Doors are one of the biggest weak points in a room’s soundproofing. Even if walls are well-insulated, sound can easily travel through a door if it’s not properly sealed. Installing an acoustic door insulation kit is an effective way to reduce noise transfer, whether for a home office, recording studio, or simply improving privacy.
Why Soundproof a Door?
Reduce Noise Transfer – Minimise sound moving between rooms.
Improve Privacy – Keep conversations and activities more discreet.
Enhance Home or Office Comfort – Reduce disturbances for a quieter environment.
Improve Acoustics – Ideal for music studios, home offices, and workspaces.
Step-by-Step Guide to Soundproofing Your Door
There are two main types of acoustic door insulation kits available:
Retro-fit Acoustic Door Insulation Kit – Designed to upgrade existing doors with effective noise-blocking seals.
Recessed Acoustic Door Insulation Kit – Built into the door itself, ideal for new doors or renovations.
How to Install the Retro-fit Acoustic Door Insulation Kit
This kit is designed for easy installation on existing doors. Follow these steps for a quick and effective soundproofing upgrade:
1. Prepare the Door
- Clean and inspect the door and frame for any debris or damage.
- Ensure all surfaces are dry and free from dust to help the seals adhere properly.
2. Attach the Corner Seals
- Measure and cut the seals to fit the top and sides of the doorframe.
- Secure them in place using the supplied screws.
3. Install the Acoustic Drop Seal
- Measure the width of the door and cut the drop seal if necessary.
- Attach it to the bottom of the door using the provided screws.
- Adjust the drop mechanism with a 3mm Allen wrench to ensure a snug fit against the floor when the door closes.
4. Position the Graphite Hinge Pads
- Place the hinge pads between the door hinges and the frame.
- These help to dampen vibrations and reduce sound transfer through the door structure.
5. Test the Seal
- Close the door and check that all components create a tight seal.
- Ensure the drop mechanism functions smoothly and makes full contact with the floor.
How to Install the Recessed Acoustic Door Insulation Kit
This kit is designed to be built into the door for superior soundproofing, typically installed by a joiner.
1. Preparation
- Measure the door and cut the components to size if necessary.
- Clean and dry the surfaces to ensure a proper fit.
2. Install the Recessed Drop Seal
- Use a router to create a recess at the bottom of the door.
- Insert the drop seal into the recess and secure it with the provided screws.
- Adjust the drop seal using the included tools to ensure a perfect seal against the floor.
3. Attach the Corner Seals
- Cut the seals to fit the top and sides of the doorframe.
- Secure them using adhesive or screws.
4. Apply Graphite Hinge Pads
- Place the hinge pads behind the door hinges to reduce vibrations.
- Ensure they are firmly attached to prevent movement.
5. Test the System
- Close the door and check that all seals are making full