Pressure-Treated Wood Products

SECTION 06071 PRESSURE-TREATED WOOD PRODUCTS

** NOTE TO SPECIFIER ** Viance; preservative and fire-retardant treatments of wood and plywood. . This section is based on pressure treatments for wood developed by Viance, located at the following address: 200 East Woodlawn Rd, Ste 350 Charlotte, NC 28217 Toll Free Tel: (800) 421-8661 Tel: (704) 522-0825 Fax: (704) 527-8232 Web:www.treatedwood.com All of us at Viance appreciate your interest in our products and are here to ensure you find the right solution to suit your treated wood requirements. At Viance, we supply wood treatment technology and preservative formulations to companies that produce a wide range of high quality treated wood products. It's our business to provide advanced solutions to improve wood and make it last! Manufacturers using Viance preservatives and fire-retardant treatments to produce top quality pressure-treated wood are located coast-to-coast throughout the United States and Canada.

PART 1 GENERAL

1.1 SECTION INCLUDES ** NOTE TO SPECIFIER ** Delete items below not required for project.

A. Preservative treatment of lumber and plywood.

B. Fire-retardant treatment of lumber and plywood.

1.2 RELATED SECTIONS ** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.

A. Section 02820 - Wood Fences and Gates.

B. Section 06100 - Rough Carpentry.

C. Section 06150 - Wood Decking.

D. Section 06200 - Finish Carpentry.

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 International (ASTM): 1. ASTM A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware. 2. ASTM A653 / A653M Standard Specification for Steel Sheet, Zinc-Coated

06071-1 (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process. 3. ASTM D3201 Standard Test Method for Hygroscopic Properties of Fire-Retardant Wood and Wood-Base Products. 4. ASTM D5516 Standard Test Method for Evaluating the Flexural Properties of Fire- Retardant Treated Softwood Plywood Exposed to Elevated Temperatures. 5. ASTM D5664 Standard Test Method for Evaluating the Effects of Fire-Retardant Treatments and Elevated Temperatures on Strength Properties of Fire-Retardant Treated Lumber. 6. ASTM D6305 Standard Practice for Calculating Bending Strength Design Adjustment Factors for Fire retardant Treated Plywood Roof Sheathing. 7. ASTM E84 Standard Test Method for Surface Burning Characteristics of Building Materials.

B. American Wood-Protection Association (AWPA): 1. AWPA E12 Standard method of determining the corrosion of metal in contact with wood. 2. AWPA M4 - Standard for the Care of Preservative Treated Wood Products. 3. AWPA P5 - Standard for Waterborne Preservatives. 4. AWPA P17 Fire Retardant Formulations. 5. AWPA P23 Standard for Chromated Copper Arsenate Type C (CCA-C). 6. AWPA P25 - Standard for Inorganic Boron (SBX). 7. AWPA P26 - Standard for Alkaline Copper Quat Type A (ACQ-A). 8. AWPA P27 - Standard for Alkaline Copper Quat Type B (ACQ-B). 9. AWPA P28 Standard for Alkaline Copper Quat Type C (ACQ-C). 10. AWPA P29 Standard for Alkaline Copper Quat Type D (ACQ-D). 11. AWPA P47 - Standard for DCOI/Imidacloprid/Stabilizer, Waterborne (EL2). 12. AWPA P50 Standard for Fire Retardant FR-2 (FR-2). 13. AWPA T1 - Use Category System: Processing and Treatment Standard. 14. AWPA U1 - Use Category System: User Specification for Treated Wood.

C. Permanent Wood Foundation (PWF) Design Specification, ANSI/AF&PA PWF-2007.

D. Permanent Wood Foundations, Design and Construction Guide, Southern Pine Council. Publication #400.

E. National Fire Protection Association (NFPA) 255 Method of Test of Surface Burning Characteristics of Building Materials.

F. ESR 2644, ACQ Preserve Wood Preservative Treatment; International Code Council -Evaluation Service, ICC-ES.

G. ESR 2645 D-Blaze Fire Retardant Treatment; International Code Council -Evaluation Service, ICC-ES.

H. Underwriters Laboratories, Inc. (UL) 723 Tests for Surface Burning Characteristics of Building Materials.

I. Hawaiian Local Building Code Standards.

1.4 SUBMITTALS

A. Submit under provisions of Section 01300.

B. Product Data: Manufacturer's instructions for use, including requirements for storage, cutting, and finishing. ** NOTE TO SPECIFIER ** Delete either of the following two paragraphs if specified treatment is not required.

