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Marvin
Bow

Bow windows are made up of a series of windows connected in a gentle curve. Bow windows are typically used to create a small nook, open up a view, or simply add interesting space to a room.

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Features & Options
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Features

  • The graceful curve of a Marvin Bow window is a lovely way to open up any room and capture a view.
  • Bow windows are custom designed and custom sized
  • Can be constructed from either Next Generation Clad Ultimate Double Hung or Wood Ultimate Double Hung, or Ultimate Casement windows to create a gentle curve
  • Individual windows are mulled together at our factory for a harmonious appearance.

Standard Specifications

  • One-lite Low E2 with argon insulating glass
  • Bare wood interior
  • All wood brick mould casing (wood units)
  • Extruded aluminum clad exterior (clad units)
  • 4 9/16" (116mm) jambs

Professional Resources
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Energy and Performance Data

Energy performance data for select combinations of options is shown below. Please consult our Energy Information Finder for specific product and option information.

Wood Ultimate Double Hung / Single Hung

ENERGY DATAU-FactorSHGCVTENERGY STAR
Insulated Glass - Low E1 - Argon - SDLS < 1"0.290.430.49N
Insulated Glass - Low E1 - Argon0.290.480.56N
Insulated Glass - Low E1 - Argon - SDLN < 1"0.290.430.49N
Insulated Glass - Low E1 - Air0.330.480.56
Insulated Glass - Low E1 - Air - SDLS < 1"0.330.430.49
Insulated Glass - Low E1 - Air - SDLN < 1"0.330.430.49
Insulated Glass - Air0.450.550.58
Insulated Glass - Low E2 - Air0.320.300.51
Insulated Glass - Low E2 - Air - SDLS < 1"0.320.270.45
Insulated Glass - Low E2 - Air - SDLN < 1"0.320.270.45
Insulated Glass - Low E2 - Argon0.290.290.51NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.290.260.45NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.290.260.45NC
Insulated Glass - Low E3 - Air0.320.200.46S
Insulated Glass - Low E3 - Air - SDLS < 1"0.320.180.40S
Insulated Glass - Low E3 - Air - SDLN < 1"0.320.180.40S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.280.180.40NC, SC, S
Insulated Glass - Low E3 - Argon0.280.200.46NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.280.180.40NC, SC, S
Tri-Pane Glass - Low E2 / Low E2 - Argon0.240.250.40N, NC, SC, S
Tri-Pane Glass - Low E2 / Low E2 - Argon - SDLN < 1"0.240.230.36N, NC, SC, S
Tri-Pane Glass - Low E1 / Low E1 - Argon0.250.400.49N, NC
Tri-Pane Glass - Low E1 / Low E1 - Argon - SDLN < 1"0.250.350.43N, NC
Tri-Pane Glass - Low E2 / Low E2 - Krypton-Argon0.220.250.40N, NC, SC, S
Tri-Pane Glass - Low E2 / Low E2 - Krypton-Argon - SDLN < 1"0.220.220.36N, NC, SC, S
Tri-Pane Glass - Low E1 / Low E1 - Krypton-Argon0.220.400.49N, NC
Tri-Pane Glass - Low E1 / Low E1 - Krypton-Argon - SDLN < 1"0.220.350.43N, NC
Tri-Pane Glass - Low E3 / Low E1 - Argon0.240.180.40N, NC, SC, S
Tri-Pane Glass - Low E3 / Low E1 - Argon - SDLN < 1"0.240.160.35N, NC, SC, S
Tri-Pane Glass - Low E3 / Low E1 - Krypton-Argon0.220.180.40N, NC, SC, S
Tri-Pane Glass - Low E3 / Low E1 - Krypton-Argon - SDLN < 1"0.220.160.35N, NC, SC, S
Insulated Glass - Low E2 - Argon - with Combination0.210.290.46N, NC
Insulated Glass - Low E3 - Argon - with Combination0.210.210.42N, NC, SC, S
Insulated Glass - Low E1 - Argon - with Combination0.210.440.51N

Wood Ultimate Double Hung Picture 1 5/8"

ENERGY DATAU-FactorSHGCVTENERGY STAR
Insulated Glass - Low E3 - Argon0.270.200.48N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.270.180.42N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.270.180.42N, NC, SC, S
Insulated Glass - Low E2 - Air - SDLN < 1"0.310.280.47
Insulated Glass - Low E2 - Argon0.270.310.53N, NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.270.280.47N, NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.270.280.47N, NC
Insulated Glass - Low E2 - Air0.310.310.53
Insulated Glass - Low E2 - Air - SDLS < 1"0.310.280.47
Insulated Glass - Low E1 - Argon0.280.510.58N
Insulated Glass - Low E1 - Argon - SDLS < 1"0.280.450.52N
Insulated Glass - Low E1 - Argon - SDLN < 1"0.280.450.52N

Wood Ultimate Double Hung Picture 2"

ENERGY DATAU-FactorSHGCVTENERGY STAR
Tri-Pane Glass - Low E2 / Low E1 - Argon0.200.280.47N, NC
Tri-Pane Glass - Low E2 / Low E1 - Argon - SDLN < 1"0.200.250.41N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.270.180.42N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.270.180.42N, NC, SC, S
Insulated Glass - Low E3 - Argon0.270.200.47N, NC, SC, S
Insulated Glass - Low E1 - Argon - SDLN < 1"0.280.440.51N
Insulated Glass - Low E1 - Argon0.280.490.57N
Insulated Glass - Low E1 - Argon - SDLS < 1"0.280.440.51N
Insulated Glass - Low E2 - Argon - SDLS < 1"0.270.270.46N, NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.270.270.46N, NC
Insulated Glass - Low E2 - Argon0.270.300.52N, NC
Insulated Glass - Low E2 - Air0.310.300.52
Insulated Glass - Low E2 - Air - SDLS < 1"0.310.270.46
Insulated Glass - Low E2 - Air - SDLN < 1"0.310.270.46

Wood Ultimate Casement

ENERGY DATAU-FactorSHGCVTENERGY STAR
Insulated Glass - Low E1 - Argon0.280.460.53N
Insulated Glass - Low E1 - Argon - SDLS < 1"0.280.420.48N
Insulated Glass - Low E1 - Argon - SDLN < 1"0.280.420.48N
Insulated Glass - Low E2 - Air0.310.280.48
Insulated Glass - Low E2 - Air - SDLS < 1"0.310.260.43
Insulated Glass - Low E2 - Air - SDLN < 1"0.310.260.43
Insulated Glass - Low E2 - Argon0.280.280.48NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.280.260.43NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.280.260.43NC
Insulated Glass - Low E3 - Argon0.270.190.43N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.270.170.39N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.270.170.39N, NC, SC, S
Tri-Pane Glass - Low E2 / Low E1 - Argon0.220.250.42N, NC, SC, S
Tri-Pane Glass - Low E2 / Low E1 - Argon - SDLN < 1"0.220.230.38N, NC, SC, S

Wood Ultimate Casement Picture

ENERGY DATAU-FactorSHGCVTENERGY STAR
Insulated Glass - Low E2 - Argon - SDLS < 1"0.270.290.50N, NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.270.290.50N, NC
Insulated Glass - Low E2 - Argon0.270.320.56N, NC
Insulated Glass - Low E2 - Air - SDLN < 1"0.300.290.50NC
Insulated Glass - Low E2 - Air - SDLS < 1"0.300.290.50NC
Insulated Glass - Low E2 - Air0.300.330.56NC
Insulated Glass - Low E1 - Argon - SDLS < 1"0.270.480.55N
Insulated Glass - Low E1 - Argon - SDLN < 1"0.270.480.55N
Insulated Glass - Low E1 - Argon0.270.540.62N
Insulated Glass - Low E2 - Argon - SDLN < 1"0.270.290.49N, NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.270.290.49N, NC
Insulated Glass - Low E2 - Argon0.270.320.55N, NC
Insulated Glass - Low E2 - Air - SDLN < 1"0.300.290.49NC
Insulated Glass - Low E2 - Air - SDLS < 1"0.300.290.49NC
Insulated Glass - Low E2 - Air0.300.320.55NC
Insulated Glass - Low E1 - Argon0.280.520.61N
Insulated Glass - Low E1 - Argon - SDLS < 1"0.280.460.54N
Insulated Glass - Low E1 - Argon - SDLN < 1"0.280.460.54N
Insulated Glass - Low E3 - Argon0.260.210.50N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.260.190.45N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.260.190.45N, NC, SC, S
Insulated Glass - Low E3 - Argon0.260.210.49N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.260.190.44N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.260.190.44N, NC, SC, S
Tri-Pane Glass - Low E2 / Low E1 - Argon0.200.290.49N, NC
Tri-Pane Glass - Low E2 / Low E1 - Argon - SDLN < 1"0.200.260.44N, NC

