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<br />SECTION 07 54 23 - THERMOPLASTIC-POLYOLEFIN (TPO) ROOFING
<br />1
<br />1. Accelerated Weathering: Roof membrane shall withstand 2000 hours of
<br />2. Compressive Strength: 25 psi (172 kPa).
<br />b. Trim insulation neatly to fit around penetrations and projections, and to
<br />PART
<br />1 -GENERAL
<br />exposure when tested according to ASTM G152, ASTM G154, or
<br />fit tight to intersecting sloping roof decks.
<br />ASTM G155.
<br />3. Size: 48 by 96 inches (1219 by 2438 mm).
<br />1.1
<br />RELATED DOCUMENTS
<br />c. Make joints between adjacent insulation boards not more than 1/4 inch
<br />1.2
<br />SUMMARY
<br />2. Impact Resistance: Roof membrane shall resist impact damage when tested
<br />4. Thickness:
<br />(6 mm) in width.
<br />A.
<br />Section Includes:
<br />according to ASTM D3746, ASTM D4272, or the "Resistance to Foot Traffic
<br />Test" in FM Approvals 4470.
<br />a. Base Layer: 1-1/2 inches 38 mm R-13 .
<br />Y ( ) ( )
<br />d. At internal roof drains, slope insulation to create a square drain sump
<br />with each side equal to the diameter of the drain bowl plus 24 inches
<br />1. Mechanically fastened, thermoplastic polyolefin (TPO) roofing system.
<br />B.
<br />Material Compatibility: Roofing materials shall be compatible with one another
<br />2.5 INSULATION ACCESSORIES
<br />(610 mm).
<br />and adjacent materials under conditions of service and application required, as
<br />2. Roof insulation.
<br />demonstrated by roof membrane manufacturer based on testing and field
<br />A. General: Roof insulation accessories recommended by insulation manufacturer
<br />1) Trim insulation so that water flow is unrestricted.
<br />experience,
<br />for intended use and compatibility with other roofing system components.
<br />e. Fill gaps exceeding 1/4 inch (6 mm) with insulation.
<br />1.3
<br />DEFINITIONS
<br />C.
<br />Wind Uplift Resistance: Design roofing system to resist the following wind uplift
<br />B. Fasteners: Factory -coated steel fasteners with metal or plastic plates complying
<br />A.
<br />Roofing Terminology: Definitions in ASTM D1079 and glossary in NRCA's "The
<br />pressures when tested according to FM Approvals 4474, UL 580, or UL 1897:
<br />with corrosion -resistance provisions in FM Approvals 4470, designed for
<br />f. Cut and fit insulation within 1/4 inch (6 mm) of nailers, projections, and
<br />NRCA Roofing Manual: Membrane Roof Systems" apply to Work of this Section.
<br />1. Zone 1 (Roof Area Field): As shown on Drawings.
<br />fastening roof insulation to substrate, and acceptable to roofing system
<br />penetrations.
<br />2
<br />manufacturer.
<br />1.4
<br />ACTION SUBMITTALS
<br />2. Zone 2 (Roof Area Perimeter): As shown on Drawings. (kPa/sq. m)
<br />3.5
<br />INSTALLATION OF MECHANICALLY FASTENED ROOF MEMBRANE
<br />A.
<br />Product Data: For each type of product.
<br />3. Zone 3 (Roof Area Comers): As shown on Drawings.
<br />PART 3 -EXECUTION
<br />A.
<br />Mechanically fasten roof membrane over area to receive roofing according to
<br />Y 9 9
<br />roofing system manufacturer's written instructions.
<br />1. For insulation and roof system component fasteners, include copy of FM
<br />D.
<br />FM Approvals' RoofNav Listing: Roof membrane, base flashings, and component
<br />3.1 EXAMINATION
<br />Approvals' RoofNav listing.
<br />materials shall comply with requirements in FM Approvals 4450 or FM
<br />B.
<br />Unroll roof membrane and allow to relax before installing.
<br />Approvals 4470 as part of a roofing system, and shall be listed in FM Approvals'
<br />A. Examine substrates, areas, and conditions, with Installer present, for compliance
<br />B.
<br />Shop Drawings: Include roof plans, sections, details, and attachments to other
<br />RoofNav for Class 1 or noncombustible construction, as applicable. Identify
<br />with requirements and other conditions affecting performance of the Wont.
<br />C.
