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Old 12-25-2011, 05:51 PM   #1
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Attic Opening

Hi everyone,

I am covering the attic opening in my garage ceiling. Two questions please:
What amount of length should I add for the 45 degree angles ?
Also,how do i measure or cut to get enough trim to extend past the opening to hold the drywall.

Many Thanks and Merry Christmas!

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Old 12-25-2011, 06:10 PM   #2
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Attic Opening

For a simple first time DIY way to do it is to mark two lines on the back side of the trim 1/2" in from the edge of a piece of casing that's cut been precut 6" longer then the opening. tack two finish nails at the marks. Now hold the piece up and set the nails againt the opening, and make a mark on each end on the sheetrock, do it again for all sides. Now you have the lines to measure for length.

Last edited by joecaption; 12-25-2011 at 06:16 PM.
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Old 12-25-2011, 06:12 PM   #3
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Attic Opening


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Old 12-25-2011, 06:14 PM   #4
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Attic Opening

You will be happiest if you use a little wider trim than the usual--I like 2 1/2"

Take your trim miter measurements from the inside of the miter--\______

Measure the opening--deduct the over hang X2--I like 3/4"--so 3/4 x 2 =1 1/2"

Make two of those--do the same for the other side---nail the corners of the frame together--

Lift the frame to the hole--center it--and nail it home---
New members: Adding your location to your profile helps in many ways.--M--
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