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SECTION 08520 -
ALUMINUM WINDOWS
Part 1 GENERAL
1.1 SECTION
INCLUDES
A. Aluminum windows.
B. Installation
1.2
RELATED SECTIONS
A.
Section 07920 – Joint Sealants.
B.
Section 08585 - Security
Window Screens: Security and protective
screens.
1.3 REFERENCES
A. AAMA/WDMA/CSA 101/I.S.2/A440-05 – Standard/Specification
for windows, doors, and unit skylights.
B. AAMA 502-08 - Voluntary Specification for
Field Testing of Newly Installed Fenestration Products.
C. AAMA 611 – Voluntary Specification for
Anodized Architectural Aluminum.
D. AAMA
1302.5 - Voluntary Specifications for Forced-Entry Resistant Aluminum Prime
Windows.
E. AAMA
1503 - Voluntary Test Method for Thermal
Transmittance and Condensation Resistance of Windows, Doors and Glazed Wall
Sections.
F. AAMA
1504 - Voluntary Standard for Thermal Performance of Windows, Doors and Glazed
Wall Sections.
G. AAMA
2603 - Voluntary Specification, Performance Requirements and Test Procedures
for Pigmented Organic Coatings on Aluminum Extrusions and Panels.
H. AAMA
2604 - Voluntary Specification, Performance Requirements and Test Procedures
for High Performance Organic Coatings on Aluminum Extrusions and Panels.
I. AAMA
2605 - Voluntary Specification, Performance Requirements and Test Procedures
for
Superior
Performing Organic Coatings on Aluminum Extrusions and Panels.
J. AAMA
CW-10 – Care and Handling of Architectural Aluminum from Shop to Site.
K. ASTM
E 283 - Standard Test Method for Determining Rate of Air Leakage Through
Exterior Windows, Curtain Walls, and Doors Under Specified Pressure Differences
Across the Specimen.
L. ASTM
E 330 - Standard Test Method for Structural Performance of Exterior Windows,
Doors, Skylights and Curtain Walls by Uniform Static Air Pressure Difference.
M. ASTM E 331 - Standard Test Method for Water
Penetration of Exterior Windows, Skylights, Doors, and Curtain Walls by Uniform
Static Air Pressure Difference.
N. ASTM
E 547 - Standard Test Method for Water Penetration of Exterior Windows,
Skylights, Doors, and Curtain Walls by Cyclic Static Air Pressure Differential
O. ASTM
E 774 - Standard Specification for the Classification of the Durability of
Sealed Insulating Glass Units.
P. ASTM
F 588 - Standard Test Methods for Measuring the Forced Entry Resistance of
Window Assemblies, Excluding Glazing Impact.
Q. IGCC
- Insulating Glass Certification Council.
R. NFRC
100 - Procedure for Determining Fenestration Product U-Factors.
S. NFRC 200 – Procedure for Determining
Fenestration Product Solar Heat Gain Coefficient and Visible Transmittance at
Normal
Incidence.
1.4 PERFORMANCE
REQUIREMENTS
A. Windows shall conform to DAW-HC40
specifications in AAMA/WDMA/ CSA 101/I.S.2/A440-05
when tests are performed on a 60” x 99” test unit with the following results:
1. Air Infiltration: Maximum 0.10 cfm/ft² when
tested per ASTM E 283 at a static air pressure difference of 6.2 psf (50 mph).
2. Water penetration: No uncontrolled water
leakage when tested per ASTM E 547 and ASTM E 331 at a static air pressure
difference of 8.00 psf.
3. Uniform Load Deflection: no more than
L/175 when tested per ASTM E330 at a static air pressure difference of 40 psf.
3. Uniform Structural Load: No glass
breakage or permanent damage to fasteners, and maximum 0.4 percent permanent
deformation of the span of any frame member when tested per ASTM E 330 at a
static air pressure difference of 60 psf.
4. Forced Entry: No entry shall be achieved
when tested to ASTM F 588 standard test methods for measuring the forced entry
resistance of window assemblies, excluding glazing impact. Unit shall pass
sequence of: Type B Grade10.
B. Thermal performance in accordance with NFRC
100-97, for a 48” x 72” window unit glazed with a 1” IGU with 1/4” Clear lites,
Softcoat low E, warm edge spacer and argon fill.
