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Old 06-13-2010, 01:26 PM   #1
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cutting window opening in a door?

i have a beveled glass window for the solid, steel clad, walkin garage door. going to cut a 23x37" hole in door for window. i have one chance to get this right, or door is history, so i don't want to bunge it up. what saw & blade would work best to get a neat square hole cut in for this? i think a saber saw might not cut straight or square. a skill saw, with a guide?

ideas welcome.


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Old 06-13-2010, 01:53 PM   #2
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cutting window opening in a door?

A skill saw with a steel cutting blade might work--it will depend on the core of the door--

A steel cutting blade is just a steel disk with a few heat relief slits cut into it(Menards has them in our area)--I've cut lots of steel up to 1/8 inch thick with a SkillSaw and a blade like that--An all steel(no carbide) fine toothed plywood blade also works.--Start slow and wait for the sparks--they don't really "cut' they melt the steel.

An angle grinder with a cut off wheel will also do the trick.

A set of sheet metal three blade shears (this removes a 1/8 inch strip) will work ,if the core of the door doesn't get in the way.

There are other ways,too. Some a bit dangerous--I'll leave those out.---Mike---


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Old 06-13-2010, 02:03 PM   #3
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cutting window opening in a door?

Is this a door from the house to the garage ?
Or from the garage to outside ?
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Old 06-13-2010, 09:04 PM   #4
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cutting window opening in a door?

The 'metal cutting' blade will overheat the metal and blister the paint. Don't ask me how I know this...

I would use a carbide toothed framing blade installed backwards (with safety glasses) to cut the hole. It has worked for me in the past.
Originally Posted by Bud Cline View Post
Go ahead and apply for a variance, those guys at City Hall can use a good laugh.
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