Guide Specifications ADP Series SECTION SHEET METAL ROOFING

Size: px
Start display at page:

Download "Guide Specifications ADP Series SECTION SHEET METAL ROOFING"

Transcription

1 PART 1 GENERAL 1.01 SUMMARY A. Section Includes: Sheet metal roofing panels, metal trim, accessories, fasteners, closures, and sealants. [Specifier Note: Edit paragraph below to suit project requirements.] B. Related Sections: 1. Section Structural Steel 2. Section Steel Deck 3. Section Cold-Formed Metal Framing 4. Section Wood Decking 5. Section Building Insulation 6. Section Roof and Deck Insulation 7. Section Vapor Retarders 8. Section Metal Roof and Wall Panels 9. Section Sheet Metal Flashing and Trim 10. Section Joint Sealants 11. Section Pre-engineered Structures 1.02 REFERENCES A. General: Reference latest edition of applicable codes and standards. B. American Society for Testing and Materials (ASTM): 1. ASTM A792/A792M-Standard Specification for Steel Sheet, 55% Aluminum-Zinc-Alloy-Coated by the Hot-Dip Process. C. AISI Cold-Formed Steel Design Manual, American Iron and Steel Institute (AISI). D. AISC Manual of Steel Construction, American Institute of Steel Construction (AISC). E. UL Roofing Materials Directory, Underwriters Laboratories, Inc. (UL). 1. UL Standard 580-Tests for Uplift Resistance of Roof Assemblies. [Specifier Note: Edit paragraphs below to suit project requirements] F. Building Codes and Design Standards: 1. ASCE-7, Minimum Design Loads for Buildings and Other Structures, American Society of Civil Engineers (ASCE). 2. BOCA National Building Code, Building Officials and Code Administrators, International (BOCA). 3. Uniform Building Code (UBC), International Conference of Building Code Officials (IBCO).

2 4. Standard Building Code (SBC), Southern Building Code Congress International (SBCCI). 5. International Building Code (IBC), International Code Council (ICC) SYSTEM DESCRIPTION A. Design Requirements: 1. Provide architectural standing seam metal roof system with a min. 1" high "vertical" seam side joint with separate snap-on batten. 2. Attach roof panels to support substrate with concealed anchor clips designed to allow for thermal movement of the panels. There shall be no exposed fasteners except at panel fixing line and flashing details or as indicated on approved panel drawings. 3. Provide metal roof panel system which has been manufactured and installed to withstand specified design loads and maintains performance requirements without defects, damage, or failure. 4. Metal roof panel system shall be suitable for the roof slope and the underlayment. B. Performance Requirements: 1. Design Loads: Design loads shall be as specified by building code, design standard or as indicated on the contract drawings. 2. Roof systems that incorporate foam plastic insulation must be tested by the foam plastic manufacturer in accordance with NFPA-285. C. Performance Testing: Tests shall have been conducted or witnessed by a recognized independent laboratory or independent professional engineer. 1. Roof panel system shall be tested in accordance with UL Standard 580 and have a Class 90 rating SUBMITTALS A. Product Data: Submit manufacturer's product data sheet and/or product design and installation manual. B. Shop Drawings: Submit panel shop drawings consisting of design and erection drawings, finish specifications, and other data necessary to clearly describe design, materials, sizes, layouts, construction details, fasteners, and erection. Submit small scale layouts of panels and large scale details of edge conditions, joints, fastener and sealant placement, flashings, penetrations and curbs, and special details. Distinction must be made between factory and field assembled work. Drawings must be approved and field verification of dimensions must occur prior to fabrication. 2

3 C. Samples: 1. Panel: Two (2) required, Full panel width by 12" long. 2. Batten: Two (2) required. 12" long. 3. Anchor Clips: Two (2) required. 4. Fasteners: Two (2) of each type with a statement of intended use. 5. Sealants: One (1) sample of each type, with a statement of intended use. D. Warranties: Submit manufacturer's applicable sample warranties of products. E. Quality Assurance Submittals: 1. Test Reports: Submit certified test reports showing that the roof system has been tested and conforms to the specified performance testing requirements. 2. Certificates: a. A written statement from the manufacturer certifying conformance with the specified manufacturer s qualifications listed in article 1.05 QUALITY ASSURANCE. b. A written statement from the installer certifying conformance with the specified installer qualifications listed in article 1.05 QUALITY ASSURANCE QUALITY ASSURANCE a) Qualifications: 1. Manufacturers Qualifications: The manufacturer shall have had at least fifteen (15) years in architectural metal roofing design and installation. The manufacturer shall have a permanent, stationary, indoor, production facility. 2. Installer Qualifications: a. The installer shall have had a minimum of five (5) years experience in the installation of metal roofing. b) Pre-installation Meeting: Conduct pre-installation meeting to verify project requirements, substrate conditions, manufacturer's installation instructions, and manufacturer's warranty requirements DELIVERY, STORAGE, AND HANDLING A. Delivery: Material shall be delivered to the site in a dry and undamaged condition and unloaded per the manufacturers instructions. The installer shall inspect materials for damage and stains upon arrival at the site. B. Storage: Materials shall be stored out of contact with the ground in weather tight coverings to keep them dry per the manufacturer's recommendations. Storage accommodations shall provide good air circulation and protection from surface staining. 3