1. U-Factor for the entire window shall be:
0.35.
2. Solar Heat
Gain Coefficient shall be: 0.28
(Contact
your Keystone Representative for data on different types of glazing. Note: select the appropriate glazing makeup
to achieve the specified ratings).
1.5 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's specifications and test
reports from an AAMA accredited laboratory on each product to be used,
including:
1. Preparation
instructions and recommendations.
2. Storage
and handling requirements and recommendations.
3. Installation
methods.
C. Shop Drawings: Window location chart;
typical window elevations; details of assemblies, hardware and glazing details
for factory-glazed units.
D. Selection Samples: For each finish product specified, two
complete sets of color chips representing manufacturer's full range of
available colors and patterns.
E. Verification Samples: For each finish product specified, two
samples, minimum size 6 inches (150 mm) square representing actual product,
color, and patterns.
1.6 QUALITY
ASSURANCE
A. Installer Qualifications: Install windows
in accordance with manufacturer's recommendations and approved shop drawings
with skilled craftspeople who have demonstrated a successful history of
installing windows for (5) years.
1.7 DELIVERY,
STORAGE, AND HANDLING
A. Store products in manufacturer's unopened
packaging until ready for installation.
B. Store and dispose of solvent-based
materials, and materials used with solvent-based materials, in accordance with
requirements of local authorities having jurisdiction.
1.8 PROJECT
CONDITIONS
A. Maintain environmental conditions
(temperature, humidity, and ventilation) within limits recommended by
manufacturer for optimum results. Do not
install products under environmental conditions outside manufacturer's absolute
limits.
1.9 WARRANTY
A. Manufacturer shall provide a warranty
against the following defects:
[Contact Keystone
Industries for information on extended warranties]
1. Windows: Warrant for (one) year against defects in material or workmanship
under normal use.
2. Insulating Glass Units: Warrant seal for (five) years against visual obstruction from film
formation or moisture collection between internal glass surfaces, excluding
that caused by glass breakage or abuse.
3. Paint Finish: Warrant for (five) years against chipping, peeling or cracking.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable Manufacturer: Keystone
Industries; Toll Free Tel: 800-648-8341; Fax: 724-658-0589; Web: www.keystone-industries.com
B. Requests for substitutions will be
considered in accordance with provisions of Section 01600.
2.2 CONFIGURATION
A. Dual action aluminum window units
manufactured by Keystone Industries.
1. AAMA
Designation: DAW-HC40.
2. Windows: 2-3/4 inches minimum frame
depth; extruded aluminum with dual strut glass reinforced polyamide nylon thermal
break frame; finish factory-applied; frames and sash factory-assembled.
3. Glazing: EPDM Preset glazing
gasket is fitted in the frame and sash to allow for one piece continuous
strip. Aluminum glazing beads are fitted
from the interior and allow for EPDM wedge gasket.
4. Weatherstrip: EPDM center gasket with vulcanized corners
allowing a continuous piece which covers the thermal break and enables pressure
equalization while the unit is closed. EPDM hollow bulb wraps around the perimeter of the sash on the interior.
5. Hardware: Clamp-in, aluminum hinges rotate vent inward on horizontal axis (PIT)
and vertical axis (casement). Operating
handle shall activate Euro-Groove hardware assembly with corner transmission
and multiple locking points which engage adjustable keepers. Hardware shall have the capability to be
repaired and/or replaced in the field without disassembly of sash and/or frame.
6. Screens: Optional screen track is mounted on
exterior. Extruded tubular aluminum
frame is side loaded into track and finished to match exterior of window in
color. Corners are mitered and gussets are used to assemble. 18 x 16 dark fiberglass [aluminum] mesh is held in
place by PVC spline. (Note: Delete this
paragraph and renumber if insect screens are not required)
7. Insulating
Glazing:
a. Exterior Lite: (thickness/strength/tint/coating).
b. Airspace: (.xxx) inches 90
percent (Air or Argon) filled.
c. Interior Lite: (thickness/strength/pattern/coating).
d. Spacer: (Super Spacer, Stainless Steel).
2.3 FINISH
A. Application: On clean extrusions free from
serious surface blemishes; on exposed surfaces visible when installed product's
operating sash are closed.
