Repairing Putty Window Glass

Have you ever thought about fixing a brokenof flying glass. As my Father always used to tell me,
window in your house, but didn't think you could do it"Better safe than sorry". Now, go inside with a
because nobody ever taught you how to cut glass?hammer in hand and knock the glass out of the
Well, you really don't have to know how to cut glasscenter part of the window. It's best to leave some
in order to repair your window. If you knew how toglass sticking out around the edge. You can grab the
remove the frame, you could order a replacementprotruding glass and use it as leverage to pop the old
piece of glass from your local glass shop already cutputty loose. The more old putty that you can get to
to the proper size. Then, it's just a matter of installingcome out along with the glass, the less scraping you
the new glass into the frame. But, there are so manywill have to do. I have done some wood window
different kinds of window out there, there is no wayreplacements where the putty was dried and
i could explain them all in one article. So, this is goingcracked, and it practically fell out on it's own. On the
to be the first in a series of articles describing theflip side, i have done some where the putty had
repair procedure for each type of window.There arealmost become a part of the wood. The only way to
really two categories of windows out there. Theyseparate the putty from the frame in those
are single pane windows and dual pane windows.instances is to use a putty knife to scrape it down to
Then, within those two categories, there are severalthe wood. While removing the putty, you will find
types of windows in each category. Let's start withlittle pieces of metal that are used to hold the glass in
the single pane window category. This would be olderplace while applying the putty. The wood windows
windows that were around before the buildinguse push points, and you can get a package of new
industry became more energy conscious. It justones at the hardware store. If you're working with
means that there is a single piece of glass in thethe metal casement window, the metal clips are
frame that surrounds it. A lot of homeownerscalled sash clips. You might have a harder time finding
mistakenly think a horizontal sliding window must be athese. Frankly, i don't see any problem reusing
double pane window, since there is a pane of glass inthem.Once you have all the glass and putty removed,
the sliding panel and another pane in the stationaryclean the frame with a paint brush. Then measure
panel. The terminology refers to the number ofthe width at three spots:bottom, middle, and top.
panes in the sliding or fixed panel alone. In otherTake the smallest measurement and deduct 1/8" for
words, a single pane horizontal sliding window has awood windows and 3/8" for steel casements. Then,
single pane of glass in the sliding panel, and a singlemeasure the height at the left side, center, and right
pane in the fixed panel. A double pane slider wouldside. Take the smallest measurement and deduct 1/8"
actually have two pieces of glass in both the slidingon wood windows and 1/4" on casements. When
panel and fixed panel. The pieces in each panel areyou order your new glass, order double strength
separated by approximately 3/8" of air, and have aglass, and give the width first, then the height. When
metal spacer around the edge of the glass.So, let'syou get the new glass home, the installation process
get back to the single pane repairs. One of the moreis slightly different between wood and steel windows.
common types of single pane windows are the typeIf it's wood, put a thin bead of caulk on the frame
that uses putty to hold the glass in the frame. All oldwhere the glass is going to make contact. Install the
wood windows are done this way. Old metalglass. The caulk will hold the glass in place while you
casement windows are usually done this way as well.install the push points. You can either apply putty or
The casement window is the kind with the handle onuse white caulk instead. If you're going to use caulk,
the inside bottom corner that you crank, and thecut the tip below the tapered part, and cut at a 45
window opens outward on a top and bottom pivot.degree angle. You want the largest possible hole to
Let's focus this article on the putty styleallow the caulk to cover the large area previously
replacements.Before you begin, pick a local glass shopcovered by the putty. The caulk method is faster
in your area where you will go to pick up the newthan putty, but it requires more skill to make the job
glass. Make sure they are going to be open the daylook nice. If you have steel casements, the only
you do the work, and confirm with them that if youoption is putty. The area is just too large to use
call in an order for a pane of glass in the morning,caulk. The sash clips install differently than the push
you can pick it up in an hour or two. You dont wantpoints. The push points stick into the wood, but the
to remove the glass from the window frame, thensash clips insert into small holes in the side of the
find out the glass shop won't have your glass cutcasement frame. Sometimes the holes get plugged
until next week. If they can't guarantee a two hourwith old putty and it's easy to overlook them. Take
turnaround, keep looking.The fastest and easiest wayyour time applying the putty. Make sure you use the
to remove the old glass is to break it out. Put an oldputty knife to smooth the surface. You just repaired
sheet or a tarp on the ground below the window.your putty window.I will be on Christmas vacation for
Then, put on some gloves. Use gloves with a materialthe next two weeks, but when I come back, I will
that will prevent a piece of glass from cutting yourcontinue this series of articles on repairing single pane
hands. A pair of gardening gloves should work fine.windows.John Rocco has been installing
Get yourself a pair of safety glasses as well. Trustreplacement windows since 1978.
me, you don't want to get hit in the eye with a piece