06071-2 C. Preservative Treatment Certification: Treating plant's certification of compliance with specified standards, process employed, and preservative retention values.

D. Fire-Retardant Treatment Certification: Treating plant's certification of compliance with specified requirements.

1.5 QUALITY ASSURANCE

A. Wood Treatment Plant Qualifications: Wood treatment plant experienced in performing work of this section licensed by Viance, LLC. ** NOTE TO SPECIFIER ** Delete if not required.

B. Source Quality: Obtain treated wood products from a single approved source. ** NOTE TO SPECIFIER ** Delete if preservative treatment is not required.

C. Preservative Treatment: Mark each piece of plywood and lumber to show compliance with specified standards. ** NOTE TO SPECIFIER ** Delete if fire-retardant treatment is not required.

D. Fire-Retardant Treatment: Mark each piece of plywood and lumber to show compliance with specified standards. ** NOTE TO SPECIFIER ** Delete if fire-retardant treatment is not required.

E. Regulatory Requirements: Provide fire retardant treatment which complies with the following regulatory requirements: 1. International Building Code (IBC). 2. International Residential Code (IRC). 3. International Code Council Evaluation Service ICC-ES ESR 2645. 4. City of Los Angeles, California RR24502. 5. City of New York, New York Building Code, MEA 406 and MEA 407. 6. Hawaiian Local Building Code Standards. ** NOTE TO SPECIFIER ** Delete if third party inspections are not required.

F. Independent Third Party Inspection: 1. Provide plant inspections. ** NOTE TO SPECIFIER ** Delete if KDAT is not required for preservative treated lumber or plywood only.

G. Kiln Dry after Treatment (KDAT): Provide kiln dry material as indicated or required. 1. Kiln dry after treatment to 19 percent maximum moisture content for lumber and 18 percent for plywood in accordance with AWPA T1, Section 7 - Drying After Treatment (lumber) and AWPA T1, Section :F: Pressure treated composites (3c) kiln drying after treatment.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Exposure: Prevent wood products against moisture and dimensional changes, in accordance with instructions from treating plant.

1.7 WARRANTY ** NOTE TO SPECIFIER ** Viance does not manufacturer or warrant the SupaTimber and DesignWood SupaTimber CCA wood preservatives. Both products are manufactured by CSI and appear in this specification as part of a marketing agreement only. ** NOTE TO SPECIFIER ** The following paragraph applies to TIMBERSAVER PT preservative treatment. Delete if not required.

06071-3 A. Manufacturer's Warranty: Provide manufacturer's standard 20-year transferable limited warranty for pressure-treated wood. ** NOTE TO SPECIFIER ** The following paragraph applies to TIMBERSAVER 40 preservative treatment. Delete if not required.

B. Manufacturer's Warranty: Provide manufacturer's standard 40-year transferable limited warranty for pressure-treated wood. ** NOTE TO SPECIFIER ** The following paragraph applies to D-BLAZE fire retardant treatment. Delete if not required.

C. Manufacturer's Warranty: Provide manufacturer's standard 50-year limited warranty for pressure-treated FRTW wood. ** NOTE TO SPECIFIER ** The following paragraph applies to ECOLIFE and ACQ . Delete if not required.

D. Manufacturer's Warranty: Provide manufacturer's standard lifetime limited warranty for pressure treated wood.

PART 2 PRODUCTS

2.1 MANUFACTURERS

A. Acceptable Manufacturer: Viance, which is located at: 200 E. Woodlawn Rd. Suite 350 ; Charlotte, NC 28217; Toll Free Tel: 800-421-8661; Tel: 704-522-0825; Fax: 704-527-8232; Email:request info ([email protected]); Web:www.treatedwood.com ** NOTE TO SPECIFIER ** Delete one of the following two paragraphs. Coordinate with Division 1 requirements.

B. Requests for substitutions will be considered in accordance with provisions of Section 01600.

C. Substitutions: Not permitted.

2.2 MATERIALS

A. Dimension Lumber: As specified in Section 06100.

B. Structural Plywood: As specified in Section 06100.

C. Finish Lumber and Plywood: As specified in Section 06200.

D. Fasteners and Metal Hardware In Preservative Treated Wood : For treated wood and where wood is in ground contact, subject to high relative humidity, or exposed to weather, provide corrosion resistant steel fasteners with hot-dip zinc coating per ASTM A153/A153M, provide corrosion resistant hardware per ASTM A653 / A653M Class G-185 in compliance with building code requirements.

