Series 312 Sliding Patio Doors

Series 312 Patio Doors for New Construction and Replacement

2-Lite, 3-Lite and 4-Lite Sliding Patio Doors

Our most popular sliding patio door model, the 312 is available in widths up to 12′ with a standard height of 6′-8″. The 312 offers the most cosmetic upgrades of any door, with three interior wood laminates and Bronze exterior (all laminates on white doors only). The 312 is also available in custom sizes.

Lansing Patio Door Brochure
Lansing Vinyl Sliding Patio Doors
Lansing Vinyl Sliding Patio Doors

Available Styles

Product Close-Up View
Series 312 Sliding Patio Door
Feature Sheet

Standard Features

  • Reversible sliding panels install to open either left or right. (Custom sizes not reversible)
  • Both panels come reinforced with steel for extra strength
  • Door frames come fully-welded, fully-assembled and complete with screen
  • Interlocking panels virtually eliminate air infiltration
  • 7/8″ warm-edge sealant system
  • High-performance tempered glass comes insulated with thermal air or optional argon gas
  • Standard screen fits easily on site
  • Deluxe color matched hardware comes with secure key lock
  • Custom sizes available
  • Limited Lifetime Warranty

Available Options

Vinyl Color Options




Laminated Color Options

Light Oak


Dark Oak

Bronze Exterior

Black Exterior

Painted Color Options


Brick Red



Dark Chocolate


Hunter Green



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

Simulated Divided Lite (SDL) Grid
  • 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 (White Only) and 6068 patio doors, white blinds in all interior and exterior finishes
  • Oil rubbed bronze, brushed nickel or brass handle
  • Available in 5′, 6′, 6’4″, 8′, 9′, and 12′ configurations.
  • Pet Resistant Screen Mesh
  • Custom sizes available
Blinds between the glass option for patio doors

Blinds Between the Glass

Available in 6068 with white, interior and exterior laminates. Blinds, operators and glass panels available in white only.

  • Easy to raise, lower and tilt blinds
  • Sealed between the glass, the blinds control light and privacy
  • Blinds between glass never need dusting and are safe for pets and children
Lansing Warranty Feature Image

The Lansing Warranty

Every Lansing 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.

View Warranty & Support Details

Lansing Care and Maintenance Guide

Lansing Product Care

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

Download Guide