SECTION 08 41 13 ALUMINUM – FRAMED ENTRANCES and STOREFRONTS

PART 1 GENERAL

1.01	Work Included

A.	Furnish and install aluminum architectural storefront system complete with hardware and related components as shown on drawings and specified in this section.

B.	All storefront systems shall be EFCO® System 401 Flush-Glazed Storefront. Other manufacturers requesting approval to bid their product as an equal must submit the following information fifteen days prior to close of bidding.
1.	A sample storefront system (size and configuration) as per requirements of architect.
2.	Test reports documenting compliance with requirements of Section 1.05.

C.	Glass
1.	Reference Section 08 81 00 for Glass and Glazing.

D.	Single Source Requirement
1.	All products listed in Section 1.02 shall be by the same manufacturer.

List work and materials related to this section but specified in other sections. EFCO recommends that one manufacturer furnish all applicable Division 8 products to ensure consistent product quality and compatibility.

1.02	Related Work

A.	Section 08 32 13 – Sliding Aluminum – Framed Glass Doors
B.	Section 08 44 13 – Glazed Aluminum Curtain Walls
C.	Section 08 44 33 – Sloped Glazing Assemblies
D.	Section 08 51 13 – Aluminum Windows
E.	Section 10 71 13 – Exterior Sun Control Devices

1.03	Items Furnished but Not Installed

1.04	Items Installed but Not Furnished

1.05	Laboratory Testing and Performance Requirements

A.	Test Units
1.	Air, water, and structural test unit size shall be a minimum of two lites high and three lites wide.

B.	Test Procedures and Performance
1.	Air Infiltration Test
a.	Test unit in accordance with ASTM E 283 at a static air pressure difference of 1.56 psf (75 Pa).
b.	Air infiltration shall not exceed .06 cfm/SF (.30 l/s•m²) of unit.
2.	Water Resistance Test
a.	Test unit in accordance with ASTM E 331.
b.	There shall be no uncontrolled water leakage at a static test pressure of 10.0 psf 
(470 Pa).
3.	Uniform Load Deflection Test
a.	Test in accordance with ASTM E 330.
b.	Deflection under design load shall not exceed L/175 of the clear span.
4.	Uniform Load Structural Test
a.	Test in accordance with ASTM E 330 at a pressure 1.5 times the design wind pressure in 1.05.B.3.b.
b.	At conclusion of the test, there shall be no glass breakage, permanent damage to fasteners, storefront parts, or any other damage that would cause the storefront to be defective.

C.	Project Wind Loads

Architect to specify design wind pressure, both positive and negative required by the governing building code, as calculated from ANSI A58.1, or as determined by boundary layer wind tunnel testing. Use 20.0 psf (958 Pa) as minimum.

1.	The system shall be designed to withstand the following loads normal to the plane of the wall:
a.	Positive pressure of   ___ psf ( ___ Pa) at non-corner zones.
b.	Negative pressure of ___ psf ( ___ Pa) at non-corner zones.
c.	Negative pressure of ___ psf ( ___ Pa) at corner zones.

1.06	Field Testing and Performance Requirements

Insert at discretion of specifier.
A.	Test in accordance with AAMA 501.2 for spray test only or AAMA 503.92 for pressurized test.

1.07	Quality Assurance

A.	Provide test reports from AAMA accredited laboratories certifying the performance as specified in 1.05.

B.	Test reports shall be accompanied by the storefront manufacturer’s letter of certification stating that the tested storefront meets or exceeds the referenced criteria for the appropriate storefront type.

1.08	References

1.09	Submittals

A.	Contractor shall submit shop drawings; finish samples, test reports, and warranties.
1.	Samples of materials as may be requested without cost to owner, i.e., metal, glass, fasteners, anchors, frame sections, mullion section, corner section, etc.

1.10	Warranties

A.	Total Storefront Installation
1.	The responsible contractor shall assume full responsibility and warrant for one year the satisfactory performance of the total storefront installation. This includes the framing, glass (including insulated units), glazing, anchorage and setting system, sealing, flashing, etc., as it relates to air, water, and structural adequacy as called for in the specifications and approved shop drawings.
2.	Any deficiencies due to such elements not meeting the specifications shall be corrected by the responsible contractor at their expense during the warranty period.

Standard warranty period is 3 years, or extended 10 years.
B.	Window Material and Workmanship
1.	Provide written guarantee against defects in material and workmanship for ___ years from the date of final shipment.

