...folds back inline with exterior cladding

SS Bifold Door Table

Colonial Glazing Bars     Passive Ventilation     Hardware     Jamb Liners     Flashings


Maximum sizes for bifold doors vary by width, height, wind zone, and glazing requirement. Your local Bradnam's branch will be able to advise you whether a configuration is possible or contact Altus Technical support.

As a guide, bifold panels up to 2.2m by 0.85m are recommended.

Inline Bifold

This door folds back 180° in line with the building. To do so, the front of the frame must be within 20mm of the face of the exterior cladding in a recessed application.

Frame Types

Glazing, Beads and Panel Types


Mullions and Transoms



An Aluvent passive ventilation enables passive ventilation to be included into bifold doors. Refer to the Aluvent section.



A standard range of flashings include 95mm, 84mm,71mm, 68mm, 63mm, 58mm, 53mm, 48mm, 45mm, 41mm, 38mm, 31mm, 25mm and 14mm. These have been designed to comply with E2/AS1 Amendment 6 requirements. Refer to flashings section.



Proprietary Altus NZ Limited bifold hinge, inline hinge, and bifold roller assemblies are critical components to provide attractive visual and functional performance of doors and windows. Other considerations include multipoint locks and twin bolts.

Refer to hardware section.

Special Support Brackets

Special support fixing brackets are required in timber frame cavity construction designs for both types of doors.