Product Specifications

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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

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