need to drill 6" hole


Old 02-19-19, 08:22 AM
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need to drill 6" hole

I need to drill a 6" hole in the roof for my range vent. I need to duct it out to the roof since it's the easiest place. I do not have a 6" hole saw- Since I only need this of the one hole..... will the ones on Amazon do? they all say they are designed for the "cornhole" game.... I just need to make this one hole and don't feel like spending 50 bucks on it. will this do the trick?
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Old 02-19-19, 08:28 AM
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Yes it should work but since your roof is at an angle, you will need a slightly oval hole, not a perfect circle. Also your shingles would likely dull the teeth, so you would want to drill primarily from the attic side of the roof. A round hole would likely need to be made a little more oblong on the top and bottom... the steeper the roof the more oval it will be. You could use the hole saw then cut a little more out with a sawzall or jigsaw to make it oval.

I would probably forget the hole saw and just cut the entire thing out with a sawzall.

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