SECTION 07 4213

METAL FLAT LOCK TILE PANELS

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This master specification section has been prepared by Alusystems, LLC for use in the preparation of a project specification section covering concealed fastener, metal panel flat lock tile panels for wall and roof systems.

A high-temperature-rated underlayment such as Lastobond Shield HT by Soprema or Ice and Water Shield HT by Grace Construction Products must be applied under metal flat lock tile panels.

Alusystems, LLC also offers the following specification sections covering additional composite metal panel wall systems:

Section 07 4243-10 - Composite Metal Wall Panels (Series 10 Wet Seal, using angle clips for panel attachment)

Section 07 4243-20 - Composite Metal Wall Panels (Series 20 Dry Seal)

Section 07 4243-30 - Composite Metal Wall Panels (Series 30 Wet Seal, using channel extrusions for panel attachment)

Section 07 4243-40 - Composite Metal Wall Panels (Series 40 Rainscreen)

The following should be noted in using this specification:

Hypertext links to specific websites are included after manufacturer names and names of organizations whose standards are referenced within the text, to assist in product selection and further research. Hypertext links are contained in parenthesis and shown in blue, e.g.:

(www.astm.com)

Optional text requiring a selection by the user is enclosed within brackets, e.g.: "Section [09 0000.] [_____.]"

Items requiring user input are enclosed within brackets, e.g.: "Section [_____ - ________]."

Optional paragraphs are separated by an "OR" statement, e.g.:

**** OR ****

Sustainable requirements are included for projects requiring LEED certification, and are included as green text. For additional information on LEED, visit the U.S. Green Building Council website at www.usgbc.org..

For assistance on the use of the products in this section, contact Alusystems, LLC by calling 225-772-1717 or visit their website at (www.alusystems.com).

PART 1	GENERAL

1.1	SUMMARY

Edit the following paragraphs to include only those items specified in this section.

A.	Section Includes:

1.	Metal flat lock [wall] [and] [roof] tile system.

2.	Underlayment.

3.	Flashings, trim, anchorage, and accessories.

Coordinate the following paragraphs with other sections in the project manual.

B.	Related Sections:

1.	Division 01: Administrative, procedural, and temporary work requirements.

2.	Section [07 9200 - Joint Sealers.] [__ ____ - ______.]

1.2	REFERENCES

In the following paragraphs, retain only those reference standards that are used elsewhere in this section.

A.	American Society of Civil Engineers (ASCE) (www.asce.org) 7 - Minimum Design Loads for Buildings and Other Structures.

B.	American Architectural Manufacturers Association (AAMA) (www.aamanet.org):

1.	611 - Voluntary Specification for Anodized Architectural Aluminum.

2.	621 - Voluntary Specifications for High Performance Organic Coatings on Coil Coated Architectural Hot Dipped Galvanized (HDG) and Zinc-Aluminum Coated Steel Substrates.

3.	2605 - Voluntary Specification, Performance Requirements and Test Procedures for Superior Performing Organic Coatings on Architectural Extrusions and Panels.

C.	ASTM International (ASTM) (www.astm.org):

1.	A653/A653M - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process.

2.	A666 - Standard Specification for Annealed or Cold-Worked Austenitic Stainless Steel Sheet, Strip, Plate, and Flat Bar.

3.	A755/A755M - Standard Specification for Steel Sheet, Metallic Coated by the Hot-Dip Process and Prepainted by the Coil-Coating Process for Exterior Exposed Building Products.

4.	A792/A792M - Standard Specification for Steel Sheet, 55% Aluminum-Zinc Alloy-Coated by the Hot-Dip Process.

5.	B69 - Standard Specification for Rolled Zinc.

6.	B209 - Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.

7.	B370 - Standard Specification for Copper Sheet and Strip for Building Construction.

8.	D1970 - Standard Specification for Self-Adhering Polymer Modified Bituminous Sheet Materials Used as Steep Roofing Underlayment for Ice Dam Protection.

9.	E330 - Standard Test Method for Structural Performance of Exterior Windows, Curtain Walls, and Doors under the Influence of Wind Loads.

D.	Copper Development Association (CDA) (www.copper.org) - Contemporary Copper, A Handbook of Sheet Copper Fundamentals, Design, Details and Specifications.

1.3	SYSTEM DESCRIPTION

A.	Design Requirements: Design system to withstand:

1.	Minimum wind pressures in accordance with [ASCE 7,] [Building Code,] [____,] tested in accordance with ASTM E330].

2.	Movement caused by an ambient temperature range of [120] [__] degrees F and a surface temperature range of [160] [__] degrees F.

