Floor Noise From Ductwork

Noise can transmit through the walls of ducts into the surrounding joist cavity especially when soft flexible ductwork is used from there sound transmits through ceiling floor assemblies and into adjacent spaces.

Floor noise from ductwork.

Ductwork rubbing against the framing may even cause a noise when someone walks on the floor above and rubber pads will work here as well. Align the strap with the seam where the ducts join. Let s go into more detail about each of these factors and how you can reduce the popping noise with each. Hard pipe ductwork is less prone to kinks and bends so it s usually better for airflow.

Kinetics offers many styles and weights of mass loaded vinyl with and without resilient decoupling. Metal ducts make all sorts of noises. Firstly i m new here so i beg mercy on the court if i posted this in the wrong area. There are building techniques that will minimize the transfer discuss them with your builder.

The metal ductwork in the ceiling of our finished basement pops and bangs every time the furnace comes on in the winter then makes more noise after the furnace shuts off. Anyways the heat duct runs under my bedroom floor the livingroom and my mother s bedroom which is on the other end of the house. The size of your ductwork. There are duct pipes available that are designed to minimize noise transfer too.

Where floors walls and ceilings meet is another area sound transfer will occur from outside in or between rooms. Duct work comes in 3 shapes. Flexible ductwork is prone to kinks and bends so it presents more points of failure for airflow. If every time you turn on the heating or cooling system the air ducts start popping and banging read the rest of this article for tips on how to reduce and even stop the noise entirely.

Round square and rectangular. A common source of floor noise is poorly installed ductwork in the floor joist. I m in a power wheelchair as i ve had muscular dystrophy all 38 years of my life. To avoid this issue the builder must ensure all routed openings are aligned.

Round ducts are the quietest. With me in the chair it probably weighs 400 pounds or so. Install the correct size furnace so that your appliance isn t pushing through more air than your ducting is designed for. Is there anything we can do to stop the banging.

Rectangular ducts are the loudest. Basically flex ducts less noise and possible airflow issues while hard pipe ducts more noise and fewer airflow issues. The shape of your ducts. Viscoelastic damping is one possibility.

Attach one end of the strap at one of the floor joists using a screw gun to drive a 1 1 2 inch self tapping screw through the metal and into.