Series 3450 Thermal Commercial • Series 3460 Thermal Architectural Grade 3 1⁄4” Thermal Single Hung Window

Product catalog summary

Frame Specifications:
The frame has a depth of 3 1/4 inches with a nominal wall thickness of 0.062 inches, providing options for glass and panel configurations. It includes continuous interlock meeting rails for increased configuration options and accommodates 1/4 inch or 1 inch glass for expanded design and energy-saving options. An integral transom with various glazing options simplifies installation and reduces costs.

Weather Protection:
The sash and sash guide are weather-stripped for better protection against water infiltration. Screen frames are made of extruded aluminum alloy, offering durability.

Customization and Finishes:
Accessory options include subframes, mullions, muntins, and architectural sills, allowing for custom designs. Anodized or painted finishes are available to address economic and aesthetic concerns.

Configurations and Ratings:
The product family includes single hung windows with AAMA Commercial and Architectural grade ratings. It is suitable for various applications, including historical replication and new construction, with multiple glazing options for design flexibility. The Series 3450 and 3460 offer thermal commercial and architectural grade options, respectively.

Performance Data:
The Series 3450 has a commercial grade AAMA rating of CW 35, while the Series 3460 has an architectural grade rating of AW 45. Both series have air infiltration rates of less than 0.30 CFM/sf at 6.24 psf and no leakage at 8.0 psf. The CRF-frame and CRF-glass ratings are 44 and 59, respectively.

Frame and Sash Construction:
Frames are constructed from 6063-T6 aluminum alloy with screw spline construction and sealed corners. The sash also uses aluminum members with dual weather-stripped, continuous interlock for superior performance.

Thermal Barrier and Hardware:
Frames and vents are thermally improved with high-density polyurethane. Standard hardware includes sweep locks and automatic sill locks, with optional high-performance balance systems available.

Glazing Options:
Windows are inside glazed with an extruded aluminum drive-in glazing bead, accommodating 1/4 inch and 1 inch glazing.

Catalog excerpts

Series 3450 Thermal Commercial • Series 3460 Thermal Architectural Grade 3 1⁄4” Thermal Single Hung Window-1

Series 3450 Thermal Commercial • Series 3460 Thermal Architectural Grade 3 1/4" Thermal Single Hung Window CONFIGURATIONS Single Hung This product family of hung windows retains an AAMA Commercial and Architectural Grade rating to meet the most demanding specifications. This product is a proven performer in applications ranging from historical replication to new construction. this hung window series is an attractive product for a wide range of applications including both thermal and non-thermal applications. Multiple glazing options provide flexibility to meet specific design requirements. offered with a complete line of sub frames, mullions and architectural sills, this product family provides the complete solution for your fenestration needs. Anodized or painted finishes available Multiple options to answer economic © Copyright 2015 EFCO Corporation 05/16 1000 COUNTY RD • MONETT, MO 65708 • 800.221.4169 • efcocorp.com

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Series 3450 Thermal Commercial • Series 3460 Thermal Architectural Grade 3 1⁄4” Thermal Single Hung Window-2

Series 3450 Thermal Commercial • Series 3460 Thermal Architectural Grade SERIES 3450 BLOCK & TACKLE Note: All performance value data is based on laboratory testing per AAMA 101/I.S.2/A440 for AirWater/Structural, ASTM E90 and or E4I3 for Acoustical, AAMA 507 and or NFRC 100/200/500 for UFactors and AAMA 1503 for Condensation Resistance Factor (CRF). Printed values are subject to change pending the frequency of recertification testing. Field results will vary depending on size, the field test method, the addition of sub-frames, panning, mullions, accessories and installation into the surrounding...

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Series 3450 Thermal Commercial • Series 3460 Thermal Architectural Grade 3 1⁄4” Thermal Single Hung Window-3

Series 3450 Thermal Commercial • Series 3460 Thermal Architectural Grade 3 1⁄4” Thermal Single Hung Window Frame Construction The frames have a depth of 3 1/4” and are constructed of 6063-T6 aluminum alloy. Nominal material wall thickness for the frame is .062”, and the sill has a nominal wall thickness of .070”. Corners are of screw spline construction and sealed with small-joint sealant. Frame members telescope together. See Illustration 1. Sash Frame Construction The sash consists of aluminum members with .062” nominal material wall thickness of 6063-T6 alloy. Corners are of screw spline construction...

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