Series 450 Brick Mould Windows
Double Hung, 2 and 3-Lite Sliders and Picture Windows
Our top New Construction series combines incredible craftsmanship, seemingly unlimited options together with the strong, maintenance-free vinyl construction to deliver the best windows for any new home.
Standard Features and Available Styles
- Series 450 Double Hung available with Design Pressure (DP) 35 rating
- Series 451 Slider available with Design Pressure (DP) 50 rating
- Series 460 DH available without J-Channel and DP 35 rating
- Series 465 available without J-Channel and DP 50 rating (window size tested 36-in x 74-in)
- Easy sash movement with a block & tackle balance system
- Outside air ventilates through standard half screen*
- Integrated J-Channel and nail fin simplifies installation
- Custom sizes available
- Jamb depth: 3-7/8-in
Vinyl Color Options
Painted Color 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
- Continuous head and sill on twins and triples
- Night latches position sashes for optimal ventilation and safety
- 3-1/4-in flat casing with optional sill nose style
- Full screen*
- Jamb extenders
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.
ENERGY STAR Program
Looking for ENERGY STAR qualified products? Learn more about the climate zones and performance criteria used to identify ENERGY STAR compliant windows and doors.
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.
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.