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Interior Doors

Modern Interior Doors

Explore our interior and exterior doors in the catalog. Shop online 24/7 and save time with the Designer Doors Supply interactive 3D tour.

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Slab Single Swing Double Swing Pocket Double Pocket Barn Bypass Bi-Fold Frameless

1–24 of 235

Interior Slab Doors by Size

Choose from common door heights and widths, including custom sizes that fit perfectly into your space.

18×80 24×80 28×80 30×80 32×80 36×80
Modern white sliding pocket door in a bright hallway White bi-fold closet doors in a minimalist interior Interior door finish and hardware samples

Order Finish Samples

Compare finishes, glass options, and textures at home before you choose a door. Free samples ship with guidance from our specialists.

Request samples

FAQ

Below are answers to the most frequently asked questions.

You can order directly on our website or visit our showroom. If you have questions about product range, our experts will help you find the right solution.

Most interior doors are 80 inches tall, with common widths from 24 to 36 inches.

Solid core doors feel heavier and reduce sound better, while hollow core doors are lighter and more budget friendly.