MDF-DOORS.com is an online retailer of 1-3/4” thick MDF interior doors, made by Sun Mountain—an industry-leading manufacturer of custom wood doors. Here you’ll find the absolute highest quality solid-core MDF doors, priced at the best value.

Alder Doors products are made in the USAOur Medium Density Fiberboard (MDF) doors are “made by hands” in the USA at our state-of-the-art factory in northern Colorado. Sun Mountain’s doors are true stile and rail construction (not routed or moulded), with engineered components to resist warp. Choose from a selection of contemporary designs, pre-primed in the factory, with optional solid Poplar jambs. We sell direct to the trade or homeowner and ship nationwide 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!

Primed MDF Doors

1-Panel
1-Panel

1-3/4″ Thick – Interior

Starting at

$375.00Customize Now


2-Panel (Lock Rail)
2-Panel (Lock Rail)

1-3/4″ Thick – Interior

Starting at

$375.00Customize Now


3-Panel
3-Panel

1-3/4″ Thick – Interior

Starting at

$375.00Customize Now


4-Panel
4-Panel

1-3/4″ Thick – Interior

Starting at

$400.00Customize Now


5-Panel
5-Panel

1-3/4″ Thick – Interior

Starting at

$425.00Customize Now