3M Canada Air Barriers Section Master Guide Specification Page 1 April 2012

Transcription

1 Master Guide Specification Page 1 3M CANADA GUIDE NOTE: This master specification section includes 3M CANADA GUIDE NOTES identified as 3M CANADA GUIDE NOTE for information purposes and to assist the specification writer in making appropriate decisions. The 3M CANADA GUIDE NOTE always immediately precedes the text to which it is referring. The section serves as a guideline only and should be edited with deletions and additions to meet specific project requirements. 3M CANADA GUIDE NOTE: This specification section follows the recommendations of the Construction Specifications Canada, Manual of Practice including MasterFormat, SectionFormat, and PageFormat. Optional text is indicated by square brackets [ ]; delete the optional text including the brackets in the final copy of the specification. Delete the 3M CANADA GUIDE NOTES in the final copy of the specification. Trade/brand names with appropriate product model numbers, styles and types are used in 3M CANADA GUIDE NOTES and in the specification text Article or Paragraph titled Acceptable Material. 1 GENERAL 1.01 SUMMARY OF WORK.1 This Section specifies air barriers and accessories RELATED REQUIREMENTS 3M CANADA GUIDE NOTE: Include in this Paragraph only those sections and documents that directly affect the work of this section. If a reader of this section could reasonably expect to find a product or component specified in this section, but it is actually specified elsewhere, then the related section number(s) should be listed in the Paragraph below. Do not include Division 00 Documents or Division 01 Sections since it is assumed that all technical sections are related to all project Division 00 Documents and Division 01 Sections to some degree. Refer to other documents with caution since referencing them may cause them to be considered a legal part of the Contract. Edit the following paragraphs to suit specific project conditions..1 Section [ ]. 3M CANADA GUIDE NOTE: In the following Article, include only those reference standards which appear in the finished version of the project specification REFERENCE STANDARDS.1 American Association of Textile Chemists and Colorists (AATCC).1 AATCC 127 [2008], Water Resistance: Hydrostatic Pressure Test..2 ASTM International (ASTM)..1 ASTM D412 - [2006ae2], Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers-Tension.2 ASTM D3330/D3330M - [2004(2010)], Standard Test Method for Peel Adhesion of Pressure- Sensitive Tape..3 ASTM D3652/D3652M - [2001(2006)], Standard Test Method for Thickness of Pressure- Sensitive Tapes..4 ASTM E84 - [2012], Standard Test Method for Surface Burning Characteristics of Building Materials..5 ASTM E96/96M-[2010], Standard Test Methods for Water Vapor Transmission of Materials..6 ASTM E [2011], Standard Test Method for Air Permeance of Building Materials..7 ASTM E [2011], Standard Test Method for Determining Air Leakage of Air Barrier Assemblies..4 Canada Green Building Council (CaGBC). 1. LEED Canada-NC Version 1.0-[2004], LEED (Leadership in Energy and Environmental Design): Green Building Rating System Reference Package For New Construction and Major Renovations..5 International Code Council (ICC)..1 ICC AC 38-[2011], Acceptance Criteria For Water-Resistive Barriers.

2 Master Guide Specification Page ADMINISTRATIVE REQUIREMENTS.1 Co-ordination: Co-ordinate work of this Section with work of other trades for proper time and sequence to avoid construction delays. 3M CANADA GUIDE NOTE: The pre-installation meeting may be deleted if the size and complexity of the project does not require prior co-ordination and review of the barrier system installation..2 Pre-installation Meeting: Convene pre-installation meeting after Award of Contract and [one week] before starting work of this Section to verify project requirements, substrate conditions and coordination with other building sub-trades, and to review manufacturer s written installation instructions..1 Comply with Section Project Meetings and co-ordinate with other similar pre-installation meetings..2 Notify attendees 2 weeks prior to meeting and ensure meeting attendees include as minimum:.1 Owner;.2 Consultant;.3 Air barrier installer;.4 Manufacturer s Technical Representative..3 Ensure meeting agenda includes review of methods and procedures related to air barrier installation including co-ordination with related work..4 Record meeting proceedings including corrective measures and other actions required to ensure successful completion of work and distribute to each attendee within 1 week of meeting. 3M CANADA GUIDE NOTE: Article below includes submittal of relevant data to be furnished by Contractor ACTION AND INFORMATIONAL SUBMITTALS.1 Make submittals in accordance with Contract Conditions and Section Submittal Procedures..2 Product Data: Submit product data including manufacturer s literature for air barrier materials and accessories, indicating compliance with specified requirements and material characteristics..1 Submit list on air barrier manufacturer s letterhead of materials and accessories to be incorporated into Work..2 MSDS report..3 Include product name..4 Include preparation instructions and recommendations, installation methods, and storage and handling requirements..5 Include contact information for manufacturer and their representative for this Project..3 Samples:.1 Submit [100 x 100] mm minimum sample of air barrier..2 Submit [300] mm long minimum sample of flashing tape..4 Test Reports:.1 Submit evaluation service reports or other independent testing agency reports showing compliance with specified performance characteristics and physical properties..5 Field Reports: Submit manufacturer s field reports within 3 days of each manufacturer representative s site visit and inspection..6 Sustainable Design (LEED)..1 LEED Submittals: In accordance with Section [ LEED Requirements].7 Installer Qualifications:.1 Submit letter verifying installer s experience with work similar to work of this Section CLOSEOUT SUBMITTALS

