http://www.bigbubblers.com Big Soap Bubblers
Big Bubblers and Big Bubble Lover
 
 FAQFAQ   SearchSearch   MemberlistMemberlist   UsergroupsUsergroups   RegisterRegister 
 ProfileProfile   Log in to check your private messagesLog in to check your private messages   Log inLog in   

really understand. The scientific name of PVC material

 
Post new topic   Reply to topic    Big Soap Bubblers Forum Index -> Bubble Entertainer Listings
View previous topic :: View next topic  
Author Message
qzz10011



Joined: 06 Jun 2016
Posts: 2764

PostPosted: Mon May 21, 2018 5:52 am    Post subject: really understand. The scientific name of PVC material Reply with quote

<p>insulation of light plasterboard wall 5-10 decibels, However, in actual projects, the installer often can not accurately install the plate on the flexible horizontal effect of the wall being very limited. Therefore, in recent years, the United States has gradually abandoned such wall noise technology and means. 4, the thickness and weight of the noise insulation board There are </p>
<p>some common noise insulation board on the market, in order to improve the noise insulation effect, are to increase the thickness and weight of the wallboard to achieve, although this method can improve the sound insulation effect to a certain extent, but with A lot of shortcomings: A, noise efficiency (that is, the amount of sound insulation increase) is low, because according to the laws of physics, sheet metal </p>
<p>surface density doubled, the sound volume can only theoretically increase up to 6 dB; wall panel density increased four times, The maximum amount of noise can only increase 12 dB. B, the thicker the wallboard, the more space it occupies, and the more valuable space people will lose. C, the heavier the wall, the more difficult the installation; and the wall is too heavy, but also need to consider the floor can </p>
<p>buy oak boards Saudi Arabia<br />
water resistant composite flooring<br />
8 foot hieght wood fence</p>
_________________
beachchairsuppliers.com
Back to top
View user's profile Send private message Visit poster's website
Display posts from previous:   
Post new topic   Reply to topic    Big Soap Bubblers Forum Index -> Bubble Entertainer Listings All times are GMT - 8 Hours
Page 1 of 1

 
Jump to:  
You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum


Powered by phpBB © 2001, 2005 phpBB Group