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Keystone Mullion Glass-Ready Cabinet Door Frame
Price per ft2:
Sale price From $33.64 USD / ft²
Regular price
$38.64 USD
Ships in 5-15 business days
Make a bold statement with our Keystone Mullion Glass-Ready Cabinet Door Frame, handcrafted in the USA from high-density, TSCA Title VI compliant MDF.
Its distinctive keystone center design adds architectural strength and classical balance — ideal for kitchens, display cabinetry, and custom furniture seeking a touch of refined geometry.
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Glass-ready frame — perfect for clear, frosted, or decorative glass panels
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Unique keystone centerpiece creates visual focus and symmetry
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CNC-cut precision ensures crisp lines and proportional accuracy
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Smooth, paint-ready MDF surface for flawless custom finishes
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Available in custom sizes with matching drawer fronts
Our Keystone Mullion Frames combine enduring craftsmanship with modern precision. Designed for designers, builders, and homeowners who value both artistry and function — proudly made in the USA since 1994.
Choosing the right wood for cabinet doors often raises a few common questions. Here are some of the most frequent questions customers ask about Keystone Mullion Glass-Ready Cabinet Door Frame.
Frequently asked questions
What is a mullion cabinet door?
A mullion cabinet door is a frame-style door designed to hold glass panels, featuring decorative dividers that create sections within the opening. Mullions add structure, style, and visual interest to glass cabinet doors.
Is glass included with mullion cabinet doors?
No, glass is not included. All mullion doors are manufactured as glass-ready frames, allowing you to select and install the glass type that best fits your design and functional needs.
Can mullion cabinet doors be customized?
Yes, mullion cabinet doors can be customized in size, frame width, and design details. Stile and rail widths are typically available within a 1.75” to 4” range, allowing flexibility in both appearance and proportions.
What materials are best for mullion cabinet doors?
MDF is the most commonly used material for mullion doors, especially for painted finishes. It offers a smooth surface, excellent stability, and consistent results for detailed designs, making it a low-maintenance and reliable option.
What is a Keystone mullion pattern?
It includes a central vertical element inspired by architectural keystone shapes, adding structure and symmetry.
Is Keystone design more decorative or functional?
It is primarily decorative while still providing structural support for glass panels.