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75 series of light steel keel wall double-sided double-layer 12 thick plaster board filled with sound insulation noise can reach the number of decibels
Theoretically, the main factors influencing the sound insulation of the gypsum board wall are as follows: 1) the law of quality: there is a common law for the insulation of the partition, that is, the heavier the material (the greater the surface density) the better the sound insulation. For a single layer of dense uniform wall, surface density for each doubled, the sound insulation in the theoretical increase of 6dB, this law is the law of quality. For the double layer of gypsum board wall, the law of quality plays an important role, that is, to increase the number of layers or thickness of the board can be improved sound insulation. As the keel double wall system sound vibration form is very complex, so the embodiment of the law of quality than the simple single-wall complex. 2) Resonant frequency: any partition wall there is an inherent resonance frequency, when the sound wave frequency and wall resonance frequency, the wall as a whole resonate, the frequency of the sound insulation will be greatly reduced.
Light steel keel wall to remove the price
Fixed price: the state has a demolition quota, but the price is very low, generally can not afford to be fixed. Now some parts of the decoration quota also have to remove the sub-head, slightly higher than the demolition quota, but no profit.
Is it good for brick walls or light walls?
Each have their own benefits ah Brick wall is more sound and more solid friends Light wall, then light, do not take up a lot of space to remove or remove
Light steel keel partition wall how to paint
Light steel keel structure, to find the location of the keel, use a long self-tapping screws, forced into the screw. So that it can be stable.
I would like to have a toilet in the house, bathroom with mineral wool board cut off or light steel keel gypsum board line?
These two estimates are problematic, you can use light steel keel cement pressure plate nail steel wire mesh paint, do waterproof post-paste wall tiles, the following also do waterstops
Light steel keel partition wall construction process is what
Fixed Border keel: Border keylone along the position of the ball, the edge of the keel should be coincident with the elastic line. The end of the keel should be fixed, fixed point spacing should not be greater than lm, fixed should be solid.
Light steel keel should be how to strengthen, in order to make solid wood door installed more prison?
Light steel keel wall strength regardless of Zeyang are a heart disease, if there is room, then the proposal is still good wall
Shanghai light steel keel ceiling, wall quotes
Depends on the use of good and bad materials. Ordinary ceiling also 30-40, partition 35-45, I was doing this is what the project. Can contact me. Offer