B. High-Performance Coatings:
1. Exterior Finish: (PPG
DURANAR™ complying with AAMA 2605 or PPG ACRYNAR FX™ complying with AAMA 2604
or PPG DURACRON™ complying with AAMA 2603 including 1 year
Florida
exposure and 1500 hours humidity
tests or Clear Anodized conforming to AAMA 611 or Color Anodized complying with
AAMA 611).
2. Interior Finish: (PPG
ACRYNAR FX™ complying with AAMA 2604 or PPG DURACRON™ complying with AAMA 2603
including 1 year
Florida
exposure and 1500 hours humidity tests or Clear Anodized conforming to AAMA 611
or Color Anodized complying with AAMA 611).
3. Pretreatment: Five-stage; zinc chromate
conversion coating.
4. Application: Electrostatic spray and oven
bake by approve applicator.
5. Exterior Color: (Chosen
from Manufacturer's standard colors or Custom color or Exotic color).
6. Interior
Color: (Chosen from Manufacturer's standard colors or Custom
color or Exotic color).
2.4 MATERIALS
A. Aluminum Extrusions: Produced from
commercial quality 6063-T5 alloy; free from defects impairing strength.
B. Sheet Material: Extruded aluminum; nominal
.062 inch (1.6 mm) wall; with exposed surfaces finished to match window color
and finish performance; concealed fasteners; required weather seals; designed
for unrestricted expansion and contraction.
C. Exterior Trim: Provide (wrap around panning, preset panning; two-piece mullion
cover; two-piece head and jamb receptor with thermal break; sub-sill with
thermal break and end dams; sill cover; slip-on expanders) as indicated.
D. Interior Trim: Provide (two-piece
snap trim; stool cover as indicated.
E. Mullions:
Provide thermally broken stack; offset stack and three-piece) as
indicated.
2.5 FABRICATION
A. Window Construction:
1. Frame construction: Frame shall be
constructed of extruded aluminum with 2 thermal struts, consisting of glass
reinforced polyamide nylon, mechanically crimped in raceways extruded in the
exterior and interior extrusions. Corners shall be double keyed, staked and
sealed.
2. Vent construction: The vent shall be
constructed of extruded aluminum with 2 thermal struts, consisting of glass
reinforced polyamide nylon, mechanically crimped in raceways extruded in the
exterior and interior extrusions. The corners shall be double keyed, staked and
sealed.
3. Water control: A 1” wide by 1/8” high
weep flap shall be located 3”from each end of the sill for drainage.
4. Operable and fixed sash shall be
reglazable without dismantling or removing the sash and without the use of
special tools. Sash and frame shall be
dry glazed to simplify reglazing. Exterior of sash and frame shall contain a continuous preset EPDM
gasket. Interior of frame and sash shall
contain a removable wedge gasket.
PART 3 EXECUTION
3.1 EXAMINATION
A. Verify openings are in tolerance, plumb,
level and provide for secure anchorage in accordance with approved shop
drawings.
B. If opening preparation is the
responsibility of another installer, notify Architect of unsatisfactory
preparation before proceeding.
3.2 PREPARATION
A. Prepare openings using the methods
recommended by the manufacturer for achieving the best result for the substrate
under the project conditions.
3.3 INSTALLATION
A. Install windows in accordance with manufacturer’s
recommendations and approved shop drawings with skilled craftspeople who have a
successful history of installing windows in similar applications for a minimum
of (five) years.
B. Provide required support and securely
fasten and set windows plumb, square, and level without twist or bow.
C. Apply sealant per sealant manufacturer's
recommendations at joints, wipe off excess, and leave exposed sealant surfaces
clean and smooth.
3.4 FIELD TESTING (Optional – if deleted renumber paragraphs)
A. Test installed
units in conformance with AAMA 502-08 for air and water infiltration with the
window manufacturer, contractor, and owner present.
B. Select test
units as directed by the owner's representative and use an AAMA accredited
laboratory provided by the owner or contractor.
3.5 PROTECTION
A. Adjust windows as necessary for smooth and
weather tight operation, and leave windows clean and free of construction
debris.
B. Protect installed products until
completion of project.
C. Touch-up, repair or replace damaged
products before Substantial Completion.
END OF SECTION
