You can learn more from our asked questions
Where is the INVI Concept office located?
INVI Concept’s UK Head Office is located in Rugby, Warwickshire.
What is so unique about the INVI Jamb flush finish door jamb?
INVI Jamb® is the original door jamb system that eliminates trim, 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.
How is the architrave-free INVI Jamb finished 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, without any special preparation, so long as it is free of dust, dirt and oil.
Can I get solid core doors from INVI Concept?
Yes, INVI Jamb flush primed doors are available and machined to match your frames for a premium architectural finish. The door can be fully finished, veneered or laminated.
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 about skirting? What can be used?
Any type of skirting can be used but to compliment the flush finish look — “INVI Alubase®” slim line aluminium skirting which is only 1.6mm in thickness is the best matching option. Our Custom Shadowline can also be used with a flush timber or stone skirting, along with surface ‘plant on’ skirtings.
What hinges should be used with INVI Jamb?
INVI Jamb can be used with a variety of concealed hinges. Mortice hinges are also available for the Single Rebate and InSwing frames.
Can INVI Jamb be used if I have a solid core door?
Yes, INVI Jamb can be used with a solid core door. You will need to ensure that you are using the correct hinge and quantity to accommodate for the door weight. If there are fire rating requirements, you may not be able to source the doors elsewhere.
Will plaster crack around the edges of the finished 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 Jamb are available with no header for full height Non-Fire Rated 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, a timber liner must be installed. Please reference our Wall Prep Guide. Contact sales@inviconcept.com for more details.
How can I achieve that flush finish look throughout the rest of my project?
Check out our extensive INVI Concept® Finishing range of products.
Cavity Sliders - How do I match in the clean line look?
A range of INVI CavKit® trims are available to transform your existing cavity slider unit into an architrave free door way. We can also supply complete flush finish INVI CavKits. Contact us to find out more about our INVI SlideSet® flush finish cavity sliding system.
What jamb studs do I use for the opening for an INVI Jamb?
The manufacturer strongly recommends a timber stud or a 0.75 BMT metal stud on both sides of the opening. We recommend using a double stud as per the Wall Prep details.
Does the SlideSet come with a INVI CavKit?
Yes, our INVI SlideSet pocket doors include the trims.
Can I match my windows with the clean line look?
Yes, a large range of INVI Reveal® angles are available so that your whole project will blend in with the architrave free look.
Is INVI Concept an environmentally friendly brand?
Responsibility for and caring for the environment in which we live is a Minarchi UK hallmark promoted at every level of our business. Our commitment to the environment means less waste and no chemical treatment is required on our products.
Do the INVI Jamb frames require welding on site?
INVI Jamb frames are not welded and are clipped together using a unique INVI Jamb system that ensures an easy install and smooth finish.
What material are INVI Concept products made from?
INVI Concept products are manufactured from highest quality cold-formed steel sections.