Copyright 2016 AIA MasterSpec Premium 10/16

PRODUCT MASTERSPEC LICENSED BY ARCOM TO GEORGIA-PACIFIC GYPSUM LLC.

Copyright 2016 by The American Institute of Architects (AIA)

Exclusively published and distributed by Architectural Computer Services, Inc. (ARCOM) for the AIA

This Product MasterSpec Section is licensed by ARCOM to Georgia-Pacific Gypsum LLC ("Licensee").

This Product MasterSpec Section uses original MasterSpec text.

Revisions made to the original MasterSpec text are made solely by the Licensee and are not endorsed by, or representative of the opinions of, ARCOM or The American Institute of Architects (AIA). Neither AIA nor ARCOM are liable in any way for such revisions or for the use of this Product MasterSpec Section by any end user. A qualified design professional should review and edit the document to suit project requirements.

For more information, contact Georgia-Pacific Gypsum LLC, 133 Peachtree St., Atlanta, GA 30303; Phone: (800) 225-6119; Website: www.gpgypsum.com; Email: .

For information about MasterSpec, contact ARCOM at (800) 424-5080 or visit www.MasterSpec.com.

SECTION 061656 - AIR- AND WATER-RESISTIVE SHEATHING BOARD

TIPS:

To view non-printing Editor's Notes that provide guidance for editing, click on MasterWorks/SingleFile Formatting/Toggle/Editor's Notes.

To read detailed research, technical information about products and materials, and coordination checklists, click on MasterWorks/Supporting Information.

Revise this Section by deleting and inserting text to meet Project-specific requirements.

This Section uses the term "Architect." Change this term to match that used to identify the design professional as defined in the General and Supplementary Conditions.

Verify that Section titles referenced in this Section are correct for this Project's Specifications; Section titles may have changed.

PART 1 - GENERAL

1.1  RELATED DOCUMENTS

Retain or delete this article in all Sections of Project Manual.

  1. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division01 Specification Sections, apply to this Section.

1.2  SUMMARY

  1. Section Includes:
  2. Vapor-permeable, air- and water-resistive wall sheathing.
  3. Site-fluid-applied, vapor-permeable air barrier flashing.
  4. Accessories.
  5. Related Requirements:

Retain subparagraphs below to cross-reference requirements Contractor might expect to find in this Section but are specified elsewhere.

  1. Section042000 "Unit Masonry" for flexible flashing components integrating with transition materials specified in this Section.
  2. Section042613 "Masonry Veneer" for flexible flashing components integrating with transition materials specified in this Section.
  3. Section054000 "Cold-Formed Metal Framing" for structural framing support of panels.
  4. [Section061000 "Rough Carpentry"] [Section061053 "Miscellaneous Rough Carpentry"] for structural framing support of panels.
  5. Section061600 "Sheathing" for wall sheathing requirements for portions of the Work not requiring board product air barriers specified in this Section.
  6. Section072500 "Weather Barriers" for weather barriers, including [building paper] [flexible flashing] [and] [building wraps with air barrier properties].
  7. Division07 roofing Sections for roof assembly air barriers and interface coordination.
  8. Section092900 "Gypsum Board" for wall sheathing requirements for portions of the Work not requiring board product air barriers specified in this Section.

1.3  DEFINITIONS

Retain terms that remain after this Section has been edited for a project.

  1. Air barrier Accessory: A transitional component of the air barrier that provides continuity.
  2. Air barrier Assembly: The collection of ABs and accessories applied to an opaque wall, including joints and junctions to abutting construction, to control air movement through the wall.
  3. Air barrier Material (AB): Air tight barrier made of material that is relatively air impermeable but moisture vapor permeable, with sealed joints and penetrations, and with terminations sealed to adjacent surfaces.
  4. Material Transitions: Areas where the WRB/AB fiberglass-mat gypsum sheathing connects to beams, columns, slabs, parapets, foundation walls, roofing systems, and at the interface of dissimilar materials.
  5. Rough Openings: Openings in the wall to accommodate windows and doors.
  6. Weather-Resistant Barrier (WRB): Water-shedding barrier made of material that is moisture-resistant, and installed to shed water, with sealed joints and penetrations, and with terminations sealed to adjacent surfaces.

1.4  ADMINISTRATIVE REQUIREMENTS

  1. Coordination:
  2. Coordinate installation of board product air barriers with framing installation and subsequent operations that impact finished envelope air barrier work.
  3. Coordinate installation of joint sealants with cleaning of joint sealant substrates and other operations that may impact installation or finished joint sealant work.

Retain "Preinstallation Conference" Paragraph below if Work of this Section is extensive or complex enough to justify a conference.

  1. Preinstallation Conference: Conduct conference at [Project site] <Insert location>.
  2. Review board product air barrier accessory materials installation, including joints between sheathing boards and transitions to abutting construction including air barriers work of other Sections. Review requirements for forming and sealing penetrations of air barrier by other trades.
  3. Review requirements for each type of air barrier product and installation, project and manufacturer's details, mockups, testing and inspection requirements, and coordination and sequencing of air barrier work with work of other Sections.
  4. Review manufacturer's written instructions for meeting Project requirements for substrates specified, including three-dimensional video model demonstrating proper application of components at wall openings.

