Dark Walnut Ontario Flush Interior Door

Dark Walnut Wood Interior Doors

In dark walnut veneer, this interior door has a simple design and flush style that makes it perfect for use throughout a home, business or office. The grain runs horizontally across all but the outer edges of the door, where it runs vertically. The design is modern yet very simple and elegant.

Dark walnut is a hardwood that has long been the choice of carpenters and builders for interior door use. It is exceptionally durable and resistant to moisture, so there is never a worry about shrinking or swelling. In essence, this is a door whose beauty and function you can appreciate for years to come.

One of our flush door designs, this door can be used to create a uniform look. Use it throughout your living or business space, or coordinate with more elaborate doors from our full line of dark walnut interior doors.

Order a interior door sample to inspect the product quality.

How are our interior doors different?

View door specification
Looking for an 8 ft. modern door solution?Contact us with your inquiry.

Every complete door set includes the following features:
All Eco-clean materials
Natural wood veneer
Dense slab composure reduces noise
Heavy feel door - NO honeycomb/NO paper filling inside
Solid wood frame (when jambs are ordered)
Rubber sealed door stop (when jambs are ordered)
Regulating jambs (when jambs are ordered)
2 sets of molding included (when jambs are ordered)
3 hinges included (when jambs are ordered)

Lead time: 4-6 weeks

Things to consider in comparing our interior doors


27Indigo Doors

Other modern doors

Slab composition

Engineered/solid wood

Paper filling


Solid wood

MDF/Composite materials

Lever sets

Brand name Emtek/FSB/ValliValli


Regulating Jambs

Yes – up to ½”



Natural wood Italian veneers

Laminates, generic veneers

8 ft doors available

Yes – select models

Varies with supplier

Fully customizable


Varies with supplier

Double doors available


Varies with supplier

Lead time

6 weeks

8-14 weeks

View our entire collection of interior doors.

Door Handing review chart

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