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Overloading would be one reason. Or the wood moisture content was too high when installed and it has bowed as it dried out. If this relates to old construction, there could be insect (termite) damage or rot that has weakened the member.
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Why overhead electric cables sag on hot sunny days?
There's little choice. Conductors (not 'cables') sag, because of their weight. However, there's also a practical reason for deliberately allowing conductors to sag; if they were too 'tight', then they would not be able to contract during cold weather without pulling the poles over.
An earthquake that causes a landslide under the ocean floor can trigger a?
tsunami
What can an earthquake that causes a landslide under the ocean floor trigger?
It can trigger a tsunami.
Electrical wire sheathing should not project more than about one inch into the?
plumbing line floor joist electric panel ground Electrical wire sheathing should not project more than about one inch into any device that uses a cable clamp to secure the cable to the device.
Why do reverberations occur?
The reflection of sound waves off of walls, floor, ceiling, seats, and people causes reverberation.
Does a joist note giving size spacing and direction and shown on a floor plan pertain to the framing above or below?
A joist note on a first floor plan would refer to the Joist below that floor, a joist note on the third floor plan woud be for that floor.
How much weight can you put on a floor joist?
it depen on the size of the joist
Why is the wood flooring on the first floor buckling above floor joists?
There can be numerous causes for a floor to buckle over a floor joist. Flooring was not installed perpendicular to floor joist. Flooring was not allowed for proper expansion - expansion gap needed. Flooring was not properly fastened or not enough fasteners was applied. Excessive water or moisture got onto the flooring causing it to buckle - check appliances, plumbing, windows and doors for water. Damaged or cracked floor joist.
What are the ends of the joist nailed too?
Floor joist or ceiling joist? Floor joist have a board on the end all the way along the side of the building called a rim joist. Like the cross bar on the top of a T. Ceiling joist are nailed down into the top plate of the wall and to the rafters where possible.
Why is my bathroom floor sinking and tile cracking?
Almost for certain, you have water damage in your sub floor which is weakening the floor, causing it to sag, causing the tile to crack. Yes you could replace the sub floor and flooring, but find what's causing the water damages and fix that first. or a joist could be broken
What is the purpose of a joist?
to support the sub floor.
What is a housing joint used for?
Joist possibly ? A joist is the boards under the floor and above the ceiling that span the room or building. What the floor or ceiling is attached to.
Where can you find a floor joist span table when using 2 x 6 tongue and groove?
Not sure what you mean? floor joist span table???
What does the word joist mean?
Joist = one of the parallel pieces of timber to which the boards of a ceiling or floor are fastened
What is the medical condition pelvic relaxation?
A weakening of the supportive muscles and ligaments of the pelvic floor, this condition, which affects women causes the pelvic floor to sag and press into the wall of the vagina.
What is the diagonal braces between floor joist?
It is called bridging.
What is the angle of a fire cut of a floor joist?
30 degrees
