SECTION 08520 ALUMINUM WINDOWS - SERIES 1150S Thermal AW/HC - Part 1 General

Oct 29, 2026

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Specification section for SERIES 1150S Thermally Improved aluminum architectural windows (Thermal AW/HC), covering scope, furnished/installed items, related work references, required submittals, and delivery/handling. Defines testing and performance requirements including ANSI/AAMA/NWWDA 101/I.S.2-97 plus air infiltration, water resistance, uniform load deflection and structural tests, condensation resistance, thermal transmittance (U-value), and life-cycle testing. Includes quality assurance via AAMA-accredited laboratory test reports and manufacturer certification letters, and sets one-year warranty responsibilities for the total window system performance.

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SECTION 08520 ALUMINUM WINDOWS

SERIES 1150S Thermal AW/HC

PART 1 GENERAL

1.01 Work Included

1.02 Related Work

1.05 Testing and Performance Requirements

1.06 Quality Assurance

1.08 Submittals

1.09 Delivery, Storage, and Handling

1.10 Warranties

PART 2 PRODUCTS

2.01 Materials

1150S Series 2” Heavy Commercial Thermally Improved Window SECTION 08520 ALUMINUM WINDOWS SERIES 1150S Thermal AW/HC Grade Windows PART 1 GENERAL 1.01 Work Included A. Furnish and install aluminum architectural windows complete with hardware and all related components as shown on drawings and specified in this section. Insert 1150S Series Thermal. B. All windows shall be Winco (1150S) AW/HC . 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 window (size and configuration) as per requirements of architect. 2. Detail cuts and product data. 3. Test reports documenting compliance with requirements of section 1.05. C. Glass and Glazing 1. All units shall be factory glazed. -OR- 1. Reference Section 08800 for Glass and Glazing. 1.02 Related Work A. Section 08400-Entrance and Storefronts B. Section 08480-Balanced Door Assemblies C. Section 08640-Glazed Patio Doors D. Section 08652-Replacement Windows E. Section 08900-Glazed Curtain Walls F. Section 08960-Slope Glazing System G. Section 07900-Caulking and Sealants 1.03 Items Installed But Not Furnished 1.04 Items Installed But Not Furnished 1.05 Testing and Performance Requirements A. Test Units 1. Air, water, and structural test unit shall conform to requirements set forth in ANSI/AAMA/NWWDA 101/I. S.2-97. B. Test Procedures and Performances 1. All windows shall conform to ANSI/AAMA/NWWDA 101/I.S.2-97requirements for referenced window type in section 1.01B. In addition, the following specific performance requirements shall be met. 2. Air Infiltration Test a. With window sash and ventilators closed and locked, test unit in accordance with ASTM E 283 at static air pressure of 6.24 psf. b. Air infiltration shall not exceed .1 cfm per square foot. 3. Water Resistance Test a. With window sash and ventilators closed and locked, test unit in accordance with ASTM E 331 at static pressure difference of psf. b. There shall be no uncontrolled water leakage. 4. Uniform Load Deflection Test a. With window sash and ventilators closed and locked, test unit in accordance with ASTM E 330at a static air pressure difference (positive and negative) of psf. b. During the course of the test, no member shall deflect more than 1/175 of its span. 1150S Series 2” Heavy Commercial Thermally Improved Window 5. Uniform Load Structural Test a. With window sash and ventilators closed and locked, test unit in accordance with ASTME 330 at a static air pressure difference of psf. b. At conclusion of test there shall be no glass breakage, permanent damage to fasteners, hardware parts, support arms or actuating mechanisms, nor any other damage, which would cause the window to be inoperable. 6. Condensation Resistance Test (CRF) a. With window sash closed and locked, test unit in accordance with AAMA 1503.1. b. Condensation Resistance Factor (CRF) shall not be less than . 7. Thermal Transmittance Test (Conductive U-Value) a. With window sash closed and locked, test unit in accordance with AAMA 1503.1. b. Conductive thermal transmittance (U-Value) shall not be more than BTU/hr/sf/ per degrees F. 8. Life Cycle Test a. Tested in accordance with AAMA 910, there shall be no damage to fasteners, parts, support arms, activating mechanisms, or any other damage, which would make the window inoperable. Subsequent air infiltration and water resistance tests shall not exceed specified requirements .*=For certified test reports consult Winco. 1.06 Quality Assurance A. Provide test reports from AAMA accredited laboratory certifying the performance as specified in Section 1.05. B. Test reports shall be accompanied by the window manufacturer’s letter of certification stating that the tested window meets or exceeds the afore mentioned criteria for the appropriate ANSI/AAMA/NWWDA 101/I. S.2-97.

FAQs

What scope of work does this section require for SERIES 1150S Thermal AW/HC windows?

Furnish and install aluminum architectural windows with hardware and all related components as shown and specified, including compliance with the outlined testing, submittals, and warranty expectations.

Which standards and tests are required to demonstrate window performance?

Test units must conform to ANSI/AAMA/NWWDA 101/I.S.2-97 and then meet specific requirements for air infiltration (ASTM E 283), water resistance (ASTM E 331), uniform load deflection and structural tests (ASTM E 330), plus condensation resistance (AAMA 1503.1), thermal transmittance (U-value), and life-cycle testing (AAMA 910).

What quality assurance and warranty documentation is required?

Provide AAMA-accredited laboratory test reports and a manufacturer certification letter stating the tested window meets or exceeds the specified criteria. The responsible contractor warrants one year for satisfactory performance of the total window system, including hardware, glass, glazing, anchorage, sealing, and related adequacy.

Oct 29, 2026

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