<br />For in -splice attachment, install roof membrane with long dimension
<br />work, including the following:
<br />materials with FM Approvals Certification markings.
<br />1. Verify that roof openings and penetrations are in place, curbs are set and
<br />perpendicular to steel roof deck flutes.
<br />1. Layout and thickness of insulation.
<br />1. Fire/Windstorm Classification: Class 1A-120.
<br />braced, and roof -drain bodies are securely clamped in place.
<br />D.
<br />Start installation of roofing in presence of roofing system manufacturer's technical
<br />personnel.
<br />2. Base flashings and membrane termination details.
<br />2. Hail -Resistance Rating: FM Global Property Loss Prevention Data
<br />2. Verify that wood blocking, curbs, and nailers are securely anchored to roof
<br />deck at penetrations and terminations and that nailers match thicknesses of
<br />E.
<br />Accurately align roof membrane, and maintain uniform side and end laps of
<br />3. Flashing details at penetrations.
<br />Sheet 1-34 MH.
<br />insulation.
<br />minimum dimensions required by manufacturer. Stagger end laps.
<br />3
<br />4. Tapered insulation layout, thickness, and slopes.
<br />E.
<br />Solar Reflectance Index: Not less than 78 when calculated according to
<br />ASTM E 1980, based on testing identical products by a qualified testing agency.
<br />3. Verify that surface plane flatness and fastening of steel roof deck complies
<br />F.
<br />Mechanically fasten or adhere roof membrane secure) at terminations,
<br />Y Y
<br />with requirements in Section 05 31 00 "Steel Decking."
<br />penetrations, and perimeter of roofing.
<br />5. Roof plan showing orientation of steel roof deck and orientation of roof
<br />F.
<br />Energy Performance: Roofing system shall have an initial solar reflectance of not
<br />membrane, fastening spacings, and patterns for mechanically fastened
<br />less than 0.70 and an emissivity of not less than 0.75 when tested according to
<br />B. Proceed with installation only after unsatisfactory conditions have been corrected.
<br />G.
<br />Apply roof membrane with side laps shingled with slope of roof deck where
<br />roofing system.
<br />CRRC-1.
<br />possible.
<br />6. Insulation fastening patterns for comer, perimeter, and field -of -roof locations.
<br />G.
<br />Exterior Fire -Test Exposure: ASTM E108 or UL 790, Class A; for application and
<br />3.2 PREPARATION
<br />H.
<br />In -Seam Attachment: Secure one edge of TPO sheet using fastening plates or
<br />roof slopes indicated; testing by a qualified testing agency. Identify products with
<br />A. Clean substrate of dust, debris, moisture, and other substances detrimental to
<br />metal battens centered within seam, and mechanically fasten TPO sheet to roof
<br />deck.
<br />1.5
<br />INFORMATIONAL SUBMITTALS
<br />appropriate markings of applicable testing agency.
<br />roofing system installation according to roofing system manufacturer's written
<br />instructions. Remove sharp projections.
<br />I.
<br />Seams: Clean seam areas, overlap roof membrane, and hot-air weld side and
<br />A.
<br />Qualification Data: For Installer, manufacturer and testing agency.
<br />2.2
<br />THERMOPLASTIC POLYOLEFIN (TPO) ROOFING
<br />B. Prevent materials from entering and clogging roof drains and conductors and
<br />watertight to ensure a flashings of roof membrane and sheet s ht seam
<br />end laps 9 9
<br />B.
<br />Manufacturer Certificates:
<br />A.
<br />TPO Sheet: ASTM 06878/D6878M, internally fabric -or scrim -reinforced,
<br />from spilling or migrating onto surfaces of other construction. Remove roof -drain
<br />installation.
<br />1. Performance Requirement Certificate: Signed by roof membrane
<br />fabric -backed TPO sheet,
<br />plugs when no work is taking place or when rain is forecast.
<br />1. Test lap edges with probe to verify seam weld continuity. Apply lap sealant to
<br />manufacturer, certifying that roofing system complies with requirements
<br />"Performance
<br />1. Manufacturers: Subject to compliance with requirements, available
<br />C. Perform fastener -pullout tests according to roof system manufacturer's written
<br />seal cut edges of roof membrane and flashing sheet.
<br />4
<br />specified in Requirements" Article.
<br />manufacturers offering products that may be incorporated into the Work
<br />instructions.
<br />fy g y, and repair seam
<br />2. Verify field strength of seams a minimum of twice daily,
<br />a. Submit evidence of compliance with performance requirements.
