ABC Window Solutions installs and sells bi-fold doors. Bi-fold doors come as aluminium bi-fold doors and timber bi-fold doors. Why not replace your existing sliding doors with the unique look of bi-fold doors to create an outside-inside look? You can buy bi-fold doors from us directly, or you can purchase your own bi-fold doors and use our installation service. We install bi-fold doors from Stegbar, Vantage and Dowell.