Oversized Doors | Built to Order, Crafted to Last

Design Application / Interior Doors / Monster Doors

Supersize any Simpson Design to an Extra Large Monster Door

These stunning, over-sized doors can be made in a variety of large sizes, with some designs as big as 10 feet tall and up to 8 feet wide (contact your Simpson Authorized Dealer for maximum size on your favorite design). They address the need for larger and more personalized spaces in the home, are offered in any wood species and design, and can be mounted on popular alternative hardware, such as barn track or contemporary pivot swing.

These beautiful doors aren’t just space dividers. They’re functional pieces of art that make a stunning visual impact in the home – open or closed.

Simpson’s Monster Doors not only come in XL sizes, but are designed to withstand the daily challenges of everyday life. Each Monster Door is engineered to deliver the design freedom customers want with the reliability and performance they have come to expect from Simpson. Monster Doors are available for both interior and exterior door applications.

Custom Monster Door 108
Shown with v-grooves in White Oak

Monster Door 7404
Shown in hemlock with white laminate glass

Wood Species Tool

Custom Double

49858 Knotty Alder

49801 Weathered

7404 Walnut

7008 Shaker Shown in Rift Cut White Oak with optional V-Groove

7008 Shaker
Shown in Rift Cut White Oak with optional V-Groove

82 Shaker Shown in Maple

82 Shaker
Shown in Maple

82 Shaker Shown in Walnut

82 Shaker
Shown in Walnut

Size Specifications

Dimension	Maximum Capabilty	Notes
Height	Up to 10 feet (120”)	Some designs available at 12 feet max – contact your Authorized Dealer
Width (Single Door Unit)	Up to 8 feet (96”)	Dependent on design – contact your Authorized Dealer
Thickness	Up to 2-1/4”	If over maximum thickness contact your Authorized Dealer
Oversized Class	Anything over 5x10	Doors above this size classification move to “Oversized”

Compatible Systems

Monster Doors are engineered for the unique demands of extra-large installations. Each door is built to withstand the structural and mechanical forces that come with oversized applications, supporting a range of system configurations including traditional hinged, barn track, and pivot systems. This flexibility makes Monster Doors an exceptional choice for homeowners seeking a dramatic, statement-making entryway for their home.

Frequently Asked Questions

What is a Monster Door?

A Monster Door is Simpson Door Company’s option for oversized wood doors. They can be built in any design, wood type and for interior and exterior applications.

Do you offer matching sidelights or transoms?

Yes, we offer sidelights and transoms that coordinate beautifully with Modern Farmhouse doors. These additions can enhance curb appeal and allow more natural light into your entryway while maintaining a cohesive design. Your dealer can help you select the right configuration for your space.

Are Monster Doors structurally sound at such large sizes?

Absolutely. Each Monster Door is engineered specifically to handle the demands of oversized use, delivering the same reliability and performance Simpson is known for — just at a much larger scale.

How do I maintain such a large wood door?

Simpson recommends following their standard Care & Finishing guidelines, available in the Project Center. Proper finishing at installation and routine maintenance will protect your investment and keep the door looking its best for years.

Why Choose Simpson Door Company

Since 1912, Simpson Door Company has been trusted to sourced handcrafted wood doors. Monster Doors extend that legacy to sizes once considered out of scope for premium wood construction. Contact a Simpson Door Authorized Dealer near you to begin designing your dream oversized door.

MONSTER Doors®

Simpson Door Company is taking wood door customization to new heights with its oversized wood doors.