Flexible ductwork is prone to kinks and bends so it presents more points of failure for airflow.
Floor noise from ductwork.
Viscoelastic damping is one possibility.
Metal ducts make all sorts of noises.
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.
Duct work comes in 3 shapes.
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.
Firstly i m new here so i beg mercy on the court if i posted this in the wrong area.
Align the strap with the seam where the ducts join.
Where floors walls and ceilings meet is another area sound transfer will occur from outside in or between rooms.
There are duct pipes available that are designed to minimize noise transfer too.
Basically flex ducts less noise and possible airflow issues while hard pipe ducts more noise and fewer airflow issues.
The size of your ductwork.
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.
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.
A common source of floor noise is poorly installed ductwork in the floor joist.
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.
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.
Round square and rectangular.
I m in a power wheelchair as i ve had muscular dystrophy all 38 years of my life.
In some cases excessive air flow can cause.
While all hvac systems make some noise when they are on when there is excessive noise such as popping knocking and banging it can indicate a problem.
Rectangular ducts are the loudest.
Round ducts are the quietest.
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To avoid this issue the builder must ensure all routed openings are aligned.
There are building techniques that will minimize the transfer discuss them with your builder.
Let s go into more detail about each of these factors and how you can reduce the popping noise with each.
With me in the chair it probably weighs 400 pounds or so.