Second Story Addition Floor Joists

What this means is that the first story ceiling joists will also serve as the floor joists for the second story.

Second story addition floor joists.

This means that all the ceiling on the first floor that is under the addition will have to come down. The ability to stay in the neighborhood you ve lived in. The first floor is about 1100 sq ft. 2 grade of douglas fir are indicated below.

Second floor construction techniques follow a standard process. In some cases second story addition plans could be a big money saver in others the real payback is something you can t put a price on. The addition is about 500 sq ft. Maximum floor joist span for no.

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. This means that all the ceiling on the first floor that is under the addition will have to come down. Is there a way in which we can save those joists and the first floor ceiling by adding more structure to create the. Section r502 10 of the international residential code states that header joists can be the same size as the floor joists when the header joist span isn t greater than 4 feet but if the header joist span is more than 4 feet you ll need to double the header joist and ensure that it s capable of.

The joists are so straight that i can t hardly find the crown in the lumber. Two words of caution at this point. Dead load weight of structure and fixed loads 10 lbs ft 2. 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.

1 ft 0 3048 m. While first floor supports are needed to account for the additional weight of a second floor the walls are pretty much the same as those of a single story home. But larger is not always better when builders are constructing a home or adding a room addition. Live load is weight of furniture wind snow and more.

Typically the second story floor joists will not only run the same direction as the first floor joists they will also be directly over them. Is there a way in which we can save those joists and the first floor ceiling by adding more structure to create the appropriate floor joists for the second story. As construction gets higher builders must take additional safety precautions to prevent falls. The 2x12 lumber that i picked up a few weeks ago is perfect.

The structural engineer says that we must remove these joists and use 12 i joists instead to create the second story floor. Additional support for the floor joists is achieved by nailing the ends of the joists into headers.