Interior doors in stock and made to order: slab, prehung, barn, pocket, bypass and bi-fold configurations, with matching frames, casing and hardware. Pick a panel design and a finish, set the exact opening size, and see the price update as you go. Most in-stock models leave the warehouse within a few business days.
Our catalog features over 400 designs of 18x84 prehung interior doors suitable for any room. We prioritize using sustainable and eco-friendly materials of superior quality, ensuring that our doors are long-lasting and maintain their pristine look for years.
Door Design Lab presents a diverse range of 18x84 contemporary doors in various finishes and decorative accents. Some of our slabs have elegant glass inserts or sleek aluminum strips.
Purchase interior doors online now. Contact our call center experts to discover the ideal choice for your home or apartment.
FAQ
Where to buy interior doors?
You can order directly on our website or visit our branded showroom located in Paramus and Pennsauken. If you have any questions regarding the Door Design Lab product range , please feel free to contact our call center, where our experts will help you find the perfect solution.
What is the standard door size?
The most popular size for interior doors is 30 × 80". You can find all the information about the Belldinni door dimensions in our article.
Solid core or hollow core?
While hollow core doors are considered a cheaper option, the quality eco-friendly material solid core with 12.5 lb/ft³ density creates a comfortable microclimate in the house or apartment. It is responsible for soundproofing and keeping heat inside the room.
What are the internal door trends in 2025?
Trends for 2025 are a mix of practicality, ergonomics, beauty, and quality. For example, invisible doors and sliding opening systems are currently popular. Please read more about 10 stylish door ideas in our article.
What is the best material for an interior door?
The most practical and durable are wooden interior doors coated with enamel or polypropylene. These materials reliably protect the canvas from moisture, scratches, and loss of color. Choose veneered doors if you want to add a touch of nature to your living space.
How to maintain a door
Our doors are finished with a high-quality coating that requires no special care. When cleaning, simply wipe them with a damp cloth, avoiding the use of aggressive agents. All tips for cleaning wooden interior doors are collected in our guide.
How to determine the right or left-hand door?
Regardless of the inward or outward direction, right-hand doors open to the right, and left-hand doors open to the left. Read about the other nuances in the article from our experts.
How to measure a door?
To determine the required size of the door block, measure the width and height of the rough opening in three places (in the middle and at the edges) and select the smallest values. The necessary tools and the complete algorithm are described in our guide.
