Ground inspection of house inspection knowledge

Inspection room is to pay attention to whether the ground has obvious gaps and unevenness.

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Ground level. Ground leveling is the measurement of the horizontal error between the floor and the ground in the doorway that is furthest away from the entrance. The method of measurement If you do not bother, then the method is quite simple. Go to the hardware store and buy a small transparent water pipe, about 20 meters in length, then fill it with water. First draw a sign 0.5 meters or 1 meter off the ground at the door. Then adjust the level of the water pipe to the height of this sign and find someone to fix it in this position. Then move the other end of the hose to the room furthest from the door. Then look at the height of the water pipe at the place, and then make another sign. Then use a ruler to measure how high this mark is off the ground. The difference in these two levels is the difference in the level of the house. You can also use this method to analogically measure the level difference in the entire house. In general, if the difference is about 2 cm, 3 cm is acceptable. If you go out of this range, you have to pay attention.
Is the ground level? Splash a layer of water on the ground so that the water does not converge towards any one party.

Whether the wall, ceiling, floor decoration electrical diagram has inclination, whether the curve is raised or sunken; whether the flat wall surface with a flashlight depends on whether the design of the bearing wall, beam and column meets the design specification; if the crack of the bearing wall runs through the entire wall Face to face and behind, said that the room has hidden dangers.
Whether the steel bars are exposed by the Nanjing decoration company's quotation. Tap with wooden sticks to see if there is any empty sound. Whether the color difference between the yin and yang angles is straight; if there are kicks and kicks with the triangle ruler wall and the floor, is it too small to protect the wall? Whether the contaminated skirting board is smooth or not has cracks or brush marks. If the crack is at an angle of 45 degrees with the corner of the wall or perpendicular to the beam, the settlement of the house is serious and there is a structural quality problem. The basic map has no water stains, cracks, whether the ceiling has a small crack Note the relevant location there is no air conditioning tube hole What is called hard to check the wall surface with or without lime "explosive electricity", this is because lime has not been ripe enough or matured in cement The infiltration of mud is too much or caused by uneven mixing, which can be used to beat the "spot". If a large area is found to be loose and fall off, it is also a quality problem, which will cause great trouble to the buyers' residence and decoration. Can not be ignored.

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Wire Thread Insert

Wire thread inserts are helically coiled fastening devices that provide permanent, wear-resistant screw threads that exceed the strength of most parent material; the inserts are designed to protect tapped holes against failures due to stripping, seizing, corrosion, and wear.

Threaded inserts are typically used when the object in which a threaded fastener is being installed is made of a soft material. For hard materials, a screw or bolt can be often driven into the object without the need for a threaded insert. A simple solution is to use a threaded insert.

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