Opening Casements


Hinges and pivots should be lubricated using a light penetrating oil at yearly intervals. If seized up, they should be doused with a penetrating spray (such as WD40) and gently worked free. For safety reasons too much lubrication is NOT generally recommended for friction type hinges in case they swing too freely without restraint.

Friction hinges and pivots have stainless steel, brass or nylon bearings which normally function well without lubrication oil, but their tightening screws and locking nuts should be checked periodically.

Certain types of casements also have drainage holes in the outer sill section that can become clogged with paint, grime or insects. Clean holes regularly to ensure the windows/doors maintain their designed weather performance.


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