Specification

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Section 07415 - Acrystone® Mineral-Filled Continuous Cast Acrylic Solid Surface Panels

PART 1 - GENERAL

1.01 - References

A. The General Conditions, as may be listed in the table of contents, shall be included in and made part of this section.

1.02 - Scope of Work

A. Furnish all labor and materials necessary to complete the fabrication and installation of Acrystone mineral filled acrylic solid surface panels indicated on the project drawings and as specified herein.

B. Acrystone Panels are hereby defined as Acrystone mineral filled continuous cast acrylic solid surface panels including panel along with an attachment system provided by an approved panel fabricator and panel installer.

C. The work section consists of the following general categories of work:

1. Exterior Building Skin: Spandrels, Parapets, Soffits, Copings and Canopies

2. Exterior Column Covers: Circular, Elliptical, Rectangular and Square.

3. Interior Cladding: Beams, Walls, Columns and Ceilings

D. Silicone Sealant or Gaskets as per details, for a complete panel system shall be part of this section. Silicone Sealant or Gasket type to be recommended by the panel system fabricator, supplied and installed by the panel installer. Color to be selected by the architect from manufacturer’s standard color selector card. All surfaces to be cleaned and/or primed per recommendations of the sealant manufacturer prior to sealant installation.

E. Metal stud framing and furring(16-gauge minimum) as may be required for the support of the wall panel wall is to be supplied and installed under the related specification.

1.03 - Related Work Under Other Sections

A. The following items of related work, specified in other sections, are not included.

1. Structural Steel

2. Metal Stud Framing Systems

3. Gypsum Wallboard Systems

4. Flashings

5. Aluminum Curtainwall; Window Frames

6. Glass and Glazing

7. Insulation and safing

8. Caulking and Sealants, except as noted in 1.02D above.

1.04 - Submittals

A. Shop Drawings: Submit complete shop drawings for all work of this section through the general contractor for approval, including large scale details of construction and showing the method of installation and attachment to the building’s supporting structure.

B. Submit samples of typical Acrystone panels, of thickness and specified color.

C. Submit Acrystone product data, consisting of: product description, specification, and care & maintenance recommendations.

D. Submit panel system fabricator’s installation manual, indicating the procedures to be followed by the installer in forming, sealing and installing the attachment system.

1.05 - Performance:

This is a performance specification. Panel systems that are not in compliance with the required performance standards listed herein are unacceptable. Note: The listing of a product name, system, or fabricator does not constitute approval unless all performance criteria are met.

A. The Contractor must provide a solid surface panel system to specified resistance to air and water infiltration and structural deflection, when installed.

B. Structural Deflection: Deflection of perimeter framing members shall not exceed L/175 of span length or 3/4 inches, whichever is less; and there shall be no permanent set in excess of .100 inches.

C. Performance Test Standards:

1. Static Air Infiltration (ASTM E283-84) shall be tested at 6.24 psf. Air infiltration shall not exceed 0.06 cfm per square foot for the fixed wall.

2. Static Water Infiltration(ASTM E331-83) shall be tested at 6.24 for a wet silicone sealant or gasketed system, with a spray rate of five gallons per hour per square foot minimum for 15 minutes. There shall be no uncontrolled water infiltration on room side.

3. Structural Performance (ASTM E330) shall be tested in accordance with a design pressure of prevailing code or 25 psf minimum. Deflection limitations as listed previously(1.05B). After initial test, test at 150% of design pressure. There shall be no permanent deformation exceeding L/240 or failure to structural members allowed.

4. Fire Performance Characteristics:

The contractor shall provide test report on the panel material in accordance with ASTM E-84 class 1 rating.

1.06 - Quality Assurance

A. The panel system fabricator shall be approved by the panel manufacturer.

B. The panel system fabricator shall have a minimum of ten(10) years experience in the fabrication and engineering of wall cladding systems.

C. The panel system installer shall be responsible for a complete, sealed and weather tight installation.

D. The panel system fabricator will prepare the shop drawings in accordance with their standard published product data and criteria established by others.

In the interest in maintaining job schedules, the panel system fabricator will fabricate all of the materials from the approved set of shop drawings.

1.07 - Product Delivery, Storage & Handling

A. All materials under this section shall be packaged, boxed, wrapped or otherwise protected to assure complete protection from damage during shipment.

B. Materials shall be stored in interior spaces or above ground under protective and ventilated covers.

C. This contractor shall be responsible for the proper storage and handling. Extra protective measures shall be taken to assure that panel edges are secured from damage at all times.

1.08 - Coordination

A. The general contractor and the contractor responsible for the work of this section shall coordinate the work of this section with work of other trades affecting, or affected by, this work to assure the steady progress of all the work of the contract.

B. Before proceeding with installation, the general contractor shall require the installer to inspect all project conditions affecting the work of this section to assure that all such conditions and work are suitable to satisfactorily receive the work of this section.

1.09 - Warranty

A. The panel system fabricator will warrant that the system it supplies will be free from defects for a period of one year.

