But if the wall runs perpendicular at a 90 degree angle to the joists there is a good chance that it is load bearing.
Load bearing wall parallel to floor joists.
When you stand on the roof or the floor of your house your weight is transferred horizontally by the rafter or the joist to the load bearing wall or rim joists.
In residential construction the floor sheathing is generally sufficient to support the vertical load from a non bearing partition wall that is parallel to the floor joists.
Watch my bearing wall id video below.
Score 1 for being non load bearing.
This wall is running parallel to the floor joists above see picture 4.
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Wall runs parallel to the floor joists in the basement the wall that runs on center through the house which i know to be load bearing directly above the main support beam in the basement is 2x6.
Thus for a 2x4 bearing wall two joists are below spaced 3 1 2 apart directly under.
When i draw plans i locate joists under bearing walls only for parallel walls off layout but i do it with two joists spaced apart the depth of wallplates above.
I do not know how to put up a temporary support wall while the existing wall is removed because if ran parallel to existing wall no joists would rest upon it.
Generally when the wall in question runs parallel to the floor joists above it is not a load bearing wall.
However there is a large double 2x10 header above the entry way see picture 4 in this wall supported by a jack stud on either end see picture 5.
I want to place a support beam as if it still is load bearing as i believe it is still structurally important.
Score 1 for being load bearing.
This wall is 2x4.
The special considerations involved in building a wall where joists are parallel include how to anchor the wall to the underside of the joists and how to provide a nailing surface for ceiling coverings along the wall s upper.
Joists and rafters want to be oriented to span the shortest distance.
Learn how to tell if a wall is load bearing or not plus general advice on load bearing walls safe floor joist spans and the associated building regulations for floor joists.