3 Master Guide Specification Page 3.1 Operation and Maintenance Data: Supply maintenance data for air barrier materials for incorporation into manual specified in Section Closeout Submittals. 3M CANADA GUIDE NOTE: If LEED is not a part of the project delete the following Paragraph in its entirety as well as the reference standards in Sustainable Design Closeout Documentation (LEED)..1 Provide calculations on end-of-project recycling rates, salvage rates, and landfill rates for work of this Section demonstrating percentage of construction wastes which were recycled..2 Submit verification from recycling facility showing receipt of materials..3 Record Documentation: In accordance with Section Closeout Submittals..1 List materials used in air barrier work..2 Warranty: Submit warranty documents specified QUALITY ASSURANCE.1 Installer Quality Assurance: Work experience of [5] years minimum with work similar to work of this Section. 3M CANADA GUIDE NOTE: If LEED is not a part of the project delete the following Paragraph in its entirety as well as the reference standards in Articles 1.03 and Sustainability Standards Certification (LEED)..1 LEED Canada submittals: In accordance with Section LEED Requirements. 3M CANADA GUIDE NOTE: The mock-up may be deleted if the size and complexity of the project does not require it. A mock-up is recommended when an air barrier function is required to allow coordination with the work of other trades and installation materials/sequence between different substrates or different air barrier systems. Use the following paragraph only if air barrier extends more than 3,000 square metres, and is of a repetitive or critical nature..3 Mock-up: Construct full size 3 m x 3 m mock-up showing air barrier using proposed procedures, materials and quality of work where directed by Consultant [and in accordance with Section Quality Assurance]..1 Include examples of joints, inside corners and outside corners..2 Purpose: To judge quality of work and material installation..3 Allow Consultant [24] hours minimum prior to inspection of mock-up..4 Do not proceed with work prior to receipt of written acceptance of mock-up by Consultant..5 When accepted, mock-up will demonstrate minimum standard of quality required for Work of this Section. 6. Approved mock-up will [not] remain part of finished work. 3M CANADA GUIDE NOTE: Use the following paragraph only when mock-up will not be included as part of the Work..7 Remove mock-up only after receipt of written approval to remove mock-up from Consultant. 3M CANADA GUIDE NOTE: The following Article although not part of Quality Assurance, can be used to enhance the quality of materials by ensuring that they are delivered and handled properly at the work site DELIVERY STORAGE AND HANDLING.1 Delivery and Acceptance Requirements:.1 Deliver material in accordance with Section Common Product Requirements..2 Deliver materials and accessories in air barrier manufacturer s original packaging with identification labels intact and in roll diameter and width to suit project..2 Storage and Handling Requirements: Store materials off ground and protected from exposure to harmful weather conditions and at temperature conditions recommended by manufacturer..1 Ensure air barrier materials are protected from sunlight and UV radiation..2 Store in original packaging until installed.

