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Screwjack Openers
 Cleveland Metal Window Services


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Job Examples.htm

Screwjack Openers - Top, centre and bottom hinged windows

The range of screwjack openers available features three main options for cill, head or louver applications.  With a mechanically irreversible action the screwjack system may be utilised for heavy application where its design enables a considerable reduction in load on both the window-gear and the operator handle.

Incorporating the ability to sustain a load at the point of application the screwjack will effect secure tight closing.


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Last modified: 08/13/04