1.4	SUBMITTALS

Limiting submittals to only those actually required helps to minimize liability arising from the review of submittals. Minimize submittals on smaller, less complex projects.

Include the following for submission of shop drawings, product data, and samples for the Architect's review.

A.	Submittals for Review:

1.	Shop Drawings:

a.	Include profiles, thicknesses, and dimensions of panels, details of forming, joint supports, anchorages, trim, flashings, sealants, and accessories.

b.	Show:

1)	Details of weatherproofing at edge terminations.

2)	Panel elevations.

3)	Layout of work.

2.	Samples:

Include the following for panels requiring a color selection.

a.	[3 x 3] [__ x __] inch finish samples showing available colors.

b.	[After color selection, submit] [8 x 8] [__ x __] inch panel samples in [selected] [specified] color, fabricated into units representative of actual panels.

3.	Warranty: Sample warranty form.

Include the following for submission of quality control submittals. These submittals are intended for the Owner's record purposes and are not intended to be reviewed by the Architect.

B.	Quality Control Submittals:

1.	Test reports: Certified test reports from a recognized independent testing laboratory showing compliance with specified performance criteria.

Include the following for submission of sustainable design submittals.

C.	Sustainable Design Submittals:

1.	Recycled Content: Certify percentages of post-consumer and pre-consumer recycled content.

2.	Regional Materials: Indicate cost of products harvested, extracted, recovered, or manufactured within 500 mile radius of Project site.

1.5	QUALITY ASSURANCE

A.	Fabricator:

1.	Demonstrate ability to perform work of this Section.

2.	Assume undivided responsibility for all system components

3.	Provide engineering support required for design of system to meet specified requirements.

Include the following for full size mockups for review of construction and coordination of work of several sections, or field testing.

B.	Mockup:

1.	Size: Minimum [4 x 8] [__ x __] feet.

2.	Show metal panels, flashings, and trim. Include [horizontal and vertical panel joints] [and] [one external corner.] [____.]

3.	Locate [where directed.] [____.]

4.	Approved mockup may [not] remain as part of the Work.

1.6	DELIVERY, STORAGE AND HANDLING

A.	Provide coverings and spacers to prevent panel-to-panel contact.

1.7	WARRANTIES

Include the following for fluoropolymer coated finishes.

A.	Provide manufacturer's 20 year warranty providing coverage against cracking, peeling, fading, or chalking of panel finish.

PART 2	PRODUCTS

2.1	MANUFACTURERS

A.	Acceptable Manufacturers:

1.	Alusystems LLC. (www.alusystems.com)

2.	MetalTechUSA. (www.metaltech-usa.com)

3.	VM Zinc. (www.vmzinc-us.com)

4.	[____].

5.	[____].

6.	[____].

Edit the following to indicate whether or not substitutions will be permitted for the products in this section.

B.	Substitutions: [Under provisions of Division 01.] [Not permitted.]

2.2	MATERIALS

A.	Aluminum Sheet:

1.	ASTM B209, alloy 3015-H14 or equivalent, [[0.032] [__] inch thick.

2.	Recycled content: Minimum [__] percent recycled aluminum, with minimum [__] percent classified as post consumer..

3.	Surface: [Smooth.[ [____.]

4.	Finish: AAMA 2605, fluoropolymer coating containing minimum 70 percent PVDF resins, [custom] [____] color [to be selected from manufacturer's full color range].

**** OR ****

5.	Finish: AAMA 611, Architectural Class I anodized to 0.0007 inch minimum thickness, [clear.] [light bronze.] [medium bronze.] [dark bronze.] [black.]

**** OR ****

B.	Galvanized Steel Sheet:

1.	ASTM A653/A653M, Structural Quality, [G60] [G90] [__] coating class, [24] [__] gage core steel.

2.	Recycled content: Minimum [__] percent recycled steel, with minimum [__] percent classified as post consumer.

**** OR ****

C.	Precoated Galvanized Steel Sheet:

1.	ASTM A755/A755M, Structural Quality, [G60] [G90] [__] galvanized coating class, [24] [__] gage core steel.

2.	Recycled content: Minimum [__] percent recycled steel, with minimum [__] percent classified as post consumer.

3.	Finish: AAMA 621, fluoropolymer coating, containing minimum [50] [70] percent PVDF resins, [custom] [____] color [to be selected from manufacturer's full color range].

