Doors are mostly responsible for most of the noise issues you experience, which is why they are given particular attention in acoustic treatment. Like a window, a door can be a gateway for unwanted sound to enter a room. A door creates air gaps, which allows the entrance of unwanted sound easily.
Why would you want to soundproof a door?
Perhaps you live with lousy flatmates, and you really cherish your quiet time or maybe your apartment share a door with another rented apartment and you would like to maintain privacy. Whatever the reason maybe, you can regain the privacy of your space.
What are the ways to soundproof a door?
Close up the air gaps
A door is the principal source of air gaps and drafts in an apartment. Air conducts sound, by offering little resistance to sound energy. Air gaps can be found in two places in a doorway: The gap between the door and the floor, and the gap between the door and the doorframe. The problem of air gaps in these two locations can be solved quite easily.
To solve the problem of the air gap between the doorframe and the door, attach a high-density foam type around the perimeter of the door with the aid of an adhesive tape. To solve the problem of the air gap under the doorway, attach to the bottom of the door what is called a “door bottom”, they prevent airborne sound from coming through the door.
Enhance the mass of your door
Most doors are poorly built and when dealing with unwanted sound mass is very important. The more densely built a door is the better its soundproofing property. For example, a solid wood door has better soundproofing property than a hollow framed door.
Apply additional layers to your door
This is another way of increasing the mass of your door; you can add additional layers to your door by attaching a piece of soundproofing fiberboard. Another option is to attach acoustic mats to your door; acoustic mats are quite dense and have great sound absorbing properties. Acoustic mats provide an added layer of sound absorption to your door; they are designed to be dense and proficient at preventing the transmission of sound.
Suspend acoustic curtains over the door
A good choice acoustic curtain is blackout curtains because they are thick. Get a high fabric curtain and suspend it from a rod. It is good if you purchase curtains made from sound absorbing materials. To reduce unwanted sound coming from outside simply slide the curtain across the door. To get the required effect make sure the curtains are twice the width and height of the door. A less attractive alternative to curtains is to use moving blankets, which are very dense and heavy. They are used in recording studios as a less costly option to acoustic panels.
Use sound-absorbing paint for your door
A single coating of a sound absorbing paint can eliminate outer noise by nearly 30%. What the paint does is to prevent the noises from inside the room to be transmitted outside and vice versa. Purchase a sound absorbing paint and follow the instructions on the container to apply it.
Use triple panes in the place of glass
The glass is renowned for its sound conducting property, in the event your door has large glass elements, the sound absorption of your door would be quite low. To improve the sound absorption of your glass door, replace the large glass elements with thick triple-pane glass.
Add another door
This is done especially when a door is giving you problems at either side of the hallway. By adding an extra door, it creates an air gap between the two doors and lowers the amount of sound transmission allowed.
Other helpful tips on soundproofing
- Thick wallpapers help to absorb sound better than glossy paint.
- Make use of vibration pads under your speakers and other noisy gadgets such as a washing machine. What this does is that it helps to lower the amount of sound transmitted through surface vibrations.
- A great way to an added soundproof layer to your wall is by covering them with bookcases.
- Sometimes the source of the unwanted sound can be from other rooms, what you can do is to place rugs on hard shiny surfaces such as tiles or wood. This would reduce the rate at which sound is reflected and help in sound absorption.
From the tips provided here, soundproofing the door of your apartment or office does not seem so difficult, with some trial and testing you can effectively keep unwanted sound away from your abode. It also important to note that you might apply different options provided above to your door to get the required result.
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