keestha Posted March 22, 2015 Share Posted March 22, 2015 I am running a hotel, and the main building has a flat roof, on top of which there is a water pump, which switches on when water is used, to make sure there is enough pressure on the water. The thing generates quite a bit of noise, I know that guests staying in rooms near by are slightly bothered by it. I am wondering about a do it yourself way of noise insulation, possibly building a box around it with styrofoam inside, I have already started saving it up when buying stuff like washing machines. Your thoughts/suggestions? Link to comment Share on other sites More sharing options...
RKASA Posted March 22, 2015 Share Posted March 22, 2015 Check out the rubber pads used for mounting the A/C units and mount it on those. Most of the noise it transmitted into the structure - isolate it. 1 Link to comment Share on other sites More sharing options...
jvs Posted March 22, 2015 Share Posted March 22, 2015 You also have to make sure when you insulate for sound you are not in any way give the pump a chance to overheat. 2 Link to comment Share on other sites More sharing options...
eyecatcher Posted March 22, 2015 Share Posted March 22, 2015 Agree about getting some rubber dampers under the base. I would also just check the pump for loose fixings bolts etc these could be vibrating. Also check the vertical blue water supply pipe from the pump to make sure its not hanging unsupported. I had what i thiught was a noisy pump until i realised the blue riser pipe was literally banging on the outside wall when water was drawn. I solved the problem by wedging a plastic water bottle between the pipe and wall. No problem now. General running noise can be lessened by covering it with a styrene ice box or similar thats a cheap enough method . Link to comment Share on other sites More sharing options...
wayned Posted March 22, 2015 Share Posted March 22, 2015 I made rubber dampers out of used flip flops for one that is mounted just outside of the kitchen window. Made a world of difference. 1 Link to comment Share on other sites More sharing options...
Geonoise Posted March 23, 2015 Share Posted March 23, 2015 Important is to distinguish betweeen airborn and structural born noise. For airborne noise, Acoustblok is a great material, please don't use styrofoam, it won't help, it's too light and only works for thermal insulation. Indeed, as mentioned, make sure that there is still some airflow to prevent the pump from overheating. If there is any structural born noise, (noise from the pump directly into the concrete roof) than you will need to add some rubber between the pump and the roof. You can IM me for free consulting ! Good luck. 1 Link to comment Share on other sites More sharing options...
BigT73 Posted April 3, 2015 Share Posted April 3, 2015 (edited) use a rubber hoses for inlet and outlet on the pump will absorb vibration in the pipes. Edited April 3, 2015 by BigT73 Link to comment Share on other sites More sharing options...
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