1.5  ACTION SUBMITTALS

  1. Product Data: For each type of air barrier product assembly and accessory. Indicate assembly component materials and dimensions and include construction and application details.
  2. Include data for framing preparation instructions and recommendations.
  3. Include data for substrate preparation instructions and recommendations.
  4. Include data for air- and water-resistive sheathing board assembly product data.
  5. Include standard drawings illustrating manufacturer's written installation and finishing instructions applicable to Project, including details for joints, counterflashings, penetrations, terminations, and tie-ins to adjacent construction.
  6. Shop Drawings: For locations and extent of WRB/AB system.
  7. Include details of typical conditions, special joint conditions, and intersections with other building envelope systems and materials.
  8. Include counter flashings and details showing bridging of envelope at substrate changes.
  9. Detail sealing penetrations, and flashing around windows and doors.
  10. Sustainable Design Submittals:

"Product Data" Subparagraph below applies to LEED 2009 NC, CI, and CS; LEEDv4; IgCC; ASHRAE189.1; and Green Globes. Coordinate with requirements for paints and coatings.

  1. Product Data: For coatings, indicating VOC content.

"Laboratory Test Reports" Subparagraph below applies to LEED 2009 for Schools, LEEDv4, IgCC, ASHRAE189.1, and Green Globes. Coordinate with requirements for paints and coatings.

  1. Laboratory Test Reports: For coatings, indicating compliance with requirements for low-emitting materials.

Retain three subparagraphs below to be eligible for LEEDv4 credit. See the Evaluations.

"Environmental Product Declaration" Subparagraph below applies to LEEDv4 (all) MRCredit, "Building Product Disclosure and Optimization - Environmental Product Declarations." Verify with manufacturer that EPDs are available for each product.

  1. Environmental Product Declaration: For each product.

"Health Product Declaration" Subparagraph below applies to LEEDv4 (all) MRCredit, "Building Product Disclosure and Optimization - Material Ingredients, Option 1 - Material Ingredient Reporting." Verify with manufacturer that HPDs are available and meet requirements of the HPD Open Standard or approved USGBC program.

  1. Health Product Declaration: For each product.

"Sourcing of Raw Materials" Subparagraph below applies to LEEDv4 (all) MRCredit, "Building Project Disclosure and Optimization - Sourcing of Raw Materials, Option 1 - Raw Material Source and Extraction Reporting." Confirm with manufacturer that corporate sustainability reports are available, have been prepared within the last year or are applicable to the year of production, and are by an organization approved by the USGBC.

  1. Sourcing of Raw Materials: Corporate sustainability report for each manufacturer.

1.6  INFORMATIONAL SUBMITTALS

Coordinate "Qualification Data" Paragraph below with qualification requirements in Section014000 "Quality Requirements" and as may be supplemented in "Quality Assurance" Article.

  1. Qualification Data: For Installer[,testing agency,] and manufacturer.
  2. Manufacturer Product Certificates: Indicate compliance with requirements of specified products under Performance Requirements or indicated on Drawings.

Retain "Fire-Propagation Characteristics Certificate" Paragraph below if air barrier is part of a wall assembly required to comply with NFPA285.

  1. Fire-Propagation Characteristics Certificate: From a qualified testing agency, documentation that air barrier system as a component of a wall assembly has been tested or engineered to pass NFPA285. Include system classification number of testing agency on Shop Drawings.

Retain "Product Certificates" Paragraph below to require submittal of product certificates from manufacturers.

  1. Product Certificates: Indicate compliance with requirements of specified products in "Performance Requirements" Article or as indicated on Drawings.
  2. Product Test Reports: For each air barrier product, and air- and water-resistive sheathing board assembly, for tests performed by a qualified testing agency.
  3. Sample Warranties: For manufacturer’s warranties.

1.7  QUALITY ASSURANCE

  1. Manufacturer Qualifications: A qualified air barrier manufacturer experienced in manufacture of air barrier as one of its principal products.
  2. Installer Qualifications: An experienced entity that employs applicators trained in application of specified products.

Retain "Testing Agency Qualifications" Paragraph below if Contractor selects testing agency or if Contractor is required to provide services of a qualified testing agency in "Field Quality Control" Article.

  1. Testing Agency Qualifications: Qualified independent agency experienced in installing specified waterproofing system, and qualified to perform observation and inspection specified in "Field Quality Control" Article to determine Installer's compliance with the requirements of this Project. Testing agency to be acceptable to Architect and retained by the [Contractor] [Owner].
  2. Mockups: Provide air barrier mockup application within mockups required in other Sections, or if not specified, in an area of not less than 64 sq.ft. (5.9 sq.m) of wall surface where directed by Architect for each type of backup wall construction. Include examples of surface preparation, crack and joint treatment, air barrier application, and flashing, transition and termination conditions. Build mockups to set quality standards for materials and execution.
  3. Include air barrier system tie-in details between walls and roof, and with wall and foundation wall. Include penetrations and openings.

