1) GENERAL

1.1 GENERAL REQUIREMENTS

.1 Comply with General Conditions of Contract, Supplementary Conditions and the [ ]]requirements of Division 1

1.2 RELATED SECTIONS

.1 Structural steel supports, Section [05100]

.2 Cold formed metal framing, Section [05400]

.3 Air/Vapor barrier Section, [07270]

.4 Roof and Fascia Flashing, Section [07500]

.5 Sealing between metal and [concrete] [masonry], Section [07900]

.6 Metal doors and frames, Section [08100]

.7 Windows, Section [08500]

1.3 DESIGN REQUIREMENTS

Spec Note: For 1.3.1 insert expected temperature range for locality of building including allowance for skin temperature heat gain in sunlight on coloured finish.

.1 Design cladding system to provide for thermal movement of component materials caused by ambient temperature range of [____ C ( F)] without causing buckling, wind rattle, undue stress on fasteners or other detrimental effects.

.2 Include expansion joints to accomodate movement in wall system and between wall system and building structure,caused by structural movements, without permanent distortion.

.3 Design framing members to withstand dead load and wind loads as calculated in accordance with NBCC and applicable municipal regulations, to maximum allowable deflection of L/175 of span or 19 mm (3/4") whichever is less for system supports, and L/60 of span for panel system.

.4 Provide for positive drainage of condensation occuring within wall construction and water entering at joints, to exterior face of wall in accordance with [NRC "Rain Screen Principals"].

.5 Design wall system to accomodate specified erection tolerences of structure.

.6 Maintain following installation tolerences:

xx.1 Maximum variation from plane or location shown on approved shop drawings: xx1/2" in 20'0" (13 mm in 6 m) maximum.

xx.2 Maximum offset from true alignment between two adjacent members abutting xxend to end, in line: 0.75mm (1/32").

1.4 SHOP DRAWINGS

.1 Submit shop drawings in accordance with Section [01340].

.2 Indicate dimensions, wall openings, head, jamb, sill and mullion detail, materials and finish, anchor details, compliance with design criteria and requirements of related work.

.3 Shop drawings complete with calculations to be reviewed by and bear stamp of professional engineer.

1.5 SAMPLES

.1 Submit duplicate 75 mm x 125 mm (3" x 5") samples of wall system, representative of materials, finishes and colours, in accordance with Section [01340] for approval.

1.6 QUALITY ASSURANCE

.1 Qualification of Installer

Installation of cladding system to be made by work forces approved by cladding fabricator as per written installation instructions provided by manufacturer.

1.7 MOCK-UPS

.1 Provide mock-up on building consisting of complete cladding system, including but not limited to metal furring, panels, securement devices, and moldings for approval. Cladding finish and moldings to be of finish and colour as designated by the [Consultant] [Architect].

.2 Location of mock-up to be as directed by [Consultant] [Architect]. Size to be four panels mimimum in a 2 over 2 configuration.

.3 Modify mock-up as necessary for [Consultant's] [Architect's] approval. Mock-up [may] [may not] remain in place as part of completed work. Mock-up to represent standard for completed work.

1.8 STORAGE AND PROTECTION

.1 Handle, store and protect materials in accordance with cladding manufacturer's written instructions.

1.9 MAINTENANCE DATA

.1 Provide maintenance data for care and/or panel replacement for incorporation into operation and maintenance manual specified in Section [01730].

2) PRODUCTS

SPEC NOTE: If more than one type panel, thickness, size, or colour is required, specify type, etc. and ensure drawings or specifications indicate location of each type.

2.1 MATERIALS

.1 Composite metal building panels: REYNOBOND® by Kanalco aluminum Composite material consisting of a thermoplastic compound [PE] [FR] core laminated between two 0.50 mm (.020") sheets of 3105 H25 alloy aluminum; with class 'A' Surface Burning Characteristics (ASTM E84); [RB_____] grade; [_____] thickness; [_____] color; [_____] panel size; as manufactured by REYNOBOND® Metals Company and fabricated and furnished by Kanalco Ltd.

.2 Panel finish: Colorweld 300 coating consisting of 70% Kynar 500 Hylas 5000 polyvinylidene fluroide (PVDF) resins, coil coated to ensure highest color uniformity and quality, of color as specified, and thickness and paint finish performance as stated in manufacturer's literature.

.3 Copings and flashings: formed material to match cladding system.

.4 Sub-girts: 1.2 mm(18 ga.) zinc coated steel, to ASTM A525 with Grade A coating to ASTM Z275.

.5 Fasteners: all exposed rivets/fasteners to be stainless steel; all concealed fasteners to be Climaseal coated or stainless steel.

.6 Sealents: compatible with panel material; in accordance with Section [07900], paragraph [_____], [_____type] [_____color] as selected by [Consultant] [Architect].

2.2 FABRICATION

.1 Panels to factory fabricated in accordance with specifications and approved shop drawings.

.2 Bond panels using continuous process without using applied glues or adheasives.

.3 Maximum allowable fabrication tolerences to be:

xx.1 Panel bow: 0.8% of panel dimensions.

xx.2 Width or length: + 0.80 mm (0.032") up to 1220 mm (48") + 1.5 mm (0.064") from 1220 mm to 3360 mm (48" to 144").

.3 Squreness: Maximum 4.7 mm (0.187") difference between diagonal measurements.

.4 Form all panels to specified dimensions with tolerences to accomodate thermal expansion and contraction between panels and structural members. Accurately form radii of curved panels in plant.

.5 Factory fabricate accessory and trim components, ready for installation.

.6 Ensure panel surfaces are free of fabrication scratches or marks, and that entire project is manufactured from single color coil paint run to ensure color uniformity.

.7 For metallic colored panels, ensure panel grain is maintained, with no panel blank sizes rotated.

3) EXECUTION

3.1 INSPECTION

.1 Prior to installation, examine alignment of substrate and notify [Consultant] [Architect] in writing if substrate does not comply with manufacturer's recommendations.

3.2 INSTALLATION

.1 Install cladding in accordance with manufacturer's written instructions and shop drawings. Allow for thermal movement.

.2 Maintain following installation tolerances:

.1 Maximum variation from plane or location shown on shop drawings: 10 mm/10 m (3/8" in 30'-0") of length and up to 20 mm/100 m (3/4" in 300'-0") maximum.

.2 Maximum deviation for vertical member: 3 mm (1/8") in a 8.5 m (25'-0") run.

.3 Maximum deviation for horizontal member: 3 mm (1/8") in a 8.5 m (25'-0") run.

.4 Maximum offset from true alignment between two adjacent members abutting end to end, in line: 0.75 mm (1/32").

.3 Brake form metal flashing to profile required, in maximum lengths.

.4 Where aluminum materials come in contact with dissimilar materials, install isolation shim or tape at fastening locations.

.5 Install head and sill flashings, edge trim, cap pieces and other metal profiles as applicable and/or detailed.

.6 Obtain panel symmetry whenever possible relative to openings in both vertical and horizontal place.

.7 Employ [control] [expansion] joints as indicated.

.8 Remove excess sealant using recommended solvent.

.9 Remove strippable coating from panels as cladding is installed.

.8 Ensure dry joint panel system has no exposed sealant in panel joint.

3.3 CLEANING