Attic storage question

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  #1  
Old 01-23-17, 12:02 AM
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Post Attic storage question

Hello, I have a question about adding some storage to my attic. I have about 20" deep blown in insulation so I don't really want to build up my floor to cover 20" of insulation. I thought about buidling some suspended shelves from the rafters but I don't know if that will be safe or could affect my roof. Thoughts?

I have included a couple photos to show the attic type. Also, It appears no cross beams up top .

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Last edited by PJmax; 01-23-17 at 12:09 AM. Reason: reoriented pictures
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Old 01-23-17, 12:06 AM
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Welcome to the forums.

I flipped your pictures. The pros will be by to assist you.
 
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Old 01-23-17, 12:46 AM
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Good observation, you dont want to pack the insulation down, it will loose it's efficiency and if you install a floor you would need to add vents to allow moisture to move.

If you are looking to add a platform to store small quantity of items you could install 2x4's to the rafters and lay some plywood down. The amount of weight is not that great. Use caution when building and using the storage, with that much insulation it;s difficult to see where you are stepping.
 
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Old 01-23-17, 04:00 AM
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Attic space is probably the worst place to construct "storage". It wasn't meant to hold a great deal of weight, and although you say you will only store, say, Christmas ornaments, there will be a time that heavier and bulkier items will be placed on the structure that wasn't meant for the load.
 
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Old 01-23-17, 09:25 AM
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So, would attaching some bracing like shown and then laying some plywood down on them be too heavy for the roof? I don't want to cave the roof in. Also, should I add some collar ties between the rafters on top or is that not necessary?

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Old 01-23-17, 09:48 AM
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I'd take a full length 2x4 and go from one side to the other like a collar tie. You'd be limited on how wide the shelf would be but that isn't necessarily a bad thing. make the shelf either 2' or 4' wide.
 
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Old 01-23-17, 10:27 AM
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Ok, so add a few bars to the rafters like this? And then just slide a piece of plywood above them?

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Old 01-23-17, 01:47 PM
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Correct, although you'd probably want them lower than those red lines
 
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Old 01-23-17, 05:52 PM
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You could probably use four or five 2x4x8's there.
 
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