Want to install attic stairs


Old 05-25-17, 04:25 PM
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Want to install attic stairs

I will have to CUT some joist in attic (about 50-60 in long). What is the best or correct way of reinforcing before I cut them. A picture would be best if possible to show what it would look like.
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Old 05-25-17, 05:23 PM
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Need a picture from you first.
Is it being installed in a hallway with walls on both sides?
Read the install directions on the set of stairs you plan on installing, all that info should be right there.
Old 05-25-17, 06:24 PM
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I will have to CUT some joist in attic (about 50-60 in long).
Do you mean you are running it perpendicular to the joists or are you running it the same direction as the joists. The latter is the usual way and IMHO less complicated.
Old 05-26-17, 06:03 AM
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Ceiling Joists

Are your ceiling joists actually bottom chords of roof trusses? If so, do not cut the trusses.

As has been said, attic stairs are designed to fit between ceiling joists spaced 24 in. OC.
Old 05-26-17, 07:52 AM
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I want to chime in also.... Do not install the ladder perpendicular to the joists.
If it's not possible to fit the long dimension in between existing joists, then there isn't room for the ladder.

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