The window sash moves across as it is opened which brings a couple of advantages.
Roof window opening mechanism.
Some manufacturers however call this type of window a venting skylight.
Most often used in conservatories screwjacks are designed for use on skylights and roof vents on a pitched or flat roof.
Screwjacks are particularly popular in conservatories orangeries and skylight windows on a pitched roof but are also used in other situations such as flat roof vents and low level windows on a vertical wall.
Screw jack openers are a threaded rod which you window with a pole or handle if these are low level.
The difference lies in the hinge mechanism.
A roof window actually opens usually with a pivoting awning style mechanism.
Some people prefer the exterior look of these windows as there will be no visible hinges.
The sash moving across gives the ability for the whole window to be cleaned from the inside.
Can be installed as a left hinged or right hinged roof access window.
We stock various finishes lengths and bracket options along with fixed or adjustable winding poles to suit.
For other applications here s our standard chain series 12 volt electric window opener for controlling vents windows skylights shutters and any other item you would like to move with a motorized actuator.
Screwjacks are particularly popular in conservatories orangeries and skylight windows on a pitched roof but are also used in other situations such as flat roof vents and low level windows on a vertical wall.
Window parts hardware window hardware and parts including.
Slim sash and frame appearance.
Easy roof access for repairs maintenance emergency and egress.
This method is easy to implement especially on a flat roof provided you have access to the roof.
Locking device keeps sash in open position.
It is a practical design too.
A traditional window opener or screwjack is threaded brass rod that when twisted using an opener pole or handle extends to open your window or roof vent.
It may even incorporate window screening in much the same way as an awning style window set into side walls.