Storm Window - is 51 x 105 too big for 1 light?
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rnpatrick



Joined: 10 Sep 2014
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PostPosted: Thu Sep 11, 2014 8:16 pm    Post subject: Storm Window - is 51 x 105 too big for 1 light? Reply with quote

Hi all,

I have a shed dormer with 3 double-hungs in it that I would like to make a single storm window for. To do this, I need to make a storm window that is approx 51" high by 105" wide

Ideally I would like to make the sides and top 2 1/2" wide and the bottom 3 1/2" wide and use a single pane of glass, and hang it on traditional storm hangers and secure it with turn buttons. I plan on glazing it with Sarco MultiGlaze. Oh and 1 1/8" thick on the frame.

This storm window will not be removed seasonally (since it is in a dormer the windows are about 16' off the floor and never opened) weight and storage are not problems. I bet this thing does not get opened 5 times before I die (many years from now I hope!)

But I am concerned that with a single piece of glass that big I might get thermal expansion over it's length that would stress the glazing compound.

What do you all think? I could create 3 lights - one for each window - but I really want to minimize the visual impact from inside the house.

Thanks for your ideas and thoughts!
RP
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johnleeke
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Joined: 20 Aug 2004
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Location: Portland, Maine, USA

PostPosted: Fri Sep 12, 2014 12:23 pm    Post subject: Reply with quote

I would definitely break that up into three lights, and have a good plan for getting such a large and heavy sash into place.
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rnpatrick



Joined: 10 Sep 2014
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PostPosted: Fri Sep 12, 2014 5:08 pm    Post subject: Reply with quote

Thanks for the input John. A piece of 1/8" glass that big will weigh 51 lbs - plus the weight of the frame. Not something I would want to do every day but workable.

The dormer is in a window well that provides a pretty good place to stand while hanging the window and I have plenty of space to set up ladders - and a strong teenage son to help ;-)

I have been leaning toward 3 lights and you just pushed me that way.

rob
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johnleeke
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PostPosted: Sat Sep 13, 2014 9:54 am    Post subject: Reply with quote

Keep us posted on your progress. Here's the discussion on making storms:

http://historichomeworks.com/forum/viewtopic.php?t=2555

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JLee



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PostPosted: Wed Oct 29, 2014 3:18 pm    Post subject: Reply with quote

Plus if it's wood it would be more susceptible to warping being that large
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rnpatrick



Joined: 10 Sep 2014
Posts: 3

PostPosted: Thu Nov 06, 2014 5:00 pm    Post subject: Reply with quote

johnleeke wrote:
Keep us posted on your progress. Here's the discussion on making storms:

http://historichomeworks.com/forum/viewtopic.php?t=2555


Thanks, John - I saw that post and it had a lot of good info.

So now my question is how much space should there be between the edge of the frame and the glass? I made the frame to fit the window and then took it to a glass shop and LEFT IT WITH THEM to have 3 pieces of glass cut to fit. After I get it home, I find the glass is very tight in the frame. It makes me mad because they charged extra to fit the panels into the frame but doubt they did anything except just measure and cut.

If having the glass snug in the frame is OK I guess I am good but I thought it needed to be 1/8" smaller each way, which this definitely is not. I can take it back but the drive is not short - which is what is making me wonder if I can go as is.

Too bad I can't just whip out a a plane and take the glass down a bit!

Thoughts?
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johnleeke
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Location: Portland, Maine, USA

PostPosted: Wed Nov 19, 2014 11:51 am    Post subject: Reply with quote

Glass over 36" should be set with glazing blocks, which requires at least 1/16" gap all around. A glass shop should know this. But now you know that you have to specify this. It is very difficult trim glass just 1/16" or 1/8". The glass shop may be set up with equipment to grind off an edge like this.

Here is the best discussion about glazing blocks, or setting blocks:

http://historichomeworks.com/forum/viewtopic.php?p=1472#1472

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