4 C. Handling: Exercise care in unloading, storing, and handling of panels to prevent bending, warping, twisting, or surface damage. Follow manufacturer's recommendations for material handling WARRANTIES A. Manufacturer's Warranties 1. Material Warranty: The manufacturer shall warrant that the material furnished will remain free from defects in material and workmanship for a period of two (2) years from date of shipment. 2. Metal Substrate Warranty: The manufacturer shall warrant that the metal roof panel substrate will not rupture or perforate due to corrosion within a period of twenty (20) years from date of shipment. 3. Finish Warranty: The manufacturer shall warrant against fading, chalking, peeling, cracking, checking, chipping, or erosion to base metal of the roof panel paint finish for a period of twenty (20) years from date of shipment. PART 2 PRODUCTS 2.01 MANUFACTURERS A. The CENTRIA ADP 100 Series architectural standing seam metal roof system as manufactured by CENTRIA, 1099 US Highway 421 South, Frankfort, KY B. Requests to use alternate systems must be submitted in writing at least ten (10) days prior to the bid date. Product data, samples, test reports, and required certificates shall be included for product review and approval. C. Being listed as a pre-qualified manufacturer does not release the manufacturer from providing complete and acceptable submittal requirements MATERIALS [Specifier Note: Choose gage, panel width, batten type and pan type in section below.] A. Metal Panels: [ADP 100, ADP 100B, or ADP 100C] architectural standing seam panel as manufactured by CENTRIA. 1. Fabricate metal panels from aluminum-zinc coated steel conforming to ASTM A792 Grade 50B with AZ50 coating when painted AZ50 coating when painted or AZ55 coating when unpainted. Thickness shall be minimum [24 or 22] gage. 2. Panels shall be a min. of [ 18", 16", or 12"] wide with a [1" thin seam batten or 1-1/2" box 4

5 seam batten]. Guide Specifications ADP Series 3. Panels shall [have longitudinal stiffening ribs in the pan to minimize "oil canning" effect, or be flat in the pan with no minor ribs]. C. Concealed Anchor Panel Clips: Fasten metal roof panels to support substrate with concealed anchor clips eliminating all through fastener penetrations. 1. Panel Clips shall be a one piece clip with a 24ga thickness FINISHES [Specifier Note: Choose from panel finishes and textures listed below.] A. Galvalume Plus: Aluminum-zinc coated steel conforming to ASTM A792, Grade 50B with AZ55 coating plus a thin acrylic coating applied to both sides. OR B. Paint Finishes: Coating systems shall have been tested in accordance with ASTM standard test methods for factory color finish. Exterior color shall be chosen from manufacturer's standard colors. 1. Polyvinylidene Fluoride (PVDF): Two-coat system consisting of a nominal 0.2 mil corrosion inhibitive primer on both sides with a 0.75 mil fluoropolymer exterior topcoat and 0.30 mil backer finish. C. Texture: Panel finish shall be smooth ACCESSORIES A. Fasteners: Use only high quality fasteners as recommended or approved by the roof system manufacturer. Follow fastener manufacturer's recommendations for fastener installation. 1. Screws: Panel clip screws shall be min. #10 diameter. Self-tapping screws shall be min. #14 diameter. a. Exposed self-drilling and self-tapping screws shall have a zinc die-cast head with neoprene washer or be 300 series stainless steel with neoprene washer. All exposed fasteners shall be painted to match panel color. b. Concealed screws shall be carbon steel with corrosion resistant coating or 300 series stainless steel as required. 2. Rivets: a. Trim rivets shall be min. 5/32" diameter, stainless steel body and stem with open end or aluminum body and stem with closed end. 5

6 b. Rivets shall be painted to match panel color. B. Closures: 1. All panel end closures shall be field formed from metal "Z" closures manufactured from the same material, color, and finish as the roofing. C. Sealants: Use only high quality sealants as recommended or approved by the roof system manufacturer. Sealants must not contain oils, asbestos, or asphalts. 1. Non-Curing Butyl: One-part, non-skinning, non-drying, synthetic butyl elastomer. Used for metal-to-metal sealing or bedding of panel and flashing seams or joints. 2. Butyl Tape (Webbed Mastic): Extruded polymeric butyl tape, non-skinning and not easily displaced under compression. Used for critical sealing of panel ends, endlaps, penetrations, closures, and flashings. 3. Urethane: One-part moisture curing, gun grade polyurethane sealant. Used for sealing in all exposed conditions FLASHING A. All flashing shall be of the same material, gage, finish, color, and texture as the panels unless otherwise noted. B. Flashing design shall conform to details submitted and approved by the Architect and, if required, the panel manufacturer FABRICATION A. Where possible panels shall be manufactured in continuous lengths, full length of panel runs. PART 3 EXECUTION 3.01 EXAMINATION A. The installer shall inspect the building to verify that the structure is ready for roofing installation. 1. Field-check dimensions and check support alignment with a taut string or wire; panel misalignment may induce "oil canning" and potentially restrict panel movement. 2. Do not proceed until unsatisfactory conditions are corrected. 6

7 3.02 INSTALLATION A. Install metal roofing system in accordance with approved erection drawings and manufacturer's installation instructions. B. Install metal roofing system so that it is weather-tight, without waves, warps, buckles, fastening stress or distortion. C. Do not walk on panels until panels are fasten to substructure and battens are snapped on to panels. D. Protect installed panels from abuse by other trades. The general contractor shall be responsible for protecting the roofing from wet cement, plaster, and paint operations. The installer shall provide walk boards in heavy traffic areas to prevent damage to the panels DAMAGED MATERIAL AND CLEANING A. Replace panels and other components of work which have been damaged beyond repair. B. To prevent rust staining, remove immediately from finished surfaces any filings caused by drilling or cutting. C. Wipe down each area after erection is complete for final acceptance. 7