ALDER
-DOORS.com is a leading online retailer of interior 1-3/8″ thick Knotty Alder doors. Here you’ll find the absolute highest quality doors, priced at the best value.

Alder Doors products are made in the USASun Mountain 25th Anniversary LogoOur products are 100% manufactured in the U.S. at our state-of-the-art factory in northern Colorado. We sell direct to the trade or homeowner, offer pre-hung and factory pre-finished options, and ship directly to your home or construction site. We invite you to explore our company, our product line, and our quality. Call us toll-free at 888.786.6861, chat with one of our online sales specialists, or place your order online. Thank you for visiting!

Raised Panel Doors

2-Panel Top Rail Rach
2-Panel Top Rail Arch

1-3/8″ Thick – Interior

Starting at

$399.00Customize Now


2-Panel Square Top Rail
2-Panel Square Top Rail

1-3/8″ Thick – Interior

Starting at

$399.00Customize Now


Plank Doors

2-Panel Plank Top Rail Arch
2-Panel Plank Top Rail Arch

1-3/8″ Thick – Interior

Starting at

$399.00Customize Now


2-Panel Plank Square Top Rail
2-Panel Plank Square Top Rail

1-3/8″ Thick – Interior

Starting at

$399.00Customize Now


Craftsman Doors

3-Panel Horizontal
3-Panel Horizontal

1-3/8″ Thick – Interior

Starting at

$399.00Customize Now


3-Panel 3-II
3-Panel 3-II

1-3/8″ Thick – Interior

Starting at

$399.00Customize Now


Glass and French Doors

1-Lite Glass
1-Lite Glass

1-3/8″ Thick – Interior

Starting at

$399.00Customize Now