<br />include, but are not limited to, the following:
<br />1. Submit test result within 24 hours after performing tests.
<br />sample areas.
<br />2. Special Warranty Certificate: Signed by roof membrane manufacturer,
<br />a. Carlisle SynTec Incorporated.
<br />a. Include manufacturer's requirements for any revision to previously
<br />3. Repair tears, voids, and lapped seams in roof membrane that do not comply
<br />certifying that all materials supplied under this Section are acceptable for
<br />b. Firestone Building Products.
<br />submitted fastener patterns required to achieve specified wind uplift
<br />with requirements.
<br />special warranty.
<br />requirements.
<br />J.
<br />Spread sealant bed over deck -drain flange at roof drains, and securely seal roof
<br />C.
<br />Product Test Reports: For roof membrane and insulation, for tests performed by
<br />c. GAF.
<br />membrane in place with clamping ring.
<br />a qualified testing agency, indicating compliance with specified requirements.
<br />d. Johns Manville; a Berkshire Hathaway company.
<br />3.3 INSTALLATION OF ROOFING, GENERAL
<br />3.6
<br />INSTALLATION OF BASE FLASHING
<br />D.
<br />Evaluation Reports: For components of roofing system, from ICC-ES.
<br />2. Source Limitations: Obtain components for roofing system from roof
<br />A. Install roofing system according to roofing system manufacturer's written
<br />E.
<br />Field quality -control reports.
<br />membrane manufacturer or manufacturers approved by roof membrane
<br />instructions, FM Approvals' RoofNav listed roof assembly requirements, and FM
<br />A.
<br />Install sheet flashings and preformed flashing accessories, and adhere to
<br />manufacturer.
<br />Global Property Loss Prevention Data Sheet 1-29.
<br />substrates according to roofing system manufacturer's written instructions.
<br />1.6
<br />CLOSEOUT SUBMITTALS
<br />3. Thickness: 60 mils (1.5 mm), nominal.
<br />B. Complete terminations and base flashings and provide temporary seals to
<br />B.
<br />Apply bonding adhesive to substrate and underside of sheet flashing at required
<br />prevent water from entering completed sections of roofing system at end of
<br />rate, and allow to partially dry. Do not apply to seam area of flashing.
<br />A.
<br />Maintenance Data: For roofing system to include in maintenance manuals.
<br />4. Exposed Face Color: White.
<br />workday or when rain is forecast. Remove and discard temporary seals before
<br />5
<br />beginning Work on adjoining roofing.
<br />C.
<br />Flash penetrations and field -formed inside and outside comers with cured or
<br />B.
<br />Certified statement from existing roof membrane manufacturer stating that
<br />uncured sheet flashing.
<br />existing roof warranty has not been affected by Work performed under this
<br />2.3
<br />AUXILIARY ROOFING MATERIALS
<br />C. Install roof membrane and auxiliary materials to be in to existing roofing to
<br />Section.
<br />A.
<br />General: Auxiliary materials recommended by roofing system manufacturer for
<br />maintain weathertightness of transition and to not void warranty for existing
<br />D.
<br />Clean seam areas, overlap, and firmly roll sheet flashings into the adhesive.
<br />roofing system.
<br />Hot-air weld side and end laps to ensure a watertight seam installation.
<br />intended use and compatible with other roofing components.
<br />1.7
<br />QUALITY ASSURANCE
<br />E.
<br />Terminate and seal top of sheet flashings and mechanically anchor to substrate
<br />1. Adhesive and Sealants: Comply with VOC limits of authorities having
<br />3.4 INSTALLATION OF INSULATION
<br />through termination bars.
<br />A.
<br />Manufacturer Qualifications: A qualified manufacturer that is listed in FM
<br />jurisdiction.
<br />Approvals' RoofNav for roofing system identical to that used for this Project.
<br />A. Coordinate installing roofing system components so insulation is not exposed to
<br />B.
<br />Sheet Flashing: Manufacturer's standard unreinforced TPO sheet flashing, 55
<br />precipitation or left exposed at end of workday.
<br />3.7
<br />FIELD QUALITY CONTROL
<br />B.
<br />Installer Qualifications: A qualified firm that is approved, authorized, or licensed
<br />mils (1.4 mm) thick, minimum, of same color as TPO sheet.