4 Master Guide Specification Page 4.3 Long Term Storage: Store air barrier materials between 16 ºC and 27 ºC, and at relative humidity between 40 and 60 %..4 Packaging Waste Management: 3M CANADA GUIDE NOTE: For smaller projects that do not have a separate Section for waste management and disposal, delete the following paragraph..1 Separate and recycle waste packaging materials in accordance with Section Construction Waste Management and Disposal..2 Remove waste packaging materials from site and dispose of packaging materials at appropriate recycling facilities. 3M CANADA GUIDE NOTE: For smaller projects that do not have a Waste Management Plan, delete the option referring to a Waste Management Plan SITE CONDITIONS 3. Collect and separate for disposal paper and plastic material in appropriate on-site storage containers for recycling [in accordance with Waste Management Plan]..1 Apply air barrier only when substrate conditions are between minus 18 ºC and plus 65ºC..2 Service Temperature Range: Minus 40 ºC to plus 80 ºC..3 Cover air barrier within 6 months of installation WARRANTY.1 Project Warranty: Refer to Contract Conditions for project warranty provisions..2 Manufacturer s warranty: Submit, for Owner s acceptance, manufacturer s standard warranty document executed by authorized company official. Manufacturer s warranty is in addition to and not intended to limit other rights Owner may have under Contract Conditions. 3M CANADA GUIDE NOTE: Co-ordinate article below with manufacturer s warranty requirements..3 Warranty period: [1] years commencing on Date of Substantial Performance of Work. 2 PRODUCTS 2.01 MANUFACTURER 1. Manufacturer: 3M Canada Company, 1840 Oxford St E. London, ON N5V 3R6, Phone: , URL: DESCRIPTION.1 Self adhered tan coloured air barrier film with acrylic adhesive and silicone coated release liner PERFORMANCE CRITERIA.1 Air Penetration at 75 Pa: To ASTM D3652, [ ] L/s m 2..2 Water Vapour Transmission: To ASTM E2178, Method B, [8] ng/pa s m 2..3 Water Penetration Resistance: To AATCC 127, deviated, No leakage.

5 Master Guide Specification Page 5.4 Elongation: To ASTM D412 [700] %..5 Tensile Strength: To ASTM D412 [12] MPa..6 Lap Adhesion: To ASTM D3330 [0.44] N/mm width..7 Surface Burning Characteristics:.1 Flame Spread: 15 ASTM E84, Class A..2 Smoke Developed: 45 ASTM E84, Class A..3 Rating: A to ICC AC MATERIALS.1 Air Barrier: proprietary film with acrylic adhesive membrane and silicone coated release liner..1 Thickness (Backing and Adhesive): [0.25] mm minimum to ASTM D Weight: [464] g/m 2..2 Packaging:.1 Roll Diameter: 146 mm.2 Roll Length: m..3 Roll Width: [60] [102] [152] [305] [457] [610] [914] [1219] mm..4 Top Surface (Outside Roll Surface): Polycoated Kraft release liner..5 Bottom Surface ( Inside Roll Surface): Membrane..2 Acceptable Material:. 3M Self-Adhered Air and Vapor Barrier Membrane ACCESSORIES.1 Polyurethane sealant..1 Acceptable material: 3M Polyurethane Sealant Substrate Crack Filler: Closed cell foam backer rod..2 Flashing tape..1 Acceptable material: 3M All Weather Flashing Tape Substrate Primer. 3M CANADA GUIDE NOTE: Specify 3M Hi-Strength 90 for typical projects. Specify 3M Hi-Strength 94 ET Spray Adhesive for projects that must meet more stringent environmental regulations. Specify 3M Scotch-Weld Holdfast 70 when particularly large volumes are required. Specify 3M Fastbond Contact Adhesive 30NF if a waterbased adhesive is required..1 Acceptable material: [3M Hi-Strength 90] [3M Hi-Strength 94 ET Spray Adhesive] [3M Scotch-Weld Holdfast 70] [3M Fastbond Contact Adhesive 30NF] SOURCE QUALITY CONTROL.1 Ensure air barrier components and accessories are supplied or approved in writing by single manufacturer PRODUCT SUBSTITUTIONS.1 Substitutions: [In accordance with Section Product Substitution Procedures] [No substitutions permitted]. 3 EXECUTION 3.01 INSTALLERS