1.8  DELIVERY, STORAGE, AND HANDLING

  1. Deliver materials in original, unopened packaging and store in an enclosed shelter providing protection from damage and exposure to the elements.
  2. Store within temperature limits required by manufacturer.
  3. Store air- and water-resistive sheathing board supported on risers on a flat platform.
  4. Comply with manufacturer's written instructions requirements for safety and handling.
  5. Discard liquid materials that cannot be applied within their stated shelf life.
  6. Store accessory materials in a location with constant ambient temperatures of 40 to 80 degF (4 to 27 degC).

1.9  FIELD CONDITIONS

  1. Cold Weather Conditions:
  2. Site Fluid-Applied, Vapor-Permeable Joint Flashing: Comply with manufacturer's cold weather application written instructions when atmospheric temperatures or substrate surface temperatures are less than 40 degF (4 degC).
  3. Accessories and Sealants: Comply with manufacturer’s cold weather application instructions when atmospheric temperatures or substrate surface temperatures are less than 40 degF (4 degC).
  4. Exposure: Comply with manufacturer’s limitations on exposure of applied product.
  5. Do not apply air barrier joint flashing to sheathing surface that is frozen or has frost.
  6. Protect adjacent substrates from environmental conditions that affect air barrier performance
  7. Coordinate installation of membrane air barrier with completion of roofing, below grade, factory fluid-applied membrane portion to site fluid-applied membrane portion and other work requiring interface with air barrier.
  8. Schedule work for inspection of air barrier applications prior to concealment.
  9. Ensure ABs are cured before covering with other materials.

1.10  WARRANTY

When warranties are required, verify with Owner's counsel that warranties stated in this article are not less than remedies available to Owner under prevailing local laws.

  1. Manufacturer's Warranty for Air Barrier Products: See manufacturer's published limited warranty.
  2. Warranty Period for Air- and Water-Resistive Sheathing Board Assembly: Five years from date of Substantial Completion.

Consult PROSOCO representative for available special project warranty terms and conditions.

  1. Manufacturer's Warranty for Site Fluid-Applied Air Barrier Products: Manufacturer agrees to furnish and install AB to repair or replace those materials installed according to manufacturer's written instructions that exhibit material defects or otherwise fail to perform as a water-resistive barrier and air barrier, as defined in the 2015IBC and the IECC, under normal use within specified warranty period.
  2. Manufacturer will, at its option, replace nonconforming Product or refund the purchase price of quantity of product shown to be nonconforming.
  3. Access for Repair: Provide air barrier system manufacturer with unimpeded pre- and post-occupancy access to Project facility and air barrier system for purposes of testing, leak investigation, and repair, and to reinstall removed cladding materials upon completion of repair.
  4. Warranty Period: Five years from date of Substantial Completion.
  5. Manufacturer warranties specified in this article exclude deterioration or failure of ABs from the following:
  6. Movement of the structure caused by structural settlement or stresses on the air barrier exceeding manufacturer's written instructions for elongation.
  7. Mechanical damage caused by outside agents.

PART 2 - PRODUCTS

Manufacturers and products listed in SpecAgent and MasterWorks Paragraph Builder are neither recommended nor endorsed by the AIA or ARCOM. Before inserting names, verify that manufacturers and products listed there comply with requirements retained or revised in descriptions and are both available and suitable for the intended applications. For definitions of terms and requirements for Contractor's product selection, see Section016000 "Product Requirements."

2.1  MATERIALS

  1. Source Limitations: Obtain fluid-applied flashing materials and air barrier accessories from single source from single manufacturer.

"VOC Content" Paragraph below applies to LEED 2009 NC, CI, and CSCreditIEQ4.2.

LEED 2009 VOC content requirement for "Architectural Sealants" is 250 g/L or less while VOC content of "Coatings" is 50 g/L or less, according to 40CFR59, SubpartD (EPA Metho24).

VOC content requirements are applicable to air barrier flashing material.

  1. VOC Content: [250] [50]g/L or less.

"VOC Content" and "Low-Emitting Materials" paragraphs below applies to LEED 2009 for Schools and LEEDv4.

LEEDv4 EQ Credit "Low-Emitting Materials." Exterior-applied products for Healthcare and Schools. Adhesives, sealants, coatings, roofing, and waterproofing materials applied on-site must meet the VOC limits of California Air Resources Board (CARB) 2007 Suggested Control Measure for SCAQMD Rule1168, effective July 1, 2005. Small containers of adhesives and sealants subject to state or Federal consumer product VOC regulations are exempt.

Projects outside the United States and Canada may use either the jurisdictional VOC content requirements or comply with the European Decopaint Directive (2004/42/EC, to be updated to most current version when available) PhaseII, for water-borne coatings, as analyzed according to ISO11890 Parts1 and 2, instead of CARB and SCAQMD regulatory standards.