Here are some tips for installing Wooden Windows that we have learn over the last 25 years.
When installing timber windows, it is of the utmost importance, that the external plaster does not encapsulate the base of the window frame, as water will get in between the wood and the plaster, due to the different expansion coefficients of timber and plaster. This trapped water will be unable to escape, because of the DPC, and will cause the timber to ultimately rot.
Make sure the wooden windows are the right way round.
When installing your windows, please ensure that they are not upside down or inside out. Check that the window frame is installed perfectly level and square, and make sure that the lintels have been propped up for at least two weeks, prior to the frame being installed. Remember that there should be a gap of between 5 & 10 mm between the top of the lintel and the top of the window frame. The lintel must not be resting on the frame.
When glazing meranti windows, you must ensure that before you fix the glazing beads back into wooden windows that you have sealed the glazing beads all round, taking particular care to thoroughly seal the end grain where the glazing bead has been mitered. Don’t forget to also seal the rebate on the window or door before fixing the glass. To prevent water leaking into the house, you must always glaze up against either silicone or putty.
Forcing Windows Closed during construction
When visiting construction sites, we often come across windows which have been forced closed, not withstanding the fact that there is concrete or plaster in the rebate of the frame or sash. This has the effect of causing the sashes to warp and also causes the handles or stays to loosen. Please ensure that before attempting to close your windows, the inside of the frame and sash are free of any debris which could hinder the smooth operation of the window.
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