<br />by roofing system manufacturer to install manufacturer's product and that is
<br />B. Comply with roofing system and roof insulation manufacturer's written instructions A.
<br />Testing Agency: Engage a qualified testing agency to perform tests and to
<br />eligible to receive manufacturer's special warranty.
<br />C.
<br />Prefabricated Pipe Flashings: As recommended by roof membrane manufacturer.
<br />for installing roof insulation.
<br />inspect substrate conditions, surface preparation, roof membrane application,
<br />sheet flashings, protection, and drainage components, and to furnish reports to
<br />D.
<br />Roof Vents: As recommended by roof membrane manufacturer.
<br />C. Installation Over Metal Decking:
<br />Architect.
<br />1.8
<br />DELIVERY, STORAGE, AND HANDLING
<br />6
<br />1. Size: Not less than 4-inch (100-mm) diameter.
<br />1. Install base layer of insulation with end joints staggered not less than 12
<br />B.
<br />Final Roof Inspection: Arrange for roofing system manufacturer's technical
<br />A.
<br />Deliver roofing materials to Project site in original containers with seals unbroken
<br />inches (305 mm) in adjacent rows and with long joints continuous at right
<br />personnel to inspect croofing installation on completion, in presence of Architect,
<br />and labeled with manufacturer's name, product brand name and type, date of
<br />E.
<br />Bonding Adhesive: Manufacturer's standard.
<br />angle to flutes of decking.
<br />and to prepare inspection report.
<br />manufacture, approval or listing agency markings, and directions for storing and
<br />F.
<br />Metal Termination Bars: Manufacturer's standard, predrilled stainless steel or
<br />mixing with other components.
<br />aluminum bars, approximately 1 by 1/8 inch (25 by 3 mm) thick; with anchors.
<br />a. Locate end joints over crests of decking.
<br />C.
<br />Repair or remove and replace components of roofing system where inspections
<br />indicate that they do not comply with specified requirements.
<br />B.
<br />Store liquid materials in their original undamaged containers in a clean, dry,
<br />b. Trim insulation neatly to fit around penetrations and projections, and to
<br />protected location and within the temperature range required by roofing system
<br />G.
<br />d tor ll i i l d d t ' t f M tt l B t MeaBattens: Manufacturer's standard, aluminum -zinc -alloy -coated
<br />fit tight to intersecting sloping roof decks.
<br />D.
<br />Additional testing and inspecting, at Contractor's expense, will be performed to
<br />manufacturer. Protect stored liquid material from direct sunlight.
<br />zinc -coated steel sheet, approximately 1 inch wide by 0.05 inch thick (25 mm
<br />determine if replaced or additional work complies with specified requirements.
<br />wide by 1.3 mm thick), prepunched.
<br />c. Make joints between adjacent insulation boards not more than 1/4 inch
<br />1. Discard and legally dispose of liquid material that cannot be applied within its
<br />(6 mm) in width.
<br />stated shelf life.
<br />H.
<br />Fasteners: Factory -coated steel fasteners and metal or plastic plates complying
<br />3.8
<br />PROTECTING AND CLEANING
<br />with corrosion -resistance provisions in FM Approvals 4470, designed for
<br />d. At internal roof drains, slope insulation to create a square drain sump
<br />A.
<br />Protect roofing system from damage and wear during remainder of construction
<br />C.
<br />Protect roof insulation materials from physical damage and from deterioration by
<br />fastening roofing components to substrate, and acceptable to roofing system
<br />with each side equal to the diameter of the drain bowl plus 24 inches
<br />period. When remaining construction does not affect or endanger roofing system,
<br />sunlight, moisture, soiling, and other sources. Store in a dry location. Comply with
<br />manufacturer.
<br />(610 mm).
<br />inspect roofing system for deterioration and damage, describing its nature and
<br />insulation manufacturer's written instructions for handling, storing, and protecting
<br />during installation.
<br />I.
<br />Miscellaneous Accessories: Provide pourable sealers, preformed cone and vent
<br />1) Trim insulation so that water flow is unrestricted.
<br />extent in a written report, with copies to Architect and Owner.
<br />7
<br />D.
<br />Handle and store roofing materials, and place equipment in a manner to avoid
<br />sheet flashings, preformed inside and outside comer sheet flashings, T joint
<br />covers, lap sealants, termination reglets, and other accessories.
<br />e. Fill gaps exceeding 1/4 inch (6 mm) with insulation.
<br />B.
