2x6 For Loft Floor Joists

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.

2x6 for loft floor joists.

The span table for a 30 psf live load 10psf dead load floor indicates a required fb value of 1 315 and a minimum e value of 1 800 000. You will likely experience some bounce using a 2x4 joist even when on 12 centers. In this video i show how i cut my my joists make packer plates get the joists from the garden up int. Also available for the android os.

1 psf lb f ft 2 47 88 n m 2. Span calculator for wood joists and rafters also available for the android os. 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. But larger is not always better when builders are constructing a home or adding a room addition.

Maximum floor joist span for no. In this case your joists are adequate to support a 30 psf live load and 10 psf dead load. 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. Sistering is the process of adding a new joist next to each existing joist.

I would suggest 2x6 on 12 centers for a nice solid platform floor. In the example the joists have a spacing of 16 inches and a span of 11 feet 2 inches. 2 grade of douglas fir are indicated below. In the case of 2x6 joists you can pair them up with additional 2x6 joists by nailing them together side by side.

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. If the desk is on the long wall i say you have a non starter situation. If the attic joists are not adequate one way to strengthen the floor for live loads is to sister the old joists. Dead load weight of structure and fixed loads 10 lbs ft 2.

This is part 2 in my series of loft conversion videos. Live load is weight of furniture wind snow and more. With only a 5 6 width of the platform i think you will have tight work area up there considering a desk on the wall.