STC of hollow core concrete block filled with mortar

Started by kendale on 13 October 2004. 4 replies.

Originally posted at johnlsayers.com, topic 2475.

kendale13 October 2004#1

Hello, Does anyone have a STC rating of 8" hollow core concrete block that is filled with mortar? I did a search but after reading through about a dozen or so threads I thought I'd ask instead. The SAE site had the following: 8" Concrete Block, hollow core, no wall finish 45 8" Concrete Block , hollow core, painted 2 coats, 2 sides 48 Thanks!

knightfly13 October 2004#2

If the mortar is well rodded (solid) you're looking at about STC 60, with a low point @ 60 hZ of around 35 dB... Steve

z6061114 October 2004#3

There's a couple of pages of concrete wall constructions, with TL numbers from 63hz to 4khz, in "Noise Control In Buildings" by Cyril M. Harris.

kendale14 October 2004#4

Thanks guys!

AVare14 October 2004#5

Sorry, I am not at home to get the urls, however: Canadian NRC reports BRN-217, IR-586, and IR-811 should have all the info you are looking for. Search here and you should get the urls no problem. Have fun! Andre