E. Fasteners In Fire-Retardant Treated Wood: Use only code approved fasteners as specified in ICC-ES ESR 2645.

2.3 PRESERVATIVE PRESSURE TREATMENT OF WOOD ** NOTE TO SPECIFIER ** Viance offers the following preservative treatments: ** NOTE TO SPECIFIER ** Lumber and plywood treated with TimberSaver PT is designed for use in above ground applications protected from the weather. Delete if not required.

A. Preservative treatment for above ground use continuously protected from liquid water: 1. Treatment: TimberSaver® PT (SBX) in accordance with AWPA U1 and P5 and P25.

06071-4 a. For protection against North American subterranean termites, decay and insects, 0.25 lb/cu ft (4kg/m3) Disodium Octaborate Tetrahydrate (DOT) minimum retention (0.17 lb/cu ft (2.7 kg/m3) as B2O3 equivalent) retention. b. For protection against North America subterranean termites, Formosan termites and insects, use 0.42 lb/cu ft. (6.7 kg /m3) Disodium Octaborate Tetrahydrate (DOT) minimum retention (0.28 lb/cu ft. (4.5 kg/m3) as B2O3 equivalent) in accordance with AWPA U1 or Hawaiian building code standards as appropriate. c. All lumber and Plywood treated with TimberSaver PT shall be protected from exposure to the weather during transit and storage. TimberSaver PT treated products shall be stored out of ground contact and protected against exposure to liquid water. ** NOTE TO SPECIFIER ** Lumber and plywood treated with TimberSaver 40 is designed for use in above ground applications protected from the weather. Delete if not required. 2. Treatment: TimberSaver® 40 (SBX) in accordance with AWPA U1 and P5 and P25. a. For protection against North American subterranean termites, Formosan termites and insects use 0.42 lb/cu ft. (6.7 kg /m3) Disodium Octaborate Tetrahydrate (DOT) minimum retention (0.28 lb/cu ft. (4.5 kg/m3) as B2O3 equivalent) in accordance with AWPA U1 or Hawaiian building code standards as appropriate. b. All lumber and Plywood treated with TimberSaver 40 shall be protected from exposure to the weather during transit and storage. TimberSaver 40 treated products shall be stored out of ground contact and protected against exposure to liquid water. 3. Treat wood in the following locations: a. All framing lumber, studs, sill plates, floor joists, roof rafters, trusses, plywood, b. Interior sheathing, furring strips, flooring, moldings and wood trim. ACQ® (alkaline copper quaternary) preservatives variously branded as ACQ®, Preserve®ACQ or PreservePlus®ACQ are used to pressure treat a wide variety of commercially available timber species including Douglas fir. Minimum preservative retention levels for various applications are provided in the American Wood Protection Association Standards or in the ICC-ES NER 643. Preserved wood products are designed for long term performance in outdoor applications and therefore require building code approved high quality corrosion resistant nails, screws and other fastening systems. In addition building code approved corrosion resistant metal hardware such as joist hangers should also be used. Direct contact of ACQ preserved wood with aluminum or uncoated mild steel is not recommended. ACQ is not approved for use in marine immersion (saltwater) applications, ACQ was awarded a US EPA Presidential Green Chemistry Award in 2002. Ecolife®Weather-Resistant Stabilized Wood provides superior protection from weathering, and makes wood look better, longer. Ecolife is Home Innovation NGBS Green Certified for Resource Efficiency and is eligible to earn points towards the National Green Building Standard™ Refer to our product listing at GreenApprovedProducts.com for more information.

B. Preservative Treatment for Above Ground Use: decking, fencing, handrails, joists and subflooring, roof decks and sheathing. 1. Treatment: ACQ as manufactured for Viance in accordance with AWPA U1 and P5, P26, P27, P28, P29 or ESR 2644 as appropriate. a. Use 0.15 lb/cu ft (2.4 kg/m3) of ACQ® in accordance with U1 or ESR 2644 as appropriate. 2. Treatment: EcoLife II or EL2 as manufactured by Viance. a. Use 0.019 lb/cu ft (0.3 kg/m3) of EcoLife II or EL2 (+ 0.2 lb/cu ft MCS) in accordance with AWPA U1 as appropriate. 3. Treat wood in the following locations: a. In contact with roofing, flashing, or waterproofing. b. In contact with masonry or concrete.

06071-5 c. Within 18 inches (450 mm) of grade. d. Exposed to weather. e. Other locations indicated.

