SECTION 06071
INTERIOR FIRE RETARDANT TREATED WOOD
FINISHED EXPOSED LUMBER

PART 1 GENERAL


1.1       SECTION INCLUDES


A.         Fire Retardant treatment of lumber and plywood

B.         Fire Retardant treatment of wood trim and moldings

C.         Fire Retardant Treatment of Wainscot and Paneling

D.         Fire Retardant Treatment of Cabinets


1.2       RELATED SECTIONS


A.         Section 06100 – Rough Carpentry

B.         Section 06114 – Wood Blocking and Curbing

C.         Section 06200 – Finish Carpentry

D.         Section 06400 – Architectural Woodwork


1.3       REFERENCES


A.         ASTM E 84 – Standard Test Method for Surface Burning Characteristics of Building Materials

B.         NFPA 255 – Standard Test Method for Surface Burning Characteristic of Building Materials

C.         U.L. 723 – Standard Test Method for Surface Burning Characteristics of Building Materials

D.         NFPA 703 – Standard for Fire Retardant Treated Wood and Fire Retardant Coatings for Building Materials


1.4       SUBMITTALS


A.         Submit under provisions of Section 03100 – Submittal Procedures

§    Product Data: Manufacturers printed product information including:

§    Preparation instructions and recommendations

§    Storage and handling instructions

§    Application methods


1.5       QUALITY ASSURANCE


A.         Manufacturer Qualifications: Manufacturer shall be a firm engaged in the manufacture of the fire retardant treatment type                          required, and whose products have been in satisfactory use in similar service for a minimum of fifteen years.

B.         Applicator Qualifications: Applicator shall be a firm experienced in the installation of fire retardant treatments similar in type                          and scope to that required for this project and is certified by the manufacturer for installation of the product specified.

C.         Fire Retardant: Manufacturing of the fire retardant shall be listed under a quality control inspection program as administrated by                          Underwriters Laboratories Inc. or Underwriters Laboratories of Canada and all containers of the fire retardant shall bear the                          Underwriters Laboratories Classification Mark.

D.         Regulatory Requirements: Provide fire retardant treatment that complies with the following codes and regulatory requirements

 

1.                  ICC Code 2012

2.                  2012 NFPA Life Safety Code

3.                  2012 International Fire Code (IFC)

4.                  2012 International Existing Building Code (IEBC)

5.                  2012 International Building Code (IBC)

6.                  2012 International Residential Code (IRC)


1.6             DELIVERY, STORAGE AND HANDLING


A.         Store fire retardant in original containers between minimum ambient air temperature of 33 F (0.6 C) and a maximum of                          120 F (49 C).

B.         For lumber treated off-site in new construction prevent exposure to precipitation during shipping, storage or installation of fire                          retardant treated lumber. Store materials under cover or shelter, off the ground.


PART 2 PRODUCTS


2.1             MANUFACTURERS


A.         Acceptable Manufacturer: Provide fire retardant treatment by or Certified Applicators of International Fire-Shield, Inc,                          P.O. Box 7305, Auburn, NY 13022; Toll Free Tel: 800-513-5134; Tel: 315-255-1006; E-mail: nyfsinc@nyfs.com Web:                          nyfs@nyfs.com

B.         Substitutions: Not permitted

C.         Requests for substitutions for products bearing the Underwriters Label will be considered in accordance with the provisions of                          Section 01600.

D.         Requests for substitutions for products will be considered providing the product bears the label of an Independent 3rd Party                          Quality Control Laboratory listed and qualified in good standing with ICC IAC (International Accreditation Service) for                          Quality Control of the Manufacturing of Fire Retardants for the requested product, acceptable to the Authority Having                          Jurisdiction.


2.2             MATERIALS


A.         Fire Retardant Treatment

1.         Product: Provide treatment with “1500° Series FRV-WB Class “B” Water based Polyurethane Varnish” as manufactured                                     by International Fire-Shield, Inc.

2.         Product shall be listed as having a Flame Spread of 55 and Smoke Developed rating of 170 when tested in accordance                                     with ASTM E-84 (NFPA 255).


PART 3 EXECUTION

3.1             EXAMINATION FOR FIELD TREATMENT

A.         Do not begin application until substrates have been properly prepared or environmental conditions are outside of the                          Manufacturers absolute limits.

B.          Examine for wet conditions; do not apply product to substrates that are wet or have been wet, unless they can be dried to the                          maximum moisture content as specified by the manufacturer


3.2             PREPARATION


A.         Clean surfaces thoroughly prior to application of fire retardant

B.         Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the                          project conditions.


3.3             FIELD CUTTING TREATED LUMBER


A.         Field cutting of previously treated lumber for required lengths, drilled holes or notching shall have exposed lumber areas                          recoated in the ripping or milling of lumber after treatment must be re-treated by the certified applicator


3.4             PRODUCT APPLICATION


A.         Materials to be treated shall be free of dust, dirt, wax and oil. Any loose peeling or powdery varnish shall be removed from the                          surface prior to treatment. Repair all cracks, holes and other surface irregularities. Allow to dry, sand lightly. Substrates                          containing oil-based stains should be tested for compatible adhesion. All glossy or smooth surfaces should be dulled with                          sandpaper or steel wool. Thoroughly mix product before application. Apply product at a coverage rate of 225 square feet per                          gallon by brush, foam roller, airless or conventional-spray apparatus in one or two coats. Allow at least 30 minutes drying                          before applying second coat. Apply product when air temperature is between 50 F (0.6 C) and 120 F (49 C). The maximum                          moisture of the substrate to be treated prior to application of product shall not exceed 25 percent. In field applications, certified                          applicator shall perform field testing when required by the authority having jurisdiction. Fire retardant treated substrates                          delivered to the field or treated after installation shall be labeled with a permanent ink marking as follows:


a.         Product Manufacturer’s Name or Certified Applicators Name

b.        Date of Treatment

c.         Certificate of Fire Resistance Tracking and Tag Number

d.        Meets NFPA 703 Class “B” Finish


3.5             SURFACE BURNING CHARACTERISTICS


A.         The product shall provide a flame spread index of 75 or less and a smoke-developed index of 200 or less when tested in                          accordance with ASTM E-84 and qualify as a Class “B” finish in accordance with NFPA 703


3.6             CONFORMANCE CERTIFICATION


A.         The manufacturer shall provide written Certification for the substrates treated for meeting the required code of the Authorities                          Having Jurisdiction


END OF SECTION