Id go for the approach of running 2x6 on 12 inch centers.
2x6 for shed floor joist.
2 8 s come standard at 1 inch thick.
Moving to 16 on center you could span your spf 2x4s up to 6 for heavy loads and 9 for light loads which would still work with a 12 12 gable shed.
This is what we have done with our coup and our shed was built that way as well.
Joists joists are the cross members and are running perpendicular to the band boards.
Typically they will rest on and are nailed or screwed to the support skids.
While most residential construction uses 2x8 joists with 16 inch spacing there are many other factors you need to consider when determining the proper joist span length.
Spacing your 2 4 shed rafters at 24 on center limits the width of your roof.
Two options that arise could be your wider 24 and your narrower 12 options for spacing.
2 2x6 2 2x6 2 2x6 2 2x6 2 2x8 2 2x8 j 5 2 2x4 2 2x4 2 2x6 2 2x6 2 2x6 2 2x6 2 2x8 2 2x8 2 2x10 o.
If you are unsure of what those terms are please have a look a my shed floors page.
When building a house or even a deck it is important to confirm you have the correct joist sizes spans and spacing before you get started.
2x8s are used frequently for these projects.
If you live in an exceptionally wet area or have a major termite problem you might want to use pressure treated wood for the entire floor including the skids the floor joists and the plywood sheeting.
Most other shed companies use 2x4 s.
But then again i am strange i wont run a 2x6 floor joist more then 8 feet if on 16 inch centers.
Skids skids are the primary supports and depending on the size of your shed can range anywhere in size from 4x4 to 6x6.
2x6 floor joists 16 oc and 3 4 plywood floor sheathing.
There is more than one way to build a shed floor and this is how i build my wooden shed floors.
We use 2x6 floor joist in all our sheds.
Because america is getting fatter and any floor bounce to a smart consumer or a pain in the butt consumer is considered poor building.
Oct 9 2008 5 allchookup will shut up for chocolate.
Floor joist table author.
Our floor is super strong and will stand the test of time.
Dept development services building division shared building forms floor joist beam doc.
Again you will want to use treated lumber for the floor joists.
If you had a 12 12 shed with a gable roof that would mean 26 rafters which is a lot.
We frame all our walls with top choice 2x4 wall studs.
11 16 2015 1 25 57 pm.
Click here if you want to build your shed on a concrete slab.
The following instructions refer to different terms like band boards rim joists floor joists and skids.
I would go for 2x6 if the center of the joists won t be near the ground or on it.