Sliding - Hinged - Roller - American Style outer door, lift out, screw fixed. Most are designed to store away in winter if required. But being light, well designed and attractive, many customers leave them in situation all year round. Screens are made for all types of windows, doors even Patio doors. But still allowing access to exiting. Screens are normally fitted to the inside of the window (But available for external use). Available self-fit or installation service if require also we could desgin the window or door as per your requirements specially!