Another wall thread 2 leaf

Started by 1970428scj on 2 March 2020. 28 replies. In the Library under Walls, floors and ceilings.

Originally posted at johnlsayers.com, topic 22302.

1970428scj wrote:
Thank you for the replies Does this not work for isolation of the slab?
No, it does not work. Where did that come from? Normal weight concrete weighs about 4000 lb. per cubic yard. Microlite and 2 sheets of 1/2 inch sound board do not stand a chance against that weight.
No, it does not work. Where did that come from? Normal weight concrete weighs about 4000 lb. per cubic yard. Microlite and 2 sheets of 1/2 inch sound board do not stand a chance against that weight.
Exactly. The drum riser style design with insulation under thick sheathing has worked for some projects, but as I said before, the weight in that picture is too much for the material below it. What studio is this? Greg
yes the drum riser damps specific frequencies but it does not "isolate".
xSpace wrote:
yes the drum riser damps specific frequencies but it does not "isolate".
Hi thank you for your replies, So my best bet is to do a 2 leaf system, neoprene on the base of leaf 2, Use a decoupling hanger for the top of leaf 2 to keep it up right. How large of an air gap do you think is enough for this space? . Thank you