Joist span and spacing is set by your local building code.
2x6 floor joists attic.
We were going to sister 2x8 to the existing 2x6 but are worried about the extra weight and the huge amount of pain it will be.
I would probalby place them in between the existing 2x6 s.
Find 2 in x 6 in joist hangers at lowe s today.
The standard structure usually can withstand a 1 3 8 inch thick hollow core floors with a weight upto 75 lbs.
Per square foot live load plus dead load.
It would be difficult to find a joist hanger that would fit a double joist comprised of a 1 3 4 lvl or i joist and 1 1 5 2x6.
Yes you can sister 2x6 joists but you have a few problems.
However they need to be select structural grade or better.
Common sense tells you that large floor joists can carry more load and spacing joists closer together also increases the load bearing capacity of a floor.
In the case of 2x6 joists you can pair them up with additional 2x6 joists by nailing them together side by side.
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.
Since you have a floor on 24 oc joists i would use 3 4 material above.
The extra two inches of vertical distance when a floor is framed with 2 x 10 joists rather than 2 x 12s can be quite important for example.
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.
On the market the.
But larger is not always better when builders are constructing a home or adding a room addition.
Per square foot plus a dead load of 10 lbs.
The building of this floor that s the the track plays with a significant part in a pocket floor.
1 code requires 40 lbs.
Sistering is the process of adding a new joist next to each existing joist.
2x6 joists at 16 will span 12 and support a floor live load of 40 lbs.
All meeting up on the load wall.
A couple of additional thoughts i have if your new joists are lvl beams or wood i joists.
2x6 floor joist have a necessary benchmark to make them functional.
If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists.