Series 105 Windows

Side-Load Single Hung, 2 and 3-Lite Sliders and Picture Windows

Our side-load single hung windows feature a vertically moving bottom sash that allows air flow and ventilation. With simple installation features, these windows offer an easily removable bottom sash for quick cleaning and maintenance. Learn more about RELIABILT Series 105 Single Hung and Series 105 Sliding Windows on

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  • Series 105 Side Load Windows in White with Grid
    Series 105 Side Load Windows in White with Grid

Standard Features and Available Styles

  • Single hung window are available as side-load
  • Design Pressure (DP) 50 rating on windows (window size tested 36-in x 96-in)
  • Removable operable sash makes cleaning a breeze
  • Improved security with sturdy sweep-lock
  • Double insulated glass provides energy saving thermal efficiency
  • Sloped sill for easy water run-off
  • Versatile half screen* installed from the inside or outside
  • 1-3/8″ nail-fin setback for brick construction and select stucco applications
  • Integrated mounting flange for quick, easy installation
  • Modular sized so widths for multiple units are easy to calculate: 3050 Single = 36-in 3050 Twin = 72-in 3050 Triple = 108-in
Product Close-Up View
Series 105 Side-Load Single Hung Windows
Product Close-Up View
Series 105 Slider Windows

Vinyl Color Options



Note: Device/Monitor screen settings may affect color shown. Please refer to actual window sample when selecting colors. Laminates and exterior painted options available on select products, if they are not shown above they are not available on this product. Interior and exterior laminates available on white window only. Only use mild, water based household cleaner on painted product and rinse immediately with water. See full cleaning instructions for details. Grid offering limited to 5/8” contoured or SDL on exterior painted windows.

Grid Types

5/8-Inch Flat Grid

3/4-Inch Flat Grid

5/8-Inch Contoured Grid

1-Inch Contoured Grid

Grid Patterns




Perimeter Prairie


Glass Options

  • Low-E Glass
  • Low-E Glass and argon gas for additional efficiency
  • Ultra Low-E Glass and argon gas
  • Obscure, tempered or double-strength glass
  • Non-reflective Low-E Glass and Non-reflective Low-E Glass with argon gas

Additional Options

  • Window Opening Control Device (WOCD) to prevent falling from a window (field applied)
  • Factory mulling and factory prepared mulling
  • Paintable or stainable wood jamb extensions (4-9/16 inch and 6-9/16 inch)
  • Charcoal aluminum mesh half screen
  • Custom sizes available

New Construction Windows

ReliaBilt’s new construction product video provides a detailed look at all of our new construction window offerings.

ReliaBilt Manufacturing Story

Our windows and sliding doors are recognized for their high-quality craftsmanship, innovative engineering and close attention to detail. Learn more about the process used to make them.


Looking for ENERGY STAR qualified products? Learn more about the climate zones and performance criteria used to identify ENERGY STAR compliant windows and doors.

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The RELIABILT Warranty

Every RELIABILT window and patio door is backed by a limited lifetime warranty on vinyl, glass and all working parts. Each product is individually registered with a product identification number, making ordering replacement parts throughout the warranty period easy and efficient.

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RELIABILT Product Care

RELIABILT windows and doors are designed for easy care and maintenance. Click the button below to download RELIABILT’s window and door care and maintenance guide.

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Schedule a free, no-obligation in-home consultation with Lowe's to get RELIABILT windows and doors for your home today.