quote:
they say this because most people are retarded as frick. It is a disclaimer because idiots will flor the attic, then proceed to stack the attic from floor to roof with shite, that COULD over load it.

this

in the end it all depends on your span. but in general you are going to be fine, just dont be a fricking retard and start stacking totes everywhere thinking its light storage. I.E. Dont stack 5 storages high that each have 25lbs each in them.

keep your heaviest items over the support walls or as close as you can.

oh and do not "notch" your joist.

use shims.

This post was edited on 1/3/22 at 10:46 am

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Posted by notbilly

alter

Member since Sep 2015

4465 posts

Posted on 1/3/22 at 1:20 pm to WaWaWeeWa

quote:
It looks like I have 2x8 on 16 and the span is about 19 feet. Yellow pine.

From what I can tell that’s close to the minimum for 20psf which is what is required for attic space that is usable for light storage

Am I doing that right?

Where did you see that? Using the current building code, 2x8 ceiling joists on 16" centers can span 15'-3" and be used for storage. The older code would allow a span 17'-5".

Use Table R802.5.1(2) Ceiling Joists spans (uninhabitable attic with limited storage, live load = 20psf).

#2 Southern Pine @ 16"o.c.
2x6 = 12'
2x8 = 15'-3"
2x10 = 18'-1"

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Posted by GEAUXT

Member since Nov 2007

29237 posts

Posted on 1/4/22 at 11:12 am to WaWaWeeWa

Just finished doing this on Sunday. The 1/2 inch 2 x 4 plywood works perfectly and it much easier to get up there. I cleared out the HD in Covington lol

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Posted by Lutcher Lad

South of the Mason-Dixon Line

Member since Sep 2009

5746 posts

Posted on 1/5/22 at 9:01 am to WaWaWeeWa

I installed 7/16" OSB in 2ft X 8ft sections from my drop- down stairs all the way across my attic to allow better access to the A/C evaporator, etc. For 35 years had no problem with it.

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