Interior glass pane door: suggestions needed

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Forum topic by twelvepoint posted 10-31-2013 05:05 PM 946 views 0 times favorited 3 replies Add to Favorites Watch
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38 posts in 2202 days

10-31-2013 05:05 PM

I have an upcoming project to build an interior door from the main house to an enclosed porch/rec area. I would like it to be fir, or a similar species appropriate for doors, with a grid of 6 glass panes in a muntin lattice (not sure if that’s the right term).

Last year, I built a bathroom door with inset panels, so I’m feeling pretty good about the overall frame construction. What I don’t have experience with is creating the muntins, and how they get milled to intersect, and how they join into the outer frame. I’ve seen some illustrations, but if anyone has some first-hand experience, I’d appreciate it.

A couple specific questions:

1) When milling an inside profile on the outer door frame, is it preferable to continue the profile into the joint, and cut a matching profile on the end of the rails? That technique seems fine (and fast) for cabinet doors, but I’d think for a heavy passage door, I’d be better off mitering the profiles, and making the actual joint as a normal mortise and tenon? For my last door, I actually did the profile as an applied molding, which was an extra step, but less error-prone, given my skill level.

2) I don’t know anything about glazing, and I’d like to know whether I can get away with just glazing points and putty, or if I should use little strips of wood to hold the glass in place. I was thinking about recycling some antique glass I got from old windows, but I’m a bit concerned about safety. Should I maybe consider tempered panes?

I know this is a lot, but any advice is appreciated. Thank you!


3 replies so far

View squazo's profile


120 posts in 1884 days

#1 posted 11-27-2013 02:57 AM

you can can the old panes and get them tempered or you can laminate them your self with protective window film or you can do both(not really needed) this will same you about 50% in costs over buying new glass. I would laminate them as it is easier cheaper and more secure then tempered. sorry I cant help with the other part you absolutely must use glazing or silicone and then cover with wooden strip if for no other reason then to cover where you would see the glazing

View MrRon's profile


5270 posts in 3483 days

#2 posted 11-27-2013 06:04 PM

You could use one large piece of glass and apply a muttin overlay on both sides of the glass.

View mahdee's profile


4045 posts in 2007 days

#3 posted 11-27-2013 06:37 PM

I have made a few doors and used the strips around the panes. As you said, it is an extra step, but trying to match the rail edges with the router edges can be a challenge as well. Unless you have two router bits that work as a sort of tongue a groove.


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