

Flush Doors
The complete end to end solution to your door and opening needs!
INVI Concept® offers solid flush primed doors machined to match your frames for a premium architectural finish. Ask about our prepping capabilities!
INVI Concept can supply your project with the complete flush door system, including INVI Jamb® door frames, INVI Hardware® hinges, and a full line of flush primed hardboard doors.

FEATURES
Solid Core Flush Doors for an architectural finish.
A selection of door cores are trimmed and fixed with hardwood lipping. For our primed doors, the door lipping is then sanded and a GDC resin paper is applied across the surface, giving it a smooth seamless look. The door is finally prepared with an Acid Catalyst Paint primer. Complete your INVI Jamb order, with a solid particle core door.
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- Door Thickness – 44mm or 54mm
- Fire Rating – FD30 or FD60
- Hinge and lock preps machined to match frames
- Doors are supplied ready grooved for intumescent and acoustic seals
- Available to ship with your next INVI Jamb order
FAQ
INVI Jamb is screw fixed to the jamb studs and header with flat headed screws (through the perforated sides) every 200mm into the wall stud, double screws in top corners and on hinges points, becoming a solid part of the wall structure.INVI Jamb® is the original door jamb system that eliminates architraves, giving you that subtle, contemporary, clean line look. It’s durable, it’s affordable and is at home in commercial offices and showrooms, quality homes and public spaces like hospitals and schools.
- 1x Left hand door stile
- 1x Right hand door stile
- 1x Header
- 1x Head joiner (EZC only)
- Lift off channel (For EZC with Lift Off hinges only)
- Hardware kit including:
- Hinges
- 1x Latch plate
- 1x Plastic latch insert
- Hinge screws
INVI Jamb is fitted after the plaster lining has been installed, and has 35mm perforated sides for flush finishing with top coat into the walls, achieving clean architrave free lines around the doorway.
INVI Concept products are manufactured from zinc annealed steel and meet the finished surfaces standard AS/NZS 2311:2009 to ensure it can be painted immediately with standard wall paints, without any special preparation, so long as it is free of dust, dirt and oil.
Yes, architraves can be fitted, but the INVI Jamb concept is designed to create an ‘architrave-free’ opening.
INVI Jamb can be used with a variety of concealed and non-mortised hinges. Stainless Stainless steel INVI Jamb Herline hinges are provided with each door frame (lift off hinges are available if required).
Yes, INVI Jamb can be used with a solid core door. You will need to make sure that you are using the correct hinge and quantity to accommodate the door weight, making sure the hinge screws penetrate through to the timber stud behind the jamb, so that the weight of the door is swinging off the stud, and not off the INVI Jamb.
Plaster around the edges of the INVI Jamb will not crack if the INVI Jamb is installed according to the installation guide — i.e. must be screwed off every 200mm and double screwed at the hinge points and top corners. INVI Jamb then becomes an integral part of the wall.
Yes, custom made INVI Jambs are available with no header for full height doors.
10 -15 minutes depending on the installer.
Yes, masonry wall installation instructions are available contact sales@ezconcept.com.au for more details.
The manufacturer strongly recommends a timber stud or a 0.75 BMT metal stud on both sides of the opening.
EZC – The latch plate is surface mounted on the INVI Jamb Classic Adjust frame.
SRC – The latch plate is recessed into the frame for the INVI Jamb Single Rebate (SRC).
INVI Concept products are manufactured from highest quality zinc annealed cold-formed steel sections.
INVI Jamb frames are not welded and are clipped together using a unique INVI Jamb system that ensures an easy install and smooth finish.
- Key Features
-

FEATURES
Solid Core Flush Doors for an architectural finish.
A selection of door cores are trimmed and fixed with hardwood lipping. For our primed doors, the door lipping is then sanded and a GDC resin paper is applied across the surface, giving it a smooth seamless look. The door is finally prepared with an Acid Catalyst Paint primer. Complete your INVI Jamb order, with a solid particle core door.
-
- Door Thickness – 44mm or 54mm
- Fire Rating – FD30 or FD60
- Hinge and lock preps machined to match frames
- Doors are supplied ready grooved for intumescent and acoustic seals
- Available to ship with your next INVI Jamb order
-
- Resources
-
- FAQ
-
FAQ
How is the INVI Jamb fixed?
INVI Jamb is screw fixed to the jamb studs and header with flat headed screws (through the perforated sides) every 200mm into the wall stud, double screws in top corners and on hinges points, becoming a solid part of the wall structure.What is so Unique about the INVI Jamb Flush Door Jamb?INVI Jamb® is the original door jamb system that eliminates architraves, giving you that subtle, contemporary, clean line look. It’s durable, it’s affordable and is at home in commercial offices and showrooms, quality homes and public spaces like hospitals and schools.
What's included in the INVI Jamb frame kit?- 1x Left hand door stile
- 1x Right hand door stile
- 1x Header
- 1x Head joiner (EZC only)
- Lift off channel (For EZC with Lift Off hinges only)
- Hardware kit including:
- Hinges
- 1x Latch plate
- 1x Plastic latch insert
- Hinge screws
How is the architrave-free INVI Jamb fitted with plaster walls?INVI Jamb is fitted after the plaster lining has been installed, and has 35mm perforated sides for flush finishing with top coat into the walls, achieving clean architrave free lines around the doorway.
Do I have to use any special paint or preparation methods on INVI Concept products?INVI Concept products are manufactured from zinc annealed steel and meet the finished surfaces standard AS/NZS 2311:2009 to ensure it can be painted immediately with standard wall paints, without any special preparation, so long as it is free of dust, dirt and oil.
Can I fit architraves with the INVI Jamb system?Yes, architraves can be fitted, but the INVI Jamb concept is designed to create an ‘architrave-free’ opening.
What hinges should be used with INVI Jamb?INVI Jamb can be used with a variety of concealed and non-mortised hinges. Stainless Stainless steel INVI Jamb Herline hinges are provided with each door frame (lift off hinges are available if required).
Can INVI Jamb be used if I have a soild core door?Yes, INVI Jamb can be used with a solid core door. You will need to make sure that you are using the correct hinge and quantity to accommodate the door weight, making sure the hinge screws penetrate through to the timber stud behind the jamb, so that the weight of the door is swinging off the stud, and not off the INVI Jamb.
Will plaster crack around the edges of the INVI Jamb?Plaster around the edges of the INVI Jamb will not crack if the INVI Jamb is installed according to the installation guide — i.e. must be screwed off every 200mm and double screwed at the hinge points and top corners. INVI Jamb then becomes an integral part of the wall.
Can INVI Jamb be used in a doorway with no header?Yes, custom made INVI Jambs are available with no header for full height doors.
How long does it take to fit an INVI Jamb frame?10 -15 minutes depending on the installer.
Can INVI Jamb be used with masonry or brick walls?Yes, masonry wall installation instructions are available contact sales@ezconcept.com.au for more details.
What jamb studs do I use for the opening of an INVI Jamb?The manufacturer strongly recommends a timber stud or a 0.75 BMT metal stud on both sides of the opening.
Is the latch plate recessed into the frame?EZC – The latch plate is surface mounted on the INVI Jamb Classic Adjust frame.
SRC – The latch plate is recessed into the frame for the INVI Jamb Single Rebate (SRC).What material are INVI Concept products made from?INVI Concept products are manufactured from highest quality zinc annealed cold-formed steel sections.
Are your frames welded?INVI Jamb frames are not welded and are clipped together using a unique INVI Jamb system that ensures an easy install and smooth finish.





















