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In construction, a joist is a horizontal piece that runs from wall to wall, wall to beam or beam to beam. A joist is essentially considered to be one of the most supporting pieces towards the structural aspect. It focuses in on supporting beams and other pieces in the floor, ceiling and roof.
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∙ 10y ago
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∙ 14y agoTo support the roof/second floor & support the interior ceiling covering - sheetrock, plaster ect.
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∙ 11y agoFloor joists allow air to flow under wooden floors and help prevent damp/wood rot. They also assist with load spreading when heavy objects are placed on the floor.
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∙ 10y agoA joist is a horizontal support that runs from one wall to another. they can support a ceiling, rook or floor and are often made of wood, steel or concrete.
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∙ 12y agosuport the sub floor
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∙ 10y agoto support the sub floor.
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What size of floor joist should you use?
Different situations call for different joists. Generally floor joists are 2 x 12.
Can roof joists run in a different direction to floor joists?
Yes. Rafters and flloor joists do not have to run the same direction.
What is the strongest method for installing floor joists?
Joists resting upon sills and girders
What are timbers under the floor called?
floor joists and they sit on bearers
Why does upstairs shake when walking?
If your house is wood framed with wood joists, the shaking may be caused by floor joists being too small. This will cause the floor to sink whenever a person walks across the room. Floor joists should be size by an experienced carpenter, architect, or engineer to prevent movement.Another cause of floor movement may be insufficient bracing between the floor joists. This will cause sagging and twisting of the joists.There are several solutions that require the skills carpenter. New joists can be added beside the existing joists to strengthen the floor. Another option is to add one or more beams and columns in the room below the floor. Or blocking can be added between existing joists to add support.
How much weight can 2x8 floor joists hold?
That depends on how well supported the floor is and that depends on how far apart the joists are placed. The closer they are, the more weight can be supported.
How do you make a new floor?
Lay plywood on top of floor joists. Specifically, what are you asking? BClear
Can hardwood run parallel to JOISTS?
If you're installing hardwood floor boards over a strong 3/4 inch plywood sub-floor, then yes, you can install the hardwood floor parallel to the joists. If your sub-floor is weak, then you should fix the subfloor.
What is Standard spacing for floor joist determined by?
Spacing for floor joists is usually determined by building codes for the location
How long does it take to water damage floor joists?
It depends on what timber your joists are,how much water has been involved and for how long the water has been affecting the joists.Stop the egress of water and let the joists dry out.Take it from there.
Why do the first floors of houses overhang the street?
because it strengthens the floor joists.
When i have a bath the ceiling in the kitchen cracks how do i strengthen the floor and ceiling to stop this happening?
You would either have to remove the ceiling in the kitchen or the floor in the bath, and add additional joists to strengthen them, or possibly add steel in combination with the joists.
