Looking for some advice:
I've made an oak frame for a large mirror and now I need to set the mirror
into the frame. I've got a Fletcher point driver, but the problem seems to
be that the points slip off the tool very easily and, when they do, it sends
a shock through the frame which can cause the mirror to crack, even though
I'm using a masonite backing board. I haven't been able to find a tool to
adequately drive a point into oak without the risk of cracking the glass -
they all seem geared to small picture frames. The one I have presses the
point into the wood but, again, it slips. Others "fire" a point in, and
that implies a shock as well.
I'm not new to woodworking and I know I could fudge something, but I want to
to find something that looks good even though that part of it is facing a
wall. Any ideas?
Because you should not have to replace the mirror often, simply seal the
backing board in with "Mirror" grade sealer. Any glass shop should have it.
Regular sealers may damage the mirror plating, should some get the back or
Typically the seal is easy to cut if replacement becomes necessary.
is the mirror set into a rabbet in the back of the frame, or floating like a
panel in a slot in the rail/stile of the frame?
if the latter, you don't have to do anything. if the former, then you can
trap it with thin slats of wood or metal across the corners.
hint: i like to put butcher paper on the backs of all the mirrors i make
frames for. use rubber cement to hold it to the back of the frame, not on
the back of the mirror. this prevents scratches if the mirror gets slid on
you can use non-acid cure silicone glue and no points, but i'm not sure i'd
do that on a very large mirror.
If the mirror is large you could use a piece of 1/4 Luan or birch
plywood over the back of the mirror, not only holding it in place but
protecting the mirror form scratches. You could either glue it or use
that's a good idea i'll have to steal for my next one. i make lots of frames
for my stained glass panels done with mirror for hanging on the wall.
Oak isn't the best wood for puttied-in windows, which is
the usual place to use glazier's points.
In oak, you might want to use a screw-and-washer retainer, or
brad-setter and moulding (shaped like glue blocks, but removable).
For safety, don't rely on glue alone.
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