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 USAOur 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, and ship (with pre-hung and factory pre-finished options) 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 on-line. Thank you for visiting!

Raised Panel Doors

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

1-3/8″ Thick – Interior

Starting at

$249.00Customize Now


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

1-3/8″ Thick – Interior

Starting at

$249.00Customize Now


Plank Doors

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

1-3/8″ Thick – Interior

Starting at

$249.00Customize Now


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

1-3/8″ Thick – Interior

Starting at

$249.00Customize Now


Craftsman Doors

3-Panel Horizontal
3-Panel Horizontal

1-3/8″ Thick – Interior

Starting at

$249.00Customize Now


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

1-3/8″ Thick – Interior

Starting at

$249.00Customize Now


Glass and French Doors

1-Lite Glass
1-Lite Glass

1-3/8″ Thick – Interior

Starting at

$249.00Customize Now