Remove entire board with foam as a unit.
Using acoustic panel to build door.
If you are building a home studio this project is a great and relatively inexpensive way to make your own acoustic panels.
But if you want different measurements that s fine.
So you ll probably want them to be fairly big.
On the flat wall you can hang them like you hang picture frames.
It creates a more or less airtight barrier between the door and the floor preventing airborne sound from getting through.
You can even make smaller acoustic panels using old hand towels.
I built some diy acoustic panels to help cut down on the reverb in my room when recording audio.
If using 2 x4 8 ft panels you ll need 4 8 or 14 panels respectively.
Larger panels will absorb more sound.
Properly sized your grid method should also work and might look nicer.
That ll help you figure out how many you need to build.
Then seal the gaps with a door gasket door sweep or spray foam to prevent air leaks.
Typically acoustic panels are 2 feet wide and 4 feet long or 61 cm by 122 cm.
To soundproof a door make it structurally strong enough to block noise by replacing it with a solid core door or by adding mass loaded vinyl soundproof blankets and panels to the existing door.
You could glue tape the panels to a sheet of tempered hardboard ie masonite or thin plywood and mount that to the door.
What is recommended is to use eye hooks picture hanging wires and wall hanging hooks which can be found on amazon or any local hardware store.
All you need to do is build a wood frame the size of your panel.
You might as well make the frame the size of the towel if the towels are not too large of course.
7 household items you can use to soundproof a door.
An acoustic door threshold works in a similar way to a door sweep.
Build the frame a couple of inches smaller on all sides so you can wrap the towel over and around the back of the frame.
A standard door threshold is the piece of metal which sits underneath your door and covers the join between your flooring.
After you build your bass traps and acoustic panels you will want to know how to mount them.