C. Preservative Treatment, Ground and Fresh Water Contact: Fence posts, Landscaping, piers and docks. 1. Treatment: ACQ as manufactured for Viance in accordance with AWPA U1 and ESR 2644. a. Use 0.40 lb/cu ft (6.4 kg/m3) of ACQ® in accordance with U1 or ESR 2644 as appropriate. 2. Use 0.40 lb/cu ft (6.4 kg/m3) retention. 3. If required, kiln dry after treatment to 19 percent maximum moisture content for lumber and 18 percent for plywood. 4. Treat wood in the following locations: a. In contact with ground. b. In contact with fresh water. c. Used as posts, landscaping timbers, retaining walls, piers, or docks.

D. Preservative Treatment for Wood Foundation Systems: Permanent wood foundations, crawl spaces. 1. Pressure-treat softwood lumber, timber, and plywood for wood foundation systems with waterborne preservatives to comply with AWPA U1. 2. Treatment: ACQ as manufactured for Viance in accordance with AWPA U1 or ESR 2644. a. Use 0.60 lb/cu ft (9.6 kg/m3) of ACQ® in accordance with U1 or ESR 2644 as appropriate.

E. Preservative Treatment for Salt Water Splash Zone Exposure: 1. Pressure-treat softwood lumber, timber, and plywood for salt water splash with waterborne preservatives to comply with AWPA U1. 2. Treatment: ACQ as manufactured for Viance in accordance with AWPA U1 or ESR 2644. a. Use 0.60 lb/cu ft (9.6 kg/m3) of ACQ® in accordance with U1 or ESR 2644 as appropriate. ** NOTE TO SPECIFIER ** Chromated Copper Arsenate (CCA) preservatives manufactured by CSI variously branded as Supatimber® CCA are used to pressure treat a wide variety of commercially available timber species including Douglas fir for industrial uses. Minimum preservative retention levels for various applications are provided in the American Wood Protection Association. Preserved wood products are designed for long term performance in outdoor applications and therefore require building code approved high quality corrosion resistant nails, screws and other fastening systems. In addition building code approved corrosion resistant metal hardware such as joist hangers should also be used. Direct contact of CCA preserved wood with aluminum or uncoated mild steel is not recommended. b. SupaTimber®: Clean and odor-free pressure treatment contains waterborne arsenical preservatives; requires some precautions in use and handling. DesignWood® SupaTimber: Prefinished preservative treatment includes redwood color to eliminate the need for applying paints or stains.

2.4 CCA PRESERVATIVE PRESSURE TREATMENT OF WOOD

A. Preservative Treatment of lumber and plywood for Above Ground Use (UC3) in accordance with the U.S. EPA Supplemental label requirements for forest products treated with CCA: 1. Treatment: CCA type C manufactured by CSI in accordance with AWPA U1, P5 and P23. 2. Use 0.25 lb/cu ft (4 kg/m3) of CCA type C in accordance with AWPA U1. 3. When required, kiln dry after treatment to 19 percent maximum moisture content for

06071-6 lumber and 18 percent for plywood recommended in accordance with AWPA T1 Section 7 - Drying After Treatment (lumber) and AWPA T1 Section F Pressure treated composites (3c) kiln drying after treatment. 4. Treat wood for use in the following locations: a. In contact with roofing, flashing, or waterproofing. b. In contact with masonry or concrete. c. Within 18 inches (450 mm) of grade. d. Exposed to weather. e. Other locations indicated.

B. Preservative Treatment of lumber and plywood for Ground and Fresh Water Contact (UC4A) in accordance with the U.S. EPA Supplemental label requirements for forest products treated with CCA: 1. Treatment: CCA type C manufactured by CSI in accordance with AWPA U1, P5 and P23. 2. Use 0.40 lb/cu ft (6.4 kg/m3) of CCA type C retention in accordance with AWPA U1. 3. When required, kiln dry after treatment to 19 percent maximum moisture content for lumber and 18 percent for plywood recommended in accordance with AWPA T1 Section 7 - Drying After Treatment (lumber) and AWPA T1 Section F Pressure treated composites (3c) kiln drying after treatment. 4. Treat wood in the following locations: a. In contact with ground. b. In contact with fresh water. c. Used as posts, landscaping timbers, retaining walls, piers, or docks.

