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 assortment has over 400 models of 18x80 prehung interior doors for any room. We use only safe and environmentally friendly materials of high quality, so the slabs have a durable service life and retain their original appearance for a long time.
Door Design Lab offers a wide range of 18x80 modern doors with different finishes and decorative elements. Some models are adorned with glass inserts or aluminum strips.
You can buy interior doors online today. Contact our call center specialists to find the perfect solution for your home or apartment.
Quality 18x80 prehung interior doors are a modern solution for your home or apartment. Noble and versatile shades, stylish design, milling, aluminum strips, and glass inserts create a cozy atmosphere and, in some cases, even visually expand the space. We have more than 400 models in our range with various finishes and decorative elements. We only use top-quality materials that are highly durable. You can choose any glass for glazed door slabs:
Frosted glass maintains privacy in the room and is entirely safe, as when it breaks, it doesn't shatter into sharp shards but into pieces with dulled edges.
Clear glass fills the living space with light, mainly if they are located opposite a window.
18x80 door slabs are suitable for any room: living room, kitchen, bedroom, bathroom, or children's room. They are also an excellent choice for a pantry. To maximize the functional potential of interior doors from Door Design Lab, we offer various configurations,
Door mechanisms
Description and advantages
Barn
The loft system consists of a top track, rollers, and stops. Barn doors are popular among fans of country or industrial interior design styles.
Bi-fold
An ergonomic and easy-to-use solution that saves space in the kitchen or other room. The door consists of two slabs, which fold up when opened.
In addition to the 18x80 interior doors, the following dimensions are available for order:
Nominal height: 84'', 92 1/2'', 96''.
Nominal width: 24'', 28'', 30'', 32'', 36''.
Custom size.
The hardware comes in a range of shapes and hues, making sure they seamlessly match the design aesthetic of your home.
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.
