Morticed Butt Hinges

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

EzyJamb 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.

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.