C. Preservative Treatment of lumber and plywood for Wood Foundation Systems UC4B in accordance with the U.S. EPA Supplemental label requirements for forest products treated with CCA: 1. Pressure-treat softwood lumber, timber, and plywood for wood foundation systems with CCA type C manufactured by CSI in accordance with AWPA U1, P5 and P23. a. Use 0.60 lb/cu ft (9.6 kg/m3) retention of CCA type C to comply with AWPA U1

D. Preservative Treatment of lumber and plywood for salt water splash zone uses (UC4B) in accordance with the U.S. EPA Supplemental label requirements for forest products treated with CCA 1. Pressure treat softwood lumber, timber and plywood with CCA type C manufactured by CSI in accordance with AWPA U1, P5 and P23. 2. Use 0.60 lb/cu ft (9.6 kg/m3) retention of CCA type C to comply with AWPA U1

E. Preservative Treatment for Poles (UC4B) in accordance with the U.S. EPA Supplemental label requirements for forest products treated with CCA 1. Pressure treat poles with CCA type C manufactured by CSI in accordance with AWPA U1, P5 and P23.. 2. Use 0.60 lb/cu ft (9.6 kg/m3) retention of CCA type C to comply with AWPA U1

F. Preservative Treatment of wood for fresh water and land round piles (UC4C) in accordance with the U.S. EPA Supplemental label requirements for forest products treated with CCA 1. Pressure treat wood with CCA type C manufactured by CSI in accordance with AWPA U1, P5 and P23. 2. Use 0.80 lb/cu ft (12.8 kg/m3) retention of CCA type C to comply with AWPA U1.

G. Preservative Treatment of wood for salt water immersion (Marine Use) (UC5) in accordance with the U.S. EPA Supplemental label requirements for forest products treated with CCA 1. Pressure treat wood with CCA type C manufactured by CSI in accordance with AWPA U1, P5 and P23. 2. Use retentions of CCA type C appropriate for the marine exposure zone to comply with AWPA U1.

06071-7 ** NOTE TO SPECIFIER ** D-Blaze Fire Retardant Treated (FRT) lumber and plywood is highly effective against the spread of flame and smoke. Its built-in UL FR-S classified properties have a flamespread and smoke rating of 25 or less. D-Blaze FRT materials are independently tested. They qualify with all major building codes and insurance rating bureaus. They are easy to handle and workable with common tools. In most cases, they feature a lower in-place cost than noncombustible classified materials. Lumber and plywood treated with D-Blaze fire retardant can be used in a variety of interior applications where the humidity is not expected to exceed 95% for prolonged periods and where the wood is not directly exposed to weather. D-Blaze fire retardant treated wood is available for interior applications where fire retardant construction materials are specified.

2.5 FIRE RETARDANT PRESSURE TREATMENT OF LUMBER AND PLYWOOD

A. Fire retardant treatment for wood, including roof and floor trusses, roof decks and sheathing; subflooring, beams and purlins, blocking and furring, studs, joists and paneling, architectural millwork and trim, interior non-load bearing partitions and exterior load-bearing walls. 1. Lumber: Comply with AWPA U1 UCFA, Type A or ICC-ES ESR 2645. 2. Plywood: Comply with AWPA U1, UCFA, Type A or ICC-ES ESR 2645. ** NOTE TO SPECIFIER ** D-Blaze(R) fire-retardant treatment can be used in a variety of interior applications where the humidity is not expected to exceed 95 percent for prolonged periods and where the wood is not exposed directly to weather. 3. Surface Burning Characteristics: UL FR-S rating; or flame spread and smoke developed ratings of 25 or less in a test of 30 minutes' duration in accordance with IBC section 2303.2. 4. Treatment: D-Blaze FRT as manufactured by Viance. 5. Kiln dry after treatment to 19 percent maximum moisture content for lumber and 15 percent for plywood. 6. Treat wood used for the following applications: a. Roof and floor trusses. b. Roof decks and sheathing. c. Subflooring. d. Beams and purlins. e. Interior non-load bearing partitions. f. Studs and joists. g. Exterior load-bearing walls protected by weather barrier. h. Millwork and trim.

PART 3 EXECUTION

3.1 INSTALLATION

A. Framing and Sheathing: Comply with installation requirements in Section 06100.

B. Millwork and Trim: Comply with installation requirements in Section 06200.

C. Preservative Treated Wood: 1. Surface treatment of field cuts: All field cuts on members that provide structural support to a permanent structure shall be field treated in accordance with AWPA M4.

D. Wood Foundation System: Install in accordance with the following: 1. Permanent Wood Foundation (PWF) Design Specification, ANSI/AF&PA PWF-2007. 2. Permanent Wood Foundations, Design and Construction Guide, Southern Pine Council. Publication #400.

E. Fire-Retardant Treated Wood: 1. Compliance: Comply with manufacturer's product data, including product technical bulletins, product catalog installation instructions and product carton instructions for

06071-8 installation. 2. End cuts and drilling are permitted. Do not rip or mill lumber after fire-retardant treatment.

END OF SECTION

06071-9