I am living on the first floor in a stacked townhouse and has been suffering from the footstep noise from floors above. My home is roughly 1000sqft and I currently have some options and would like to hear for some advice and quotes.
1. Remove the current drywall, add insulation between joints, and then add isolation clips, hat channels and close the drywall. I believe this is the best method for impact noise. But the tricky part is the my home is only two years old so that it has the drop-down sprinkler which need to be extended if the ceiling is lowered down. I am not sure if any contractor has experience dealing with it and would like to provide a quote
2. Fill in dense-pack cellulose. I believe it is the most feasible and cheapest solution for me. The only thing I am worried about is how much it can help with the impact noise.
My response to this would always be it will be always best to assess the situation in person.
(1) The first thing that alarms me is that there's a fire sprinkler, usually there is some play that it should not be that much of an issue now in saying that, after insulating in between the Joyce with safe and sound insulation that's in between the Joyce so it does not add depth but was there insulation before and if there wasn't wood putting safe and sound bat insulation create an atmosphere between the ceilings which leaves us with the next best option no insulation we put reverberating channel which has a depth of half inch.
Type X drywall is 5/8 of an inch
A total of 1-1/8
Two sheets of Type x Drywall
A total of 1-3/4
Dense pack is a way to go about it but Where will it be blown in from the drywall inside the exterior walls or roof All those ways come up to the same as working from inside taking off the drywall and choosing to insulate or go about it with reverberating channel and Drywall tape mud finishing. So before I send I'll give you a quote where is this job located is it possible for me to visit the site.
Your 1st idea is the best way "professionally" and is proven. Blown in products will be a waste of your time and money to cut noise. Yes you will have to drop anything that does not fit. Sound channel only drops the ceiling 3/4" so might still work. Only hire experienced trades people for each stage of work. Use Roxul sound barrier insulation, good old cheapo sound channel and 5/8" drywall as code requires a fire barrier for communal type properties...noise transmission will be cut by 80% min. There are new fangled 2-layer sound drywalls out there that seem impressive at the demo's but they are new so stick with the tried and true unless you feel adventurous with your cash.
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