B. Aristech Acrylics LLC will provide the standard warranty on Acrystone Wall Cladding sheets. The color of the sheets will not fade or change more than 5E CiE units over a ten year period.

PART 2 - PRODUCTS

2.01 - ACRYSTONE continuous cast mineral filled acrylic solid surface sheets manufactured by:

Aristech Acrylics LLC, Florence KY, (800) 354-9858

No substitutions.

2.02 - Materials

A. The drawings and specifications are based on a 1/4" thick solid surface panels with a mechanical/structural silicone type attachment method.

B. Composition Acrystone panels are continuous cast mineral filled acrylic.

C. Panel color to be selected by the architect from the Acrystone standard color offering or a custom color determined by the architect. The finish is a sanded matte finish with a renewable surface. The surface can be renewed by a light sanding to remove stains that do not wash off such as graffiti, scratches and other types of surface damage.

D. Manufacturers standard color shall be________________.

2.03 - Panel System Performance Requirements

A. The panel system is to be either wet sealed or gasketed with aluminum extrusion attachment system as indicated in the details.

B. Panel system to be field sealed between the panels as specified in the related section.

C. Detail and fabricate panels to the sizes, configurations and layouts as shown on the approved shop drawings. Panel system fabricator’s shop drawings will provide for flat panel surfaces within the tolerances and of the panel manufacturer and meet the specifications in section 1.05C.

D. Fabricate all materials in accordance with the approved shop drawings.

E. Panels shall be marked to coordinate with the approved shop drawings.

PART 3 - EXECUTION

3.01 - Preparation

A. Installer shall examine all surfaces and conditions which the work of this section is to be applied and notify the general contractor, in writing of any defects which would be detrimental to proper installation and alignment of the work. No work shall be erected until all discrepancies have been resolved. Application of materials constitutes acceptance of subsurfaces and conditions.

3.02 - Installation

A. Typically, all solid surface panels will be shipped with extrusion mountings completely fabricated and ready for installation.

B. Install solid surface panels system in accordance with the panel system fabricator’s approved shop drawings as illustrated in the fabricator’s panel system "Installation Instruction Manual"

C. Erect and securely anchor all panels plumb, level, square and true to line in accordance with approved shop drawings, unless otherwise noted on the approved shop drawings.

D. Tolerances: Maximum deviation from vertical and horizontal alignment of erected panels shall not exceed 1/8" inch per 12 foot length of an member, or 1/4" in any total run in any line.

E. Use concealed fastening system of non corrosive type fasteners as recommended by the panel system manufacturer. These fasteners to occur under all sealant joints. No exposed, visible fasteners are permitted.

F. Provide for necessary structural movement as indicated on the approved shop drawings.

G. Gasket/Sealant at all panel joints to be installed as part of the related specifications.

1. Installer to clean and/or prime metal surfaces as recommended by sealant manufacturer. Use silicone sealants only. Finish sealant joints to have clean edges.

H. Remove protective film from panel faces immediately upon completion of panel installation.

3.03 - Panel Attachment System.

A. Attachment system includes:

1. Fabricated Acrystone panels.

2. Attachment System

3 Weather sealant between adjacent panels

B. Attachment system does not include:

1. Flashings

2. Stud framing members required for panel systems support.

3. Insulation

4. Wood blocking & furring

5. Sheathing and gypsum drywall

6. Sealants and primers

C. Vapor Barrier

The designed system is a sealed weather tight system. The building envelope shall include a continuous vapor barrier system to prevent conditioned air from reaching the interior panel surfaces and forming condensation.

D. Sealant Joints

1. Joint width to be ½" (+/- 1/16")

2. All surfaces to be cleaned and/or primed per recommendations of sealant manufacturer.

E. Panel Protection

1. Panels to be covered with a protective film during fabrication and erection.

2. Film is to be removed and disposed of immediately after panel installation. Any final cleaning and protection necessary then becomes the responsibility of the general contractor.

F. Fasteners

1. Fasteners exposed to the atmosphere to be stainless steel or equivalent.

G. Installation

1. Panel installation to be performed by workers with commercial panel installation experience.

2. Sealant to be installed by the same workmen above or an independent caulking contractor with architectural panel caulking experience.

3.05 - Glazing System

A. See Section 08800 - Glazing for coordination of this work

3.06 - Clean-Up

A. Upon completion, remove and legally dispose of all trash and debris resulting from operations of this section into general contractors trash containers.

End of Section

Note to the Architect:

"Aristech Acrylics LLC(Aristech Acrylics") developed this specification to assist architects in preparing a specification for the use of Acrystone mineral filled continuous cast acrylic solid surface panels. It is intended only as an example. One cannot assume that all necessary elements are contained herein or that additional elements may not be required under particular or exceptional conditions or circumstances. It is the architect’s responsibility to prepare a specification that meets all code requirements and is appropriate for the scope of work .

Aristech acrylics does not make any warranty, guarantee or representation, either express or implied, as to the accuracy and/or completeness of this specification and any information contained herein. Aristech Acrylics does not assume any liability of any kind whatsoever resulting from the use of or reliance upon any information contained in this specification."