Glazing Old Windows

Always prime a bare sash with an oil based primer prior to glazing.

Glazing old windows.

Window glass called glazing has come a long way since the days when windows had only a single pane between you and the elements. Just pull the glazing back out while it s still soft roll it around in your hands to warm it up again and press it back into the window again for a do over. It is very brittle and can easily break. First you need to remove the operable part of the window where it slides up or down.

Double pane insulated glass with low e coating is a major energy saver. On older single pane windows the glass is usually surrounded by putty called glazing compound. Do not prime the glazing. Remove the old glazing.

Wait until the glazing putty has formed a skin 3 4 days for type m putty or 2 3 weeks for dual glaze putty before you. Here this old house general contractor tom silva installs a tilt in double hung sash. First examine the exterior of your windows to see what condition they re in. Join steve as he shows you how easy it is to glaze a sash.

Of course he s glazed 10 000 sashes and makes it look easy but then again he s had the practice. Glazing windows is just like anything else the more you do it the easier it will get. How to reglaze a window step 1. We use sarco seal putty as it glazes over much faster than dap33 and is recommended by professionals.

There are different types of glazing compounds. Every editorial product is independently selected though we may. Wear gloves when handling antique glass. Remove the old glazing.

So don t get frustrated if your first attempt doesn t look very tidy.