Clad Ultimate Double Hung Impact/Magnum Picture

ENERGY DATAU-FactorSHGCVTENERGY STAR
Tri-Pane Glass - Low E2 / Low E1 - Argon0.210.280.47N, NC
Tri-Pane Glass - Low E2 / Low E1 - Argon - SDLN < 1"0.210.250.42N, NC, SC, S
Insulated Glass - Low E3 - Argon0.280.210.47NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.280.190.42NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.280.190.42NC, SC, S
Insulated Glass - Low E1 - Argon0.290.490.58N
Insulated Glass - Low E1 - Argon - SDLS < 1"0.290.440.52N
Insulated Glass - Low E1 - Argon - SDLN < 1"0.290.440.52N
Insulated Glass - Low E2 - Argon0.280.300.53NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.280.270.47NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.280.270.47NC
Insulated Glass - Low E2 - Air - SDLS < 1"0.320.280.47
Insulated Glass - Low E2 - Air - SDLN < 1"0.320.280.47
Insulated Glass - Low E2 - Air0.320.310.53

Clad Ultimate Casement

ENERGY DATAU-FactorSHGCVTENERGY STAR
Insulated Glass - Low E3 - Argon0.290.190.44NC, SC, S
Insulated Glass - Low E3 - Argon0.300.190.44NC, SC, S
Insulated Glass - Low E3 - Argon0.300.190.44NC, SC, S
Insulated Glass - Low E3 - Argon0.290.190.44NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.300.180.40NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.290.170.39NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.300.170.39NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.290.180.40NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.300.170.39NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.300.180.40NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.290.180.40NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.290.170.39NC, SC, S
Tri-Pane Glass - Low E2 / Low E1 - Argon0.240.260.43N, NC
Tri-Pane Glass - Low E2 / Low E1 - Argon0.230.260.43N, NC
Tri-Pane Glass - Low E2 / Low E1 - Argon0.240.260.43N, NC
Tri-Pane Glass - Low E2 / Low E1 - Argon0.250.260.43N, NC
Tri-Pane Glass - Low E2 / Low E1 - Argon - SDLN < 1"0.230.240.39N, NC, SC, S
Tri-Pane Glass - Low E2 / Low E1 - Argon - SDLN < 1"0.240.240.39N, NC, SC, S
Tri-Pane Glass - Low E2 / Low E1 - Argon - SDLN < 1"0.250.240.39N, NC, SC, S
Tri-Pane Glass - Low E2 / Low E1 - Argon - SDLN < 1"0.240.240.39N, NC, SC, S
Insulated Glass - Low E2 - Argon - SDLN < 1"0.310.260.44
Insulated Glass - Low E2 - Argon - SDLN < 1"0.300.260.44NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.290.260.44NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.300.260.44NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.310.260.44
Insulated Glass - Low E2 - Argon - SDLS < 1"0.290.260.44NC
Insulated Glass - Low E2 - Argon0.290.290.49NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.300.260.44NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.300.260.44NC
Insulated Glass - Low E2 - Argon0.300.280.48NC
Insulated Glass - Low E2 - Argon0.300.290.49NC
Insulated Glass - Low E2 - Argon0.310.280.48
Insulated Glass - Low E2 - Air - SDLN < 1"0.340.260.44
Insulated Glass - Low E2 - Air - SDLN < 1"0.330.260.44
Insulated Glass - Low E2 - Air - SDLN < 1"0.320.260.44
Insulated Glass - Low E2 - Air - SDLN < 1"0.330.260.44
Insulated Glass - Low E2 - Air - SDLS < 1"0.330.260.44
Insulated Glass - Low E2 - Air - SDLS < 1"0.340.260.44
Insulated Glass - Low E2 - Air - SDLS < 1"0.320.260.44
Insulated Glass - Low E2 - Air0.330.290.49
Insulated Glass - Low E2 - Air0.340.290.48
Insulated Glass - Low E2 - Air0.320.290.49
Insulated Glass - Low E2 - Air - SDLS < 1"0.330.260.44
Insulated Glass - Low E2 - Air0.330.290.48
Insulated Glass - Low E1 - Argon - SDLN < 1"0.310.430.48
Insulated Glass - Low E1 - Argon - SDLN < 1"0.310.430.49
Insulated Glass - Low E1 - Argon - SDLN < 1"0.300.430.49N
Insulated Glass - Low E1 - Argon - SDLN < 1"0.310.430.48
Insulated Glass - Low E1 - Argon - SDLS < 1"0.310.430.49
Insulated Glass - Low E1 - Argon - SDLS < 1"0.310.430.48
Insulated Glass - Low E1 - Argon - SDLS < 1"0.310.430.48
Insulated Glass - Low E1 - Argon - SDLS < 1"0.300.430.49N
Insulated Glass - Low E1 - Argon0.310.470.53
Insulated Glass - Low E1 - Argon0.310.470.54
Insulated Glass - Low E1 - Argon0.310.470.53
Insulated Glass - Low E1 - Argon0.300.470.54N