C.	Glass
1.	Provide written warranty for insulated glass units that they will be free from obstruction of vision as a result of dust or film formation on the internal glass surfaces caused by failure of the hermetic seal due to defects in material and workmanship.
2.	Warranty period shall be for 10 (ten) years.

D.	Finish
Select for Anodic Finish:  Standard warranty period is 3 years, or extended 5 years, or 10 years.
1.	Warranty period shall be for ___ years from the date of final shipment.

	OR
Select for Organic Finish:  Standard warranty period is 5 years, or extended 10 years, or 15 years, or 20 years.
1.	Warranty period shall be for ___ years from the date of final shipment.
2.	Provide organic finish warranty based on AAMA standard 2605.

PART 2 PRODUCTS

2.01	Materials

A.	Aluminum
1.	Extruded aluminum shall be 6063-T6 alloy and temper.

A complete glass description is required for the manufacturer to supply appropriate glazing gaskets even if glass and glazing is by others.  Follow local building codes regarding tempered glass.

B.	Glass
1.	Ship open for monolithic glass by others
a.	Exterior lite - ___ thick, ___ color, ___ glass (annealed, H.S. Temp), 
with a surface coating of ___ on the number ___ (1 or 2) surface.

2.02	Fabrication

A.	General
1.	All aluminum frame extrusions shall have a minimum wall thickness of .080" (2 mm).
2.	All exposed work shall be carefully matched to produce continuity of line and design with all joints. System design shall be such that raw edges will not be visible at joints.

B.	Frame
1.	Depth of frame shall not be less than 4 1/2" (114 mm).
2.	Face dimension shall not be less than 1 3/4" (44 mm).
3.	Frame components shall be screw spline construction.

C.	Glazing
1.	All units shall be “dry glazed" with gaskets on both exterior and interior of the glass.

2.03.1	Finishes

Geographic Location and Color Selection determine Chemistry Formulation. Not all Colors are available in every Chemistry. Please consult with manufacturer prior to specification to ensure efficacy of proposed finish.

1.	Anodic 
a. 	Finish all exposed areas of aluminum windows and components with electrolytically-  deposited color in accordance with Aluminum Association Designation.

2.   Organic 
a.	Liquid Fluoropolymer Aluminum Extrusion Coatings, AAMA 2605-20:  Minimum 70 percent PVDF resin by weight, in color coat [and clear topcoat, if required]. Color as selected from one of the following:
I.	EFCO Ultrapon Color Card
II.	Sherwin-Williams Coil Coatings Fluropon Color Card – [Fluropon] [Fluropon Classic] [Fluropon Classic II] [Fluropon Premiere] 
III.	Sherwin-Williams Coil Coatings Metal Trends Color Card - Sherwin-Williams Coil Coatings Fluropon Color Card – [Fluropon] [Fluropon Classic] [Fluropon Classic II] [Fluropon Premiere] 

PART 3 EXECUTION

3.01	Inspection

A.	Job Conditions
1.	Verify that openings are dimensionally within allowable tolerances, plumb, level, clean, provide a solid anchoring surface, and are in accordance with approved shop drawings.

Insert at discretion of specifier

2.	Provide for manufacturer representation to conduct pre-installation site meeting.

3.02	Installation

A.	Use only skilled tradesmen with work done in accordance with approved shop drawings and specifications.

B.	Storefront system shall be erected plumb, true and in proper alignment and relation to established lines and grades.

C.	Entrance doors shall be securely anchored in place to a straight, plumb, and level condition, without distortion. Weather stripping contact and hardware movement shall be checked and final adjustment made for proper operation and performance of units.

D.	Furnish and apply sealing materials to provide a weather tight installation at all joints and intersections and at opening perimeters.

E.	Sealing materials specified shall be used in strict accordance with the manufacturer‘s printed instructions, and shall be applied only by mechanics specially trained or experienced in their use. All surfaces must be clean and free of foreign matter before applying sealing materials. Sealing compounds shall be tooled to fill the joint and provide a smooth finished surface.

3.03	Anchorage

A.	Adequately anchor to maintain positions permanently when subjected to normal thermal movement, specified building movement, and specified wind loads.

3.04	Protection and Cleaning

A.	The general contractor shall protect the aluminum materials and finish against damage from construction activities and harmful substances. The general contractor shall remove any protective coatings as directed by the architect, and shall clean the aluminum surfaces as recommended for the type of finish applied.
B.	A bi-annual sweetwater rinse is recommended to prohibit dirt, dust, and debris from accumulation on the surface of the coating and to help maintain the aesthetic of the coating.

EFCO is a registered trademark of EFCO Corporation. Ultrapon is a trademark of EFCO Corporation.