NTK Industries designs and develops bifold doors suited to your home, these doors currently do not allow for Invisigard security screens, but do allow for Hawkesbury plus retractable fly screens, which we are qualified to install. Bifold doors are a high quality door that elevate any space by giving a luxury feel and opening up the area as much as possible and can also be incorporated as a corner bifold door. Please contact us with your dimensions, and frame/glass colour for a free estimation.