**** OR ****

D.	Aluminum-Zinc Alloy Coated Steel Sheet:

1.	ASTM A792, Commercial Quality, [AZ50] [AZ55] [__] aluminum-zinc alloy coating, [24] [__] gage core steel.

2.	Recycled content: Minimum [__] percent recycled steel, with minimum [__] percent classified as post consumer.

**** OR ****

E.	Precoated Aluminum-Zinc Alloy Coated Steel Sheet:

1.	ASTM A792/A792M, Commercial Quality, [AZ50] [AZ55] [__] aluminum-zinc alloy coating, [24] [26] [__] gage core steel.

2.	Recycled content: Minimum [__] percent recycled steel, with minimum [__] percent classified as post consumer.

3.	Finish: AAMA 621, fluoropolymer coating, containing minimum [50] [70] percent PVDF resins, [custom] [____] color [to be selected from manufacturer's full color range].

**** OR ****

F.	Stainless Steel Sheet:

1.	ASTM A666, [2D] [__] conventional annealed finish, [0.015] [0.018] [__] inch thick.

2.	Recycled content: Minimum [__] percent recycled stainless steel, with minimum [__] percent classified as post consumer.

3.	Finish: [No. 4 satin.] [____.]

**** OR ****

G.	Copper Sheet:

1.	ASTM B370, [0.021] [0.027] [__] inch thick.

2.	Recycled content: Minimum [__] percent recycled copper, with minimum [__] percent classified as post consumer.

3.	Finish: [2B, bright.] [____.]

**** OR ****

H.	Zinc Sheet:

1.	ASTM B69, Type 1, alloy best suited to forming, [0.70] [__] mm thick.

Refer to VM Zinc technical literature for assistance in selected color and finish.

2.	Source: [Natural Zinc] [Quartz-Zinc] [Anthra-Zinc] [Pigmento Red] [Pigmento Green] [Pigmento Blue] [Pigmento Brown] by VM Zinc.

2.3	ACCESSORIES

A.	Underlayment:

1.	ASTM D1970; minimum 40 mil thick polymer modified asphalt laminated to polyethylene film, self adhering with release paper facing, formulated for extended high in-service temperatures up to 240 degrees F.

2.	Source:

a.	Ice and Water Shield HT by Grace Construction Products. (www.graceconstruction.com)

b.	Lastobond Shield HT by Soprema, Inc. (www.soprema.us)

B.	Clips: Series 300 stainless steel.

C.	Fasteners: Series 300 stainless steel, type best suited to application.

D.	Joint Sealers: Specified in Section [07 9200.] [__ ____.]

2.4	FABRICATION

A.	Fabricate panels from [aluminum] [galvanized steel] [precoated galvanized steel] [aluminum-zinc alloy coated steel] [precoated aluminum-zinc alloy coated steel] [stainless steel] [copper] [zinc] sheet.

Edit the following to indicate desired panel profile. Include panel size if not indicated on drawings.

B.	Fabricate panels with hemmed edges on four sides to produce single-lock flat seams in [rectangular] [diamond] [square] [rhomboid] profile, [[__ x __] inch size.] [size as indicated.]

C.	Fabricate panel units to dimensions indicated based on assumed design temperature of 70 degrees F.

D.	Form trim to profiles indicated or as required from same material as panels.

E.	Form sections true to shape, accurate in size, square, and free from distortion and defects.

PART 3	EXECUTION

3.1	INSTALLATION OF UNDERLAYMENT

A.	Starting at low edge, apply underlayment horizontally on roof.

B.	Weatherlap each sheet 4 inches over preceding sheet. Lap ends 6 inches minimum.

C.	Press to full bond with substrate without voids, wrinkles, bridging, or fishmouths. Seal ends and edges.

D.	Lap underlayment minimum 12 inches over hips and ridges from both sides.

E.	Apply 36 inch wide strip centered lengthwise over ridge.

F.	Extend minimum 4 inches up abutting vertical surfaces.

3.2	INSTALLATION OF METAL TILE PANELS

A.	Install in accordance with approved Shop Drawings.

B.	Apply panels beginning at bottom of wall.

C.	Separate dissimilar metals by use of bituminous paint or nonabsorptive gaskets.

D.	Fit flashings with square corners and surfaces true, aligned, and accurate to required profiles.

E.	Install trim to maintain visual continuity of system.

F.	Install joint sealers to prevent water penetration.

G.	Installation Tolerances:

1.	Variation from location: Plus or minus [1/4] [__] inch.

2.	Variation from plane: [1/4] [__] inch in 10 feet.

3.3	ADJUSTING

A.	Touch up field cuts and abrasions on finished surfaces to match factory finish.

END OF SECTION