCTS
2.1
MANUFACTURER’S
A.
Acceptable
Manufacturer: KEFA which is distributed by
Paint Supply Company, 2528 W. Pembroke
Avenue,
Hampton, Virginia 23661
Phone (757) 247-6651
FAX (757) 247-7158
Contact: Gene Sapp at smpgs@alltel.net or sales@paintsupplyco.com
B. Substitutions: none permitted
C.
Substitution
requests will be considered in accordance with provisions of section 01600
D.
Substitutions:
none permitted
PART 3
EXECUTION
3.1
EXAMINATION
A.
Do not begin
application until substrates have been properly prepared
B.
Wood substrates:
must be dry and clean, free or all oils, grease, silicones or other bond breakers
C.
Concrete:
Must be cured at least 72 hours and free of all contaminants that affect adhesion
D.
Masonry:
cured at least 72 hours
E. Steel, Aluminum, Galvanized Metal, Stainless:
confirm substrate with manufacture to determine if a primer is required before application of the KEFA products
3.2
PREPARATION
A.
Clean all
surfaces thoroughly prior to application
B.
Remove all
surface contamination such as oils, wax, form-release agents, dust, dirt, mold, mildew, etc.
C.
Existing
Painted Surfaces: Remove loose paint that may impede bonding. Use methods that do not
damage substrate
D. Pre-clean surfaces with extreme mold or mildew contamination
that would affect the adhesion of the KEFA products to assure a good bond. Remove in accordance with manufacturer’s
recommendations
E. Prepare surfaces using manufacturer’s recommendations
F.
Protect all
adjacent surfaces and equipment not receiving KEFA from overspray
3.3
INSTALLATION
A.
Install KEFA
in accordance with manufacturer’s recommendations
B.
Apply informally
by Airless spray or brush per manufacturer’s recommendations
C.
Do not apply
additional coats to surfaces that are not completely dry
D.
Apply in
uniform coats, not exceeding 15mils (dry film thickness) per coat
E.
Apply evenly
to gypsum board until the surface is wet, not to exceed 20mils (wet film thickness) per coat
F.
Apply evenly
to wood surfaces as indicated in 3.3 E
G.
On steel
or other none porous surfaces, see manufacturer’s recommendations for primer if necessary and number and thickness per
coat
H. Allow each coat to dry completely before applying
a next coat if necessary
3.4
CLEANING
A.
Clean surfaces
immediately or overspray splatter or excess material
B.
Use fresh
water to clean equipment before product dries
3.5
PROTECTION
A.
Protect installed
product until completion of project
B.
Touch-up,
repair or replace damaged product before substantial completion
3.6
SCHEDULE
A.
Apply the
specified number of coats and thickness of KEFA to the
following surfaces.
Use manufacturer’s recommendations for number of coats and dry film thickness
1.
Interior
surfaces of sheathing, gypsum board ceilings
2. Interior ceilings in kitchens, shower rooms, bathrooms,
toilet rooms, janitor closets
3. Interior surfaces of concrete, such as ceilings, walls,
basement walls, parking deck ceilings, areas subject to condensation and high humidity conditions
4.
Underside
of metal roofs, coated steel, galvanized, fiberglass roofs, corrugated and flat
5. Finished basements as well as any concrete
surfaces prone to high humidity, condensation, and mold and mildew growth
6. To encapsulate asbestos board, Transite
roofs, asbestos insulation cover
