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Old 12-12-2009, 09:49 AM   #1
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Attic staircase


Any recommendations on the best brand for a new attic staircase?

Going to be installing staircase so I can have storage in the attic.
My joists are 2x6., The staircase lenght will be perpendicular to the joist.
I will have to remove two joists.
Will 1 2x6 for a header be enough, or should I sister a pair of them for the headers?
I also read somewhere that the full joists (king studs?) the header is perpendicular to may be sistered. Not sure about this.

There is no ceiling up right now, so all I'm doing is framing the rough, will install after eiling goes up. Is the the right order of installation?
Thanks

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Old 12-12-2009, 12:47 PM   #2
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Attic staircase


2X6 joists? whats the span? Hope its less than 8' especially if you want to use it for storage.
We double all four points.

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Old 12-13-2009, 07:18 AM   #3
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Attic staircase


What he said, no single headers. If it runs perpendicular to joist direction, screw a temporary 2x6 to the top of all the joists for support before you cut anything.
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Old 12-13-2009, 11:11 AM   #4
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Attic staircase


Quote:
Originally Posted by sharp View Post
Any recommendations on the best brand for a new attic staircase?

Going to be installing staircase so I can have storage in the attic.
My joists are 2x6., The staircase lenght will be perpendicular to the joist.
I will have to remove two joists.
Will 1 2x6 for a header be enough, or should I sister a pair of them for the headers?
I also read somewhere that the full joists (king studs?) the header is perpendicular to may be sistered. Not sure about this.

There is no ceiling up right now, so all I'm doing is framing the rough, will install after eiling goes up. Is the the right order of installation?
Thanks
there are some really nice units out there, but the price is up there too. regular ones are around 150-200 bucks and i think werner and louisville make them in several different opening sizes. i usually frame them for a 25-1/2"x54" rough opening. that seems to be common size.

double framing all around
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Old 12-13-2009, 11:40 AM   #5
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Attic staircase


i would suggest sistering 2x8 to10 to all the joist. 1-where you putting isolation, 2 if you plywood for storage you will not get much inso in 2x6 pocket, 3- you will store too much stuff with easy access. Or you may be able to get more height and some structural integrity by going perpendicular with 2x6 stiffbacks
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