<br />Correct deficiencies in or remove roofing system that does not comply with
<br />permanent deflection of deck.
<br />requirements, repair substrates, and repair or reinstall roofing system to a
<br />f. Cut and fit insulation within 1/4 inch (6 mm) of nailers, projections, and
<br />condition free of damage and deterioration at time of Substantial Completion and
<br />2.4
<br />ROOF INSULATION
<br />penetrations.
<br />according to warranty requirements.
<br />1.9
<br />FIELD CONDITIONS
<br />A.
<br />General: Preformed roof insulation boards manufactured or approved by TPO
<br />g. Mechanically attach base layer of insulation using mechanical fasteners
<br />C.
<br />Clean overspray and spillage from adjacent construction using cleaning agents
<br />A.
<br />Weather Limitations: Proceed with installation only when existing and forecasted
<br />roof membrane manufacturer, approved for use in FM Approvals' RoofNav listed
<br />specifically designed and sized for fastening specified board -type roof
<br />procedures recommended b
<br />and p y manufacturer of affected construction.
<br />weather conditions permit roofing system to be installed according to
<br />roof assemblies.
<br />insulation to metal decks.
<br />manufacturer's written instructions and warranty requirements.
<br />B.
<br />Polyisocyanurate Board Insulation: ASTM C1289, [Type II, Class 1, Grade 2]
<br />1) Fasten insulation according to requirements in FM Approvals'
<br />END OF SECTION 07 54 23
<br />1.10
<br />WARRANTY
<br />[Type tl, Class 2, Grade 2], felt or glass -fiber mat facer on both major surfaces.
<br />RoofNav for specified Windstorm Resistance Classification.
<br />A.
<br />Special Warranty: Manufacturer agrees to repair or replace components of
<br />1. Manufacturers: Subject to compliance with requirements, available
<br />2 Fasten insulation to resists specified uplift pressure at comers,
<br />) p p
<br />roofing system that fail in materials or workmanship within specified warranty
<br />manufacturers offering products that may be incorporated into the Work
<br />perimeter, and field of roof.
<br />period.
<br />include, but are not limited to, the following:
<br />2. Install upper layers of insulation and tapered insulation with joints of each
<br />$
<br />1. Special warranty includes roof membrane, base flashings, roof insulation,
<br />a. Carlisle SynTec Incorporated.
<br />layer offset not less than 12 inches (305 mm) from previous layer of
<br />fasteners, and other components of roofing system.
<br />b. Firestone Building Products.
<br />insulation.
<br />2. Warranty Period: 20 years from date of Substantial Completion.
<br />c. GAF.
<br />a. Install with long joints continuous and with end joints staggered not less
<br />than 12 inches (305 mm) in adjacent rows.
<br />PART 2 -PRODUCTS
<br />d. Insulfoam - a division of Carlisle Construction Materials Inc.
<br />e. Johns Manville; a Berkshire Hathaway company.
<br />2.1
<br />PERFORMANCE REQUIREMENTS
<br />f. Rmax, Inc.
<br />0
<br />10
<br />A. General Performance: Installed roofing system and flashings shall withstand
<br />specified uplift pressures, thermally induced movement, and exposure to weather
<br />without failure due to defective manufacture, fabrication, installation, or other
<br />defects in construction. Roof system and flashings shall remain watertight.
<br />1
<br />ISSUE FOR CONSTRUCTION
<br />07/15/22
<br />JWT
<br />JWT
<br />JWT
<br />TC
<br />TC
<br />0
<br />ISSUE FOR PERMIT
<br />06/24/22
<br />JWT
<br />JWT
<br />JWT
<br />TC
<br />TC
<br />REV
<br />REVISION DESCRIPTION
<br />DATE
<br />JDRWN
<br />DSGN
<br />CHKD
<br />QC
<br />APPD
<br />REF. DWG. NO
<br />REFERENCE DRAWING TITLE
<br />NOT USED
<br />07/15/2022
<br />CLIENT PROJECT NO.:
<br />❑❑
<br />MERRICK000
<br />UP`
<br />MERRICK PROJECT NO.: 3021600491
<br />SCALE:
<br />AS NOTED
<br />TITLE:
<br />WT-BTB ZEPHYRHILLS EXPANSION
<br />ARCHITECTURAL
<br />SPECIFICATIONS
<br />REVISION: DRAWING NO.: SHEET NO.:
<br />1 A002 OF '-
<br />1
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