Repairing Glazing Old Windows

Soften old hardened putty glazing compound with a heat gun set to medium and fitted with a nozzle shield.

Repairing glazing old windows.

The glass should be cleaned so that all of the putty oils are removed. It is linseed oil based and as close to the old stuff they used to use. Once the old glazing is removed as well as the glass scrape the mullions with the triangular scraper to remove any glazing or old paint. Repair a wood window in 12 steps.

A primer is not needed. When glazing a window one of the first things you ll need to do is remove any old glazing that s chipped or damaged. Pry them out of the wood. Sand primed surfaces if needed.

If you are glazing your windows in a garage or shop use sarco type m putty. The sharp tip of a paint scraper can be used to carefully remove the points without damaging the glass. Remove the glass and label it so you know which opening to put it back into. Average time to do the above work is one hour per six pane window.

Sarco glazing putty this is the only brand of glazing putty i recommend. If you used the epoxy consolidant to coat your window sand it to remove the gloss and then paint with a good acrylic. The epoxy will soak into the wood and make it harder than original as well as waterproof. If the old glass is in good shape leave it in place.

Sand and scrape to reach the original wood. Scrape the putty away with a putty knife. Sand wood surfaces if needed. If your windows will be glazed outside and exposed to the elements prior to painting use sarco dual glaze.

Put on heavy gloves and eye protection place a cloth over the broken pane and tap it with a hammer. This exposes the metal glazier s points. If the glazing is still in place and looks good for part of the window it can stay but it s best to completely remove any glazing that looks chipped or loose because it can prevent the new glazing from adhering as it should. Pull out the old glazing points with pliers.

With the glass thoroughly broken up pull the shards out of the frame by hand. If the bottom edge of the lower sash s. It is important that in painting the glazing the paint flows onto a small part of the glass to make a weather tight seal. The points are covered by glazing compound.