6 Master Guide Specification Page 6.1 Use only installers with [5] years minimum experience with work similar to work of this Section EXAMINATION.1 Verification of Conditions: Verify that conditions of substrate previously installed under other Sections or Contracts are acceptable for air barrier installation in accordance with manufacturer s written recommendations..1 Visually inspect substrate in presence of Consultant..2 Ensure surfaces are free of snow, ice, frost, grease and other deleterious materials. 3M CANADA GUIDE NOTE: Edit the next five paragraphs to ensure that only those substrates applicable to the project are included. Contact 3M for further recommendations and for recommendations for other substrates..2 Ensure exterior gypsum sheathing is clean and dry with moisture content less than 19 %..1 Fill joints and cracks greater than 6 mm but less than 12 mm using sealant in accordance with air barrier manufacturer s written recommendations..2 Fill joints and cracks greater than 12 mm using closed cell foam backer rod and sealant in accordance with air barrier manufacturer s written recommendations..3 Ensure plywood substrate is clean and dry with moisture content less than 16 %..1 Fill joints and cracks greater than 6 mm but less than 12 mm using sealant in accordance with air barrier manufacturer s written recommendations..2 Fill joints and cracks greater than 12 mm using closed cell foam backer rod and sealant in accordance with air barrier manufacturer s written recommendations..4 Ensure concrete has cured 28 days minimum and surfaces are clean and dry with fins ground flush and void areas filled..5 Ensure masonry substrates are clean and dry with mortar joints struck flush..6 Ensure metal surfaces are clean and dry..7 Ensure substrate surfaces are free from grease, oil, unbounded paint, corrosion or other substances that would adversely affect adhesion of air barrier to substrate..7 Inform Consultant of unacceptable conditions immediately upon discovery..8 Proceed with installation only after unacceptable conditions have been remedied and after receipt of written approval to proceed from Consultant..2 Connection to Other Barrier Systems: Ensure surface is clean and smooth and free of air pockets or voids as required to achieve adhesive bond..1 Test adhesion by installing 150 x 150 mm test match of air barrier over other barrier system in accordance with air barrier manufacturer s written recommendations..1 Removal of test patch should not be possible without permanent damage to either test patch or other barrier system..2 If test fails, contact air barrier manufacturer immediately for further recommendations..3 Start of air barrier installation indicates installer s acceptance of substrate installation conditions PREPARATION.1 Ensure surfaces are clean, free from dirt and debris and have not absorbed water before starting installation..2 Test adhesion between air barrier and substrate before starting installation..3 Prime surfaces of difficult to stick to substrates using substrate primer in accordance with air barrier manufacturer s written recommendations..4 Fill cracks and gaps greater than 6 mm between substrate and penetrations using sealant in accordance with air barrier manufacturer s written recommendations INSTALLATION 3M CANADA GUIDE NOTE: Refer to the air barrier manufacturer s current installation guide for detailed information regarding

7 Master Guide Specification Page 7 installation..1 Install air barrier in accordance with sheet manufacturer s written recommendations..2 Install only when substrate temperature is above minus 18 ºC. 3M CANADA GUIDE NOTE: Buildings are designed to accommodate thermal and seismic movement. 3M Self-Adhered Air and Vapor Barrier Membrane 3015 must be installed to allow this movement throughout the life of the structure..3 Thermal and Seismic Movement:.1 Limit coverage area of air barrier to single storey and shingle subsequent layers over top leading edge of air barrier to accommodate thermal and seismic movement..4 General Air barrier Installation:.1 Pre-cut air barrier into individual manageable lengths for installation by pulling air barrier off main roll to desired length..1 Cut air barrier square to factory edges..2 Minimum dimension in each direction: 100 mm..3 Wind cut lengths into a separate roll for ease of handling and installation..2 Fold starting edge back over itself to crease paper release liner..3 Peel back liner to expose 50 to 75 mm strip of adhesive side of air barrier..4 Apply air barrier to substrate as soon as adhesive side of air barrier is exposed..1 Ensure accurate initial alignment and positioning since repositioning after initial contact is difficult..2 After initial adhesive strip of air barrier is aligned and positioned, set air barrier by rolling material back against exposed adhesive..5 Start at lowest point and work to top, running length of sheets horizontally and overlapping upper sheets in shingle fashion.1 Ensure sides and ends of sheets have [50] mm minimum overlap..2 Ensure inside and outside corners have 150 mm minimum overlap..6 Install sheets without gaps, wrinkles, creases or tears..7 Stagger vertical seams from floor to floor or separate floors using horizontal strip of air barrier..8 Unwind roll while simultaneously pulling release liner..1 Maintain pressure against substrate to ensure adhesion..2 Wipe air barrier down from middle to outer edges using feathering motion to ensure smooth surface..9 Align and overlap layers..10 Flash and seal top edges, around openings and penetrations, and other locations in accordance with air barrier manufacturer s written recommendations..11 Roll air barrier with rubber roller to ensure tight seal to substrate..1 Give extra attention to overlaps, joints and exposed edges of air barrier sheet PENETRATIONS 3M CANADA GUIDE NOTE: Air barrier can be applied around penetrations either before or after the main air barrier sheets have been installed. However it is recommended the air barrier be installed around penetrations and openings before the main sheets are installed for extra protection from the elements..1 Penetrations - General: Install air barrier around penetrations before application of main air barrier sheets..1 Ensure weathertight seals at joints..2 Window and Door Openings:.1 Cut air barrier detail strips from main roll to lengths suitable for opening size..1 Remove first mm of release liner and align and position air barrier detail strips to each sill corner..2 Ensure detail strips extend to full depth of sill and 50 mm minimum to jamb, sill and face of opening..3 Overlap joints 50 mm minimum.

