Spinny Posted March 3 Author Share Posted March 3 On 01/03/2024 at 18:27, Iceverge said: All the adding mass in the world makes little difference if the ceiling is full of holes. Yes but the noise is from the roof, so that is why the tecsound would be stuck to the underside of the plywood deck. I have put some up in the utility now and it does make a significant difference. Need to try adding 50mm rockwool directly under that now and wait for more rain. Link to comment Share on other sites More sharing options...
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