Ruskin Manufacturing	September 1996
3900 Dr. Greaves Road
Kansas City, Missouri  64030
Phone		(816) 761-7476
Fax		(816) 765-8955

Product Guide Specification

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Specifier Notes:  This product guide specification is written according to the Construction Specifications Institute (CSI) MasterFormat, Three-Part SectionFormat, and PageFormat, contained in the CSI Manual of Practice.  Five-digit section numbers are from MasterFormat, 1995 edition.

The section must be carefully reviewed and edited by the Architect to meet the requirements of the project and local building code.  Coordinate with other specification sections and the drawings.

Delete all "Specifier Notes" when editing this section.
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SECTION 10240

EXTRUDED ALUMINUM GRID SCREENS

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Specifier Notes:  This section covers Ruskin Manufacturing extruded aluminum grid screens, Model EG100.  Consult Ruskin for assistance in editing this section for specific applications.
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PART 1	GENERAL

1.1	SECTION INCLUDES

A.	Extruded aluminum grid screens.

1.2	RELATED SECTIONS

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Specifier Notes:  Edit the following list as required for the project.  List other sections with work directly related to the grid screens.
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A.	Section 05100 - Structural Metal Framing.

B.	Section 09910 - Paints.

1.3	REFERENCES

A.	AAMA 605.2 - High Performance Organic Coatings on Architectural Extrusions and Panels.
1.4	SUBMITTALS

A.	Comply with requirements of Section 01330 - Submittal Procedures.

B.	Product Data:  Submit manufacturer's product data.

C.	Shop Drawings:  Submit shop drawings indicating materials, dimensions, accessories, and installation details.

D.	Samples:  Submit sample of grid screen to show blades, fasteners, accessories, finish, and color.

1.5	DELIVERY, STORAGE, AND HANDLING

A.	Delivery:  Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly indicating manufacturer and material.

B.	Storage:  Store materials in a dry area indoors, protected from damage and in accordance with manufacturer's instructions.

C.	Handling:  Protect materials and finishes during handling and installation to prevent damage.

PART 2	PRODUCTS

2.1	MANUFACTURER

A.	Ruskin Manufacturing, 3900 Dr. Greaves Road, Kansas City, Missouri 64030.  Phone (816) 761-7476.  Fax (816) 765-8955.

2.2	EXTRUDED ALUMINUM GRID SCREENS

A.	Fabrication:
1.	Model:  EG100.
2.	Blades:
a.	Style:  Grid.
b.	Material:  Extruded aluminum, Alloy 6063-T5.
c.	Wall Thickness:  As specified, 0.081 inch (2.1 mm) to 0.125 inch (3.2 mm), nominal.
d.	Grid:  As specified, 2 inches (51 mm) to 12 inches (305 mm) x 2 inches (51 mm) to 12 inches (305 mm).
e.	Depth:  As specified, 1 inch (25 mm) to 6 inches (152 mm).			
3.	Fasteners:  Concealed anchorage, not visible on exterior face of screen.

2.3	ACCESSORIES

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Specifier Notes:  Consult Ruskin for assistance in specifying accessories for specific applications.
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A.	Flange:  Perimeter.
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Specifier Notes:  Consult Ruskin for assistance in selecting from bird and insect screens for specific applications.
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B.	Bird Screens:

C.	Insect Screens:

2.4	FACTORY FINISH

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Specifier Notes:  Specify one of the following factory finishes and delete the others.  Mill finish is standard.  Consult Ruskin for assistance in choosing factory finish for specific applications.
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A.	Standard mill finish.

B.	Kynar 500 Fluoropolymer Coating:
1.	Conform to AAMA 605.2.
2.	Apply coating following cleaning and pretreatment.
3.	Cleaning:  AA-C12C42R1X.
4.	Dry grid screens before final finish application.
5.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes.

C.	Modified Fluoropolymer (50 Percent Kynar) Coating:
1.	Conform to AAMA 605.2.
2.	Apply coating following cleaning and pretreatment.
3.	Cleaning:  AA-C12C42R1X.
4.	Dry grid screens before final finish application.
5.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes.

D.	Acrodize Fluoropolymer Coating:
1.	Conform to AAMA 605.2.
2.	Apply coating following cleaning and pretreatment.
3.	Cleaning:  AA-C12C42R1X.
4.	Dry grid screens before final finish application.
5.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes.

E.	Color Anodize Finish:
1.	Comply with Aluminum Association AA-C22A44.
2.	Apply finish following chemical etching and pretreatment.
3.	Electrolytically deposited color anodized finish.
4.	Minimum Thickness:  0.7 mils (0.018 mm).

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Specifier Notes:  Choose one of the following two clear anodize finishes and delete the other. Clear anodize is available in 2 surface depths.  Clear anodize finish 204-R1 is recommended for normal weather exposure.  Clear anodize finish 215-R1 is recommended for severely corrosive or abrasive atmosphere exposure.  Consult Ruskin for assistance in specifying clear anodize for specific applications.
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F.	Clear Anodize Finish:
1.	Comply with Aluminum Association AA-C22A31.  Clear anodize finish 204-R1.
2.	Apply finish following chemical etching and pretreatment.
3.	Minimum Thickness:  0.4 mils (0.01 mm), 30 minute anodizing process.

G.	Clear Anodize Finish:
1.	Comply with Aluminum Association AA-C22A41.  Clear anodize finish 215-R1.
2.	Apply finish following chemical etching and pretreatment.
3.	Minimum Thickness:  0.7 mils (0.018 mm), 60 minute anodizing process.

H.	Prime Coat:
1.	Apply alkyd prime coat following chemical cleaning and pretreatment.
2.	Primer preparation for field painting.

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Specifier Notes:  Consult Ruskin color selection chart for standard color samples.  Ruskin can match most custom colors in Kynar based paint.
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I.	Color for Fluoropolymer Coating:  Color as selected by Architect from manufacturer's standard colors.

J.	Color for Anodize Finish:  [Black] [Clear Anodize] [Dark Bronze] [Medium Bronze].

PART 3	EXECUTION

3.1	EXAMINATION

A.	Inspect areas to receive grid screens.  Notify the Architect of conditions that would adversely affect the installation or subsequent utilization of the grid screens.  Do not proceed with installation until unsatisfactory conditions are corrected.

3.2	INSTALLATION

A.	Install grid screens at locations indicated on the drawings and in accordance with manufacturer's instructions.

B.	Install grid screens plumb and level, with blades horizontal and vertical.

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Specifier Notes:  Specify field topcoat if prime coat is specified in PART 2 - PRODUCTS.
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C.	Apply field topcoat within 6 months of application of shop prime coat.  Apply field topcoat as specified in Section 09910.

3.3	CLEANING

A.	Clean grid screen surfaces in accordance with manufacturer's instructions.

B.	Repair minor damaged surfaces as directed by Architect.

END OF SECTION