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	SECTION 06073
	EXTERIOR FIRE-RETARDANT TREATED WOOD
	** NOTE TO SPECIFIER ** Hoover Treated Wood Products, Inc.; Fire-retardant treated wood for exterior use. This section is based on products manufactured by Hoover Treated Wood Products, Inc., at the following address: 154 Wire Road Thomson, GA 30824 Toll Free Tel: (800) 531-5558 Tel: (706) 595-1264 Technical Service: (800) 832-9663 FAX: (706) 595-8462. Web: www.frtw.com [ Click Here ] for additional information.
	Hoover Treated Wood Products, Inc. has treatment facilities in Thomson, GA; Pine Bluff, AK; Milford, VA; Detroit, MI; Winston, OR and our licensee in Kilfoyle Krafts in Price, UT. "\Exterior Fire-X"\ meets the requirements of The International Building Code (IBC) and the International Residential Code (IRC) for fire retardant wood. "Exterior Fire-X" is a Underwriters Laboratories Inc (UL) classified pressure impregnated fire retardant treatment for lumber and plywood that may be used in exterior, wet or damp, structural and non-structural applications.
	"Exterior Fire-X" is a non-leaching fire retardant treatment for lumber and plywood that can be installed in direct contact with the elements such as decks, balconies, stairways, etc. Exterior Fire-X should not be used where a preservative product is required, and should not be used for direct ground contact.
	This specification section covers the fire retardant treatment and handling and fabrication of treated materials. Grades and species of plywood and lumber to be treated must be specified separately.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Fire-retardant treatment for the following exterior applications:
			1.	Wood framing.
			2.	Decking.
			3.	Wood sheathing.
			4.	Blocking.
			5.	Miscellaneous rough carpentry.
			6.	Wood siding.
			7.	Wood trim and moldings.
			8.	Wood frames for doors, windows, and glazed lights.
			9.	_________.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 06100 - Rough Carpentry.
		B.	Section 06110 - Wood Framing.
		C.	Section 06112 - Wood Framing and Sheathing.
		D.	Section 06114 - Wood Blocking and Curbing.
		E.	Section 06130 - Heavy Timber Construction.
		F.	Section 06150 - Wood Decking.
		G.	Section 06170 - Prefabricated Structural Wood.
		H.	Section 06200 - Finish Carpentry.
		I.	Section 06400 - Architectural Woodwork.
	1.3	REFERENCES
	** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
		A.	ASTM D 2898 - Standard Test Method for Accelerated Weathering of Fire- Retardant-Treated Wood for Fire Testing.
		B.	ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building Materials.
		C.	NFPA 255 - Standard Method of Test of Surface Burning Characteristics of Building Materials
		D.	NFPA 703 - Standard for Fire-Retardant Treated Wood for Building Materials.
		E.	UL 723 - Tests for Surface Burning Characteristics of Building Materials.
		F.	Department of Defense: Mil. Spec. L-19140E Lumber and Plywood, Fire-Retardant Treated.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	Product Data: Manufacturer's data sheets on each product to be used, including:
			1.	Product Specifications.
			2.	Storage and handling requirements and recommendations.
			3.	Installation methods.
		C.	Manufacturer's Certificates: Certify products meet or exceed specified requirements.
	1.5	DELIVERY, STORAGE, AND HANDLING
		A.	Store products under shelter, off the ground with proper ventilation allowing for air circulation and protect from construction traffic, and damage.
	1.6	SEQUENCING
		A.	Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
	** NOTE TO SPECIFIER ** Hoover Treated Wood Products, Inc. has treatment facilities in Thomson, GA; Pine Bluff, AK; Milford, VA; Detroit, MI; Winston, OR and our licensee in Kilfoyle Krafts in Price, UT. Material specified under this specification will be provided from one of these locations.
		A.	Acceptable Manufacturer: Hoover Treated Wood Products, Inc., which is located at: 154 Wire Rd. ; Thomson, GA 30824; Toll Free Tel: 800-TEC-WOOD; Tel: 706-595-5058; Fax: 706-595-1326; Email: request info; Web: www.frtw.com
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
		B.	Substitutions: Not permitted.
		C.	Requests for substitutions will be considered in accordance with provisions of Section 01600.
	2.2	APPLICATIONS/SCOPE
		A.	All lumber and plywood designated to be exterior fire retardant treated shall be pressure impregnated with Exterior Fire-X. Exterior Fire-X is provided in conformance with the following:
			1.	International Building Code - Section 2303.2 , Fire retardant, Exterior Type.
			2.	International Residential Code - Section R802.1.3, Fire retardant, Exterior Type.
			3.	Mil. Spec. L-19140E Lumber and Plywood, Fire-Retardant Treated.
			4.	UL 723 - Tests for Surface Burning Characteristics of Building Materials.
			5.	UL Listing, Treated Lumber (BPVV).
			6.	UL Listing, Treated Plywood (BUGV).
			7.	NFPA 255 - Standard Method of Test of Surface Burning Characteristics of Building Materials.
			8.	NFPA 703 - Standard for Fire-Retardant Treated Wood for Building Materials.
			9.	Mil. Spec. L-19140E Lumber and Plywood, Fire-Retardant Treated.
	** NOTE TO SPECIFIER ** Include the following paragraphs as required for the project. Delete paragraphs not relevant to this project. Contact manufacturer for additional information.