8 Master Guide Specification Page 8.2 Sill Wrap: Apply appropriately sized piece of air barrier to bottom of opening, folding into opening to form sill and dams..1 Ensure joints are overlapped 100 mm minimum to exterior face..3 Jamb Wrap: Apply appropriately sized pieces of air barrier to opening jambs extending 100 mm minimum from opening to exterior face..1 Fold into opening and shingle lap over previously installed sill wrap..4 Head Wrap: Apply appropriately sized pieces of air barrier to opening head extending 100 mm minimum from opening to exterior face..1 Fold into opening and shingle lap over previously installed jamb wraps..5 Roll air barrier overlaps and edges with rubber roller to ensure adhesion and smooth surface finish..3 Vent Pipe Penetrations:.1 Apply sealant in accordance with air barrier manufacturer s written recommendations in gap between opening penetration and exterior wall..2 Install air barrier to ensure 50 mm minimum overlap onto vent pipe..3 Cut fingers to transition air barrier to exterior wall..4 Masonry Tie or Knifeplate Penetrations: Cut square of air barrier 50 mm minimum greater in each direction than masonry tie or knifeplate..1 Cut slot in middle air barrier square, remove release liner and install over masonry tie or knifeplate..3 Apply sealant in accordance with air barrier manufacturer s written recommendations where masonry tie or knifeplate penetrates air barrier..5 Junction Box Penetrations:.1 Junction box wrap: Cut piece of air barrier to size which allows wrapping exterior of junction box with one continuous piece of air barrier in accordance with manufacturer s written recommendations..2 Cut 4 strips of air barrier and apply perpendicular to direction of junction box wrap to allow transition from junction box the exterior wall FIELD QUALITY CONTROL.1 Field Inspection: Coordinate field inspection in accordance with Section [ Quality Control]. 3M CANADA GUIDE NOTE: Specify requirements if manufacturers are to provide field quality control with onsite personnel for instruction or supervision of product installation, application, erection or construction. Manufacturer field reports are included under PART 1, Action and Informational Submittals..2 Manufacturer s Services: 3M CANADA GUIDE NOTE: Use the following Paragraphs only when manufacture s field services are provided and are required to verify the quality of the installed components. Establish the number and duration of periodic site visits required by manufacturer and specify below. Consult manufacturer for services required. Delete if field services are not required..1 Coordinate manufacturer s services with Section [ Quality Control]..1 Have manufacturer review work involved in handling, installation, protection, and cleaning of air barrier and accessories, and submit written reports in acceptable format to verify compliance of Work with Contract conditions..2 Manufacturer s Field Services: Provide manufacturer s field services consisting of product use recommendations and periodic site visits for product installation review in accordance with manufacturer s instructions..1 Report any inconsistencies from manufacturer s recommendations immediately to Consultant..3 Schedule site visits to review work at stages listed:.1 After delivery and storage of drainage sheet and accessories, and when preparatory work on which Work of this Section depends is complete, but before installation begins..2 Twice during progress of work at 25% and 60% complete..3 Upon completion of Work, after cleaning is carried out..4 Obtain reports within three days of review and submit immediately to Consultant.

9 Master Guide Specification Page CLEANING 3M CANADA GUIDE NOTE: For smaller projects that do not have a separate Division 01 Section for cleaning, delete the reference to Section Cleaning in the following two Paragraphs..1 Progress Cleaning: Perform cleanup as work progresses [in accordance with Section Cleaning and Waste Management]..1 Leave work area clean at end of each day..2 Final Cleaning: Upon completion, remove surplus materials, rubbish, tools, and equipment [in accordance with Section Cleaning and Waste Management]..3 Waste Management:.1 Co-ordinate recycling of waste materials with Construction Waste Management and Disposal..2 Collect recyclable waste and dispose of or recycle field generated construction waste created during construction or final cleaning related to work of this Section..3 Remove recycling containers and bins from site and dispose of materials at appropriate facility PROTECTION.1 Do not leave installed air barrier exposed to sunlight for more than 6 months after installation..2 Protect installed products and accessories from damage during construction..3 Repair damage to adjacent materials caused by drainage sheet installation. END OF SECTION AIR BARRIERS