Clad Ultimate Casement Picture

ENERGY DATAU-FactorSHGCVTENERGY STAR
Insulated Glass - Low E1 - Argon0.290.550.63N
Insulated Glass - Low E1 - Argon - SDLS < 1"0.290.490.56N
Insulated Glass - Low E1 - Argon - SDLN < 1"0.290.490.56N
Insulated Glass - Low E2 - Air0.310.330.57
Insulated Glass - Low E2 - Air - SDLS < 1"0.310.300.51
Insulated Glass - Low E2 - Air - SDLN < 1"0.310.300.51
Insulated Glass - Low E2 - Argon0.280.330.57N, NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.280.300.51NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.280.300.51NC
Insulated Glass - Low E2 - Air0.320.330.56
Insulated Glass - Low E2 - Air - SDLS < 1"0.320.290.50
Insulated Glass - Low E2 - Air - SDLN < 1"0.320.290.50
Insulated Glass - Low E2 - Argon0.280.320.56N, NC
Insulated Glass - Low E2 - Argon - SDLS < 1"0.280.290.50NC
Insulated Glass - Low E2 - Argon - SDLN < 1"0.280.290.50NC
Insulated Glass - Low E1 - Argon0.290.530.62N
Insulated Glass - Low E1 - Argon - SDLS < 1"0.290.470.55N
Insulated Glass - Low E1 - Argon - SDLN < 1"0.290.470.55N
Insulated Glass - Low E3 - Argon0.270.220.51N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.270.200.46N, NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.270.200.46N, NC, SC, S
Insulated Glass - Low E3 - Argon0.280.220.50NC, SC, S
Insulated Glass - Low E3 - Argon - SDLS < 1"0.280.200.45NC, SC, S
Insulated Glass - Low E3 - Argon - SDLN < 1"0.280.200.45NC, SC, S
Tri-Pane Glass - Low E2 / Low E1 - Argon0.210.300.50N, NC
Tri-Pane Glass - Low E2 / Low E1 - Argon - SDLN < 1"0.210.270.45N, NC

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