A concealed door frame is a hidden framing system designed to sit inside the wall and create a flush, seamless door finish with no visible trims.
INVI Jamb is a galvanised steel system designed for modern architectural interiors and long-term durability.
What Is a Concealed Door Frame?
A concealed door frame is installed within the wall structure during construction.
It removes the need for architraves and visible trims.
It removes the need for architraves and visible trims.
The door aligns flush with the wall surface, creating a continuous finish.
Also known as:
- Frameless door jamb
- Flush door frame system
- Jib door system
Why is the door frame so important?
Concealed door frames integrate directly into wall framing.
They function through:
- Hidden steel frame inside drywall
- Pre-planned installation during construction
- Flush alignment between door and wall
The finished result is a door that blends into the wall surface.
What Is INVI Jamb?
INVI Jamb is a concealed door frame system manufactured by Minarchi UK®.
It is constructed from galvanised steel and designed for strength, precision, and long-term performance.
Key Features of INVI Jamb
- Galvanised steel construction
- Fully concealed frame design
- No architraves required
- Compatible with Level 5 finish systems
- Tested beyond 10,000 door cycles
- Designed for modern construction standards
Benefits of Concealed Door Frames
- Flush wall-to-door finish
- Clean, minimalist interiors
- Increased sense of space
- Reduced visual clutter
- Suitable for residential and commercial projects
- Works with hidden and feature doors
INVI Jamb vs Traditional Door Frames
INVI Jamb
- Hidden frame system
- Steel construction
- Flush finish with no trims
- High durability and stability
Traditional Frames
- Visible architraves required
- Timber construction
- Can move or warp over time
- More finishing required
Where Are Concealed Door Frames Used?
Common applications include:
- Modern homes
- Apartments
- Offices
- Hotels
- High-end developments
Typical uses:
- Flush internal doors
- Hidden doors
- Feature walls
Installation Requirements
- Must be installed during framing stage
- Requires accurate wall alignment
- Works best with Level 5 finish
- Professional installation recommended
Summary
Concealed door frames are a standard feature in modern architectural design.
They allow doors to sit flush with the wall, removing visible trims and creating clean, seamless interiors.
They allow doors to sit flush with the wall, removing visible trims and creating clean, seamless interiors.
INVI Jamb provides a durable steel solution designed for precision, strength, and long-term performance.