Outswing Casement Windows
Outswing casement windows are hinged at the side and swing outwards for controlled ventilation.
Custom crafted to meet your design specifications, our outswing casement hardwood windows can be fitted with a sill-mounted roto crank or a jamb-mounded push-arm operator. Casement windows from Duratherm are crafted with the utmost of care and attention to detail.
Click the links on the left to download product-specific details, specifications, and CAD files.
Data Sheets
Pushbar Operator
Duratherm proprietary pushbar comprised of oxidized bronze alloy components and a solid brass bar, copper plated and oxidized to match bronze. The sill-mounted pushbar operator is designed to be manually operated for the entire length and to hold the sash at intermediate points. Available in one piece or hinged at mid-point.
Finishes: Oil-rubbed Bronze (US10B), Lacquered Red Bronze (US20A), White Bronze (US26D).
Egress: Available as quick-release pin at sash connection.
Roto-Gear Operator
Truth Maxim® stainless steel or EntryGard® steel roto gear operator with hardened steel drive worm and plastic slider for smooth operation. Cover and crank handle in high pressure die-cast zinc.
Finishes: Oil-rubbed Bronze (US10B), Satin Nickel (US15).
Egress: Available as quick-release lever at sash connection.
Sash Locks
Oxidized bronze alloy latches ensure positive, uniform locking action.
Finishes: Oil-rubbed Bronze (US10B), Lacquered Red Bronze (US20A), White Bronze (US26D).
Hinges
Heavy duty extension hinges, solid brass or zinc chromate coated steel. Hinges are designed to help the operator hold the sash in open positions, and to permit ready removal and replacement of the sash. Truth heavy duty 4-bar stainless steel hinges are available for appropriate-sized units. Solid brass 4″ five-knuckle flush ball-bearing butt hinges available for egress units.
Optional Hardware
Custodial locks, sash restrictors, electric or manual remote operators, adjustable friction stays.
1″ x 1/4″ tubular extruded frames in anodized bronze, mill finish aluminum or custom color painted aluminum. Mesh of 18 x 16 screen cloth held with vinyl spline, available in charcoal finished aluminum, mill finish aluminum, stainless steel or bright brass. Maximum width of screen mesh is 72″. Wood-framed screens are available.
All glazing is per project specifications. Duratherm can accommodate most configurations and make-ups from 1/8″ single glazed to a maximum of 1 3/4″ security glass. Refer to the Glass and Glazing Guide in the Introduction of this binder.
Clear glass opening: Unit height minus 7 3/8″, unit width minus 7″.
Continuous extruded silicone flap gasket set in rebate around the perimeter of the sash. Engaging the sash locks compresses the weather-strip to ensure a tight seal.
The minimums and maximums shown are intended as guidelines. For applications that exceed these ranges, please contact the factory for assistance.
Width
Minimum: 18”
Maximum: 36″
Height
Minimum: 18”
Maximum: 84″
To ensure smooth and troublefree operation over time:
At maximum width of: 36″, limit height to: 60″
At maximum height of: 84″, limit width to: 28″
Egress
Based on:
20″ clear width
24″ clear height
5.7 sq ft clear opening
Minimum unit width: 28″
Minimum unit height: 30″
To meet egress requirements:
At minimum unit width of: 28″, height must be at least: 48″
At minimum unit height of: 30″, width must be at least: 36″
Frame Depths
Standard: 6 1/4”
Minimum*: 5 1/2”
Maximum: 10”
(*Contact factory for frame depths less than 6¼”)
Static Air Infiltration: ASTM E283 cfm/ft2 @ 1.57 psf | Allowed 0.30 Test Result 0.008 |
Water Infiltration: ASTM E547-cyclic ASTM E331-static at 8 psf | Allowed 0.0 Test Result 0.0 |
Load Deflection: ASTM E330 10 sec at +60 and -60 psf | Passed |
Sash Torsion: AAMA/WDMA/CSA 101 / I.S.2 / A440 | Passed |
Vertical Deflection: AAMA/WDMA/CSA 101 / I.S.2 / A440 | Passed |
Forced Entry: ASTM F588 | Passed |
Center of Glass: | 1″: 0.29 with Argon: 0.24 |
Total Unit: | 1″: 0.35 with Argon: 0.31 |
Large Missile Impact and Cyclical Air Pressure:
Note: Contact factory for size limitations and detail modification required for hurricane certified units. | Passed ![]() |
Materials
At Duratherm, you have the flexibility to choose from an extensive selection of material options. We offer a full spectrum of wood choices for both the interior and exterior, along with a variety of powder-coated aluminum clad colors for the exterior.
Clad Exterior Options
Offering a clad exterior/wood interior offering on product. All available options, please see the RAL site for full selection. The shade may vary on actual product. Please contact Duratherm to discuss your custom needs.
Glazing Configurations
All types and configurations are available to use in Duratherm windows and doors. From single monolithic to triple glazing, laminated, curved-in-place, electrochromatic switchable – virtually any type or configuration commercially available – and perhaps even some that are not.
Glazing Methods
Dry Glazing
Specially developed extruded silicone gasket sets the glass by compression. Our proprietary system is long-lived, has low maintenance, and stays water resistant.