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Old 12-09-2013, 10:37 AM   #1
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Creating Attic Storage Space - Outdoor Shed


So I bought a house with a nice outdoor shed. The peak is really tall and the original owner had done a really poor job of creating an attic storage area (he actually screwed the 3/8" plywood to the bottom of the joists ensuring the only things holding up the weight was the screws).

I've since removed the plywood and am designing a new attic storage area that is not only safer, but can withstand more weight.

The original design (which obviously sucked) used 2x4's for the joists. Well he had a ton of weight up on one side and one of them is cracked end to end. My thoughts were that if I have to replace one, I may as well replace them all but instead of 2x4's, I was going to use 2x6's. I know I'll be sacrificing storage space but I'll be making the entire attic space more stable.

I planned to use 2x6's on either side of the roof joist as well. Basically for every joist (they are 24" on center) I'll be using 2, 2x6's on either side running the length of the opening (its 10 feet). I then plan to use 3/4" plywood for the actual attic flooring.

My question is - am I over-engineering this thing? I want it to be safe, especially after noticing the 2x4 that is cracked end to end already but I also want to ensure I'm not doing too much work here. I'm going to have an opening for an attic access ladder as well but I've got that all figured out already.

Would pictures make this easier to understand?

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Old 12-09-2013, 12:02 PM   #2
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Creating Attic Storage Space - Outdoor Shed


Pictures are always nice.
I'd be using 2 X 8's not 6's.

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Old 12-09-2013, 12:03 PM   #3
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Creating Attic Storage Space - Outdoor Shed


Quote:
Originally Posted by joecaption View Post
Pictures are always nice.
I'd be using 2 X 8's not 6's.
I'll snap some pics later and post them - my other question though - is using two per joist overkill?
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Old 12-09-2013, 12:10 PM   #4
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Creating Attic Storage Space - Outdoor Shed


Only need one if you use 8's.
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Old 12-09-2013, 12:16 PM   #5
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Creating Attic Storage Space - Outdoor Shed


Between the added 3.5" (from a 2x4 to a 2x8) and the 3x4" plywood, I'd be giving up over 4" of height in the new attic space. I'm going to have to measure that out to see if that still provides me enough room to store everything we are hoping for.
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Old 12-09-2013, 04:54 PM   #6
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Creating Attic Storage Space - Outdoor Shed


you could also add a 2x4 to the side of the ones there and nail them together well making it lots stronger and not lose any height. what type of span are you talking about for the 2x4's?
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Old 12-09-2013, 05:35 PM   #7
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The opening is 10' wide
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Old 12-09-2013, 06:03 PM   #8
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Creating Attic Storage Space - Outdoor Shed


Quote:
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The opening is 10' wide
2 2x4 nailed together good at 10' and storage only is acceptable IMO. the most important part would be how the 2x4's attach at the ends( bearing points). do you have a picture of the space you want to upgrade?
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Old 12-09-2013, 07:32 PM   #9
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Creating Attic Storage Space - Outdoor Shed


i simply installed some upright 2x4`s at teh opening which were fastened to the rafters as well to help support the ceiling joists at the opening.. as long as you dont load up heavy stuff in the attic space youll be fine.

its hard enough to get it up in place.

i use to have photos of it but unfortunately when my old computer died i was unable to retrieve files off the hard drive
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Old 12-10-2013, 09:37 AM   #10
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Creating Attic Storage Space - Outdoor Shed


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Originally Posted by woodworkbykirk View Post
i simply installed some upright 2x4`s at teh opening which were fastened to the rafters as well to help support the ceiling joists at the opening.. as long as you dont load up heavy stuff in the attic space youll be fine.

its hard enough to get it up in place.

i use to have photos of it but unfortunately when my old computer died i was unable to retrieve files off the hard drive
did you post this woodworkbykirk or did the OP post this?? confused
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Old 12-10-2013, 10:28 AM   #11
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Creating Attic Storage Space - Outdoor Shed


Even in a shed, those 2x 4's are more likely than not the lower cord of a truss construction.

If they're not, then the easy out is to make them so.



Scab the cracked one, then tie all to the roof rafters, if they're not already, and you should be golden.


No real loss of storage space, and it can take a serious load.
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Old 12-10-2013, 06:31 PM   #12
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Creating Attic Storage Space - Outdoor Shed


Here are the pics of how it looks now.
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Creating Attic Storage Space - Outdoor Shed-image-325930116.jpg   Creating Attic Storage Space - Outdoor Shed-image-563476792.jpg   Creating Attic Storage Space - Outdoor Shed-image-1260070269.jpg   Creating Attic Storage Space - Outdoor Shed-image-1208882499.jpg  
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Old 12-10-2013, 08:15 PM   #13
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Creating Attic Storage Space - Outdoor Shed


I would go for 2x6 minimum judging by that span,,..

if it is a lot of weight I'd go 16'', with five eights or three quarter inch ply.. just make sure you keep ceiling joists fastened to the rafter ends, as it is currently, as this will prevent the rafters from wanting to kick out. IMO...
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Old 12-13-2013, 08:12 AM   #14
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Creating Attic Storage Space - Outdoor Shed


judging the pics it looks like you can add a 2x4 sistered on and nail it good and wa la.
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Old 12-13-2013, 02:50 PM   #15
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Creating Attic Storage Space - Outdoor Shed


I'm definitely going to go with 2x6's and 3/4" plywood. Just not sure if I want to use 2, 2x6's per ceiling joist or not. Some of that stuff I want to store up there is damn heavy...

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