		B.	After consideration of design value adjustments provide lumber of the appropriate grade and species as specified by the design criteria of the intended application
		C.	After consideration of span rating adjustments provide plywood of the appropriate size, grade and species as specified by the design criteria of the intended application.
	2.3	FIRE RETARDANT TREATMENT
		A.	Lumber and Plywood: Pressure impregnated with Exterior Fire-X in accordance with the Follow-Up Procedures of Underwriters Laboratories Inc. Fire-retardant treatment shall contain no halogens, sulfates, chlorides, or ammonium phosphate.
			1.	Species and Grade as specified in:
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
				a.	Section 06100 - Rough Carpentry.
				b.	Section 06110 - Wood Framing.
				c.	Section 06112 - Wood Framing and Sheathing.
				d.	Section 06114 - Wood Blocking and Curbing.
				e.	Section 06130 - Heavy Timber Construction.
				f.	Section 06150 - Wood Decking.
				g.	Section 06170 - Prefabricated Structural Wood.
				h.	Section 06200 - Finish Carpentry.
				i.	Section: _____ - _____________.
	** NOTE TO SPECIFIER ** International Building Code (IBC, IRC) defines the Surface Burning Characteristics of fire retardant treated wood. For wood exposed to the weather, the treatment must maintain the flame spread classification after the standard weathering test. Surface Burning Characteristics: The tested material must maintain a flame spread index of 25 or less and flame spread not more than 10.5 feet (3.2 m) beyond centerline of burners with no evidence of significant progressive combustion when tested in accordance with ASTM E 84 for 30 minutes.
			2.	Surface Burning Characteristics: Flame spread index of 25 or less and flame spread not more than 10.5 feet (3.2 m) beyond centerline of burners with no evidence of significant progressive combustion when tested in accordance with ASTM E 84 for 30 minutes.
			3.	No increase in flame spread after testing per ASTM D 2898 Standard Test Method for Accelerated Weathering of Fire- Retardant-Treated Wood for Fire Testing.
			4.	Moisture Content:
				a.	Kiln dry lumber to 19 percent or less moisture content after treatment.
				b.	Kiln dry plywood to 15 percent or less moisture content after treatment.
			5.	Labeling: Each piece of lumber and plywood shall be labeled with a permanent ink mark.
				a.	Each piece of lumber shall bear the UL Classification Mark certifying specified flame spread rating.
				b.	Each piece of plywood shall be marked on both sides.
				c.	Production and kiln drying after treatment monitored by Timber Products Inspection, Inc., with each piece labeled KDAT.
				d.	The mark shall state there shall be no increase in the listed classification when subjected to the Standard Rain test.
			6.	Roof Applications: Evaluated for high temperature strength for roof applications.
		B.	Provide design value adjustments and span ratings when used for roof applications.
	2.4	FABRICATION
		A.	Milling: Lumber shall be ripped or run to pattern, as required, prior to treatment.
		B.	Surface milling or planning is not allowed after treatment.
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Discard pieces with defects that might impair quality or work.
	3.2	PREPARATION
		A.	Clean surfaces thoroughly prior to installation.
		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
		A.	Lumber:
			1.	Do not rip or mill lumber after fire-retardant treatment; end cuts and joining cuts are permitted.
			2.	Drilling of holes and notching permitted in accordance with American Forest and Paper Association Wood Construction Data #1.
		B.	Plywood: Fire-retardant-treated plywood may be cut in any direction.
	3.4	APPLICATION
		A.	Install in accordance with manufacturer's instructions.
		B.	Comply with additional requirements specified in Section _____.
		C.	Structural Applications: Use strength tables supplied by Hoover Treated Wood Products, Inc.
	** NOTE TO SPECIFIER ** Include the following two paragraphs as required for roof sheathing systems. Delete if not required.
		D.	Provide adequate airflow across at least one surface in wood roof systems to control moisture and reduce temperature.
		E.	Cover roof sheathing with felt or roofing immediately after installation. If wetted during construction, allow to dry before enclosure or covering with roofing material.
		F.	Fasteners: Use the following fastener types:
			1.	Locations exposed to the weather or wet or damp locations: Use hot dip galvanized or stainless steel fasteners for all types of treated wood .
			2.	Other locations: Use corrosion resistant fasteners for all types of treated wood. Acceptable for use with galvanized nails, truss plates, ductwork, plumbing, conduit and copper.
	** NOTE TO SPECIFIER ** Include the following paragraph as required for applied finish systems. Delete if not required. Exterior Fire-X treated wood can be finished or glued. As with untreated wood, finish and adhesive performance is highly dependent on moisture content, species, surface preparation, application method, and finishing system. Prior test applications of applied finishes are recommended.
		G.	Coordinate surface preparation and applied finishes with the requirements of Section 09900.
	3.5	PROTECTION
		A.	Protect installed products until completion of project.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION