Another effective way to soundproof your barn doors is to install moving blankets which are well known for their sound absorbing capabilities.
Soundproof barn doors.
Are barn doors soundproof.
How to soundproof barn doors.
Moving blankets on the barn doors.
See price on amazon i discussed in details how these blankets work in my article on soundproofing bathroom.
Make sure your barn doors are made from solid wood meaning a solid core and not a hollow core.
Attach thick sound absorbing blankets.
Add an extra layer of drywall.
To soundproof a sliding barn door make sure there are no gaps or cracks that noise can travel through.
They re extremely thick blankets that can easily absorb sounds and dramatically decrease the noise level in a particular room.
Just like acoustical curtains sound deadening blankets use the same principle to absorb unwanted noise.
Use weatherstrips to seal the gaps and cracks.
There are a few ways to soundproof a sliding barn door but the most effective way is to make sure there are no gaps or crack to allow noise to travel through.
A door sweep and weatherstripping tape can be used to cover gaps.
Just to brush a little bit hanging the blankets on your barn door won t completely solve the noise problem but they will dramatically reduce noise problem.
Another great way to soundproof barn doors is by using heavy moving blankets.
Get a bigger barn door.
Make sure the doors are made from solid wood meaning a solid and not a hollow core.
The gaps cracks between the door and its frame would let in considerable sound.
Conclusion on the soundproofing barn door.
Just like the regular door barn doors can leak in a lot of noise.
Hang curtains that absorb sounds.
Install a sound dampening door sweep.
Hanging these on your barn doors may solve your noise problem completely.