Series 312 Patio Doors
2-Lite, 3-Lite and 4-Lite Sliding Patio Doors
Available in a wide range of sizes, styles and options that complement any home’s design. Enhanced glass options provide excellent energy-efficiency for any climate. Learn more about RELIABILT Patio Doors at Lowes.com.
Standard Features and Available Styles
- Design Pressure (DP) 35 rating
- Easy opening and closing on an aluminum track
- Added security with a standard keyed lock
- Available in 6-ft, 8-in height, and up to 12-ft wide
- Virtually eliminate air infiltration with interlocking door panels
- Field reversible (standard 6-ft 8-in height only; not available with Blinds Between the Glass)
- Enjoy fresh air with standard screen*
- Easy installation for new construction
Vinyl Color Options

White

Almond

Clay
Laminated/Co-Extruded Color Options

Black Exterior (Laminated)
Painted Color Options

Black

Brick Red

Bronze

Clay

Dark Chocolate

Gray

Hunter Green

Tan

Terratone
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
Glass Options
- Low-E Glass
- Low-E Glass and argon gas for additional efficiency
- Ultra Low-E Glass and argon gas
- Blinds Between the Glass—Available on 5068 and 6068 patio doors white blinds in all interior and exterior finishes
Additional Options
- Brushed nickel, brass, oil rubbed bronze or black handle
- Simulated divided lite raised-style grid, 5/8-in and 1-in Contoured Valance grid, 5/8-in and 3/4-in Flat grid
- Blinds Between the Glass available in white in 5-ft x 6-ft 8-in, 6-ft x 6-ft 8-in, 9-ft x 6-ft 8-in and 12-ft 4-panel configurations
- Pet Resistant screen*
- Custom sizes available (not field reversible)
ReliaBilt Sliding Patio Doors
Discover the unique features and options provided by each individual series to find the right vinyl sliding patio door for your next remodeling project.
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.