Basics Of Floor Joist Spans
What Floor Joist Spans Are Large floor joists can carry more of a load, and spacing joists closer together also increases the load-bearing capacity of a floor. Yet larger is not always better when builders are constructing a home or adding a room addition. 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....