Sound Deadening Air Vents

This way you ll know exactly what s missing from your air vent and even how to fix it.

Sound deadening air vents.

Standalone air vents can be made soundproof by either covering them with soundproofing materials or replacing them with drywall. So when you re looking at your vent pay attention to those potential problem areas. Here are the ways you can soundproof the air vents in your house. An above door air vent for instance is meant only for cross ventilation between rooms and generally is quite short as compared to hvac air vents.

Measure the interior of the vent. Remove the cover from the air vent. Hvac air vents consist of transfer vents and return air vents. To control the sound transmission and still allow airflow you must build baffles around the vents in the room where you wish to control the sound and in any adjacent rooms to which the ducts are connected.

Use the following instructions to build a sound maze in your air vent. Ideally you would have one dead vent for each supply and one for each air return. Consider building a dead vent to muffle the sound as it exits with the air. Create a minimum of four plywood pieces of the same size.

Because this lightweight peel and stick sound dampening material usually blocks the noise from road vibrations around your car it excels at stopping the sound of air vibrating through your ducts. There is no danger of compromising your air vents primary purpose of providing ventilation. Fitted with a sound absorbing lining that considerably reduces noise penetration through the vent without reducing airflow. With vibrablock sound deadening material sheet you can achieve heating duct noise reduction with less material.

2 hvac air vents. Firmly fixing it to the sides with the help of an adhesive. Sound mazes allow air to continue circulating freely through your air vent while being incredibly effective at deadening sound. The air vent is loud because it is not made of particularly absorbent materials.

Acoustic foam deadens the sound waves. A flanking nightmare but it doesn t have to be. Plywood dividers bounce sound waves out of the air vent. Soundproofing these type of vents isn t a big deal you can simply block them with a magnetic vent cover say.

Cut the plywood so that it will fit inside the vent and then cut around 30 off of the end of the wood so that air can travel around it. Of course metal isn t the best material to use if you re looking for sound dampening. This item is a bit more expensive than the muffler type silencer that installs directly after the fan. To soundproof the hvac system s air vents materials such as duct liners soffits and sound baffles are some viable solutions.

You can use a dead vent as a buffer between the sound room and the main hvac system. Open the air vent with a screwdriver and cover the complete interiors of the air vent with a layer of acoustic form.