Reglazing a Window

Filed Under: DIY Outdoor, Do it yourself, Home repair, Remodeling    by: ITC

First you must line the rebate with putty. You can either take a ball of putty in the palm of your hand and squeeze it out between thumb and forefinger using your thumb to press it in; or you can roll the putty into finger- thick sausages and press these into place. Wet your hands before handling putty to prevent it sticking to your fingers. and knead it until it is pliable and any surface oils are thoroughly mixed in.

Next, press the pane into the puttied rebate with the palms of your hands, so that putty oozes out, around and behind the glass. Apply pressure around the edges rather than in the centre of the pane and check that, when you’ve finished. the glass is separated from the frame on the inside by a bed of putty which is 2mm to 3mm (up to ‘Vain) thick.

Now for the unnerving part — nailing the glass in place. It’s best to use glazing sprigs, but you could make do with 19mm (3/4in) panel pins that have had their heads nipped off with pliers. You’ll need at least two per side, spaced no more than 230mm (9in) apart, and you must be sure to drive them squarely into the wood so they don’t pinch and crack the glass. When you’ve finished, just over 6mm (1/4in) of pin should be showing.

The final stage is to fill the rest of the rebate with a triangular fillet of putty that neatly covers the pins. Apply the putty in the same way as when lining the rebate, and use a putty knife or an ordinary filling knife to do the shaping, mitring the corners of the fillet as neatly as possible. Wet the knife blade to prevent the putty sticking to it as you draw it over the fillet.

Clean off the excess putty — including any that oozed out inside the pane earlier — and allow to dry hard before painting.

When you need to reglaze a window that isn’t at ground level, you’ll have to jerk from a ladder. Obviously you’ll have to be organized when working at a height. Tap out most of the glass first from inside — and make sure there’s no one standing below as you do so. Put all the tools and equipment in a bucket which you can hang on a hook attached to the ladder at the top. Don’t try to carry the glass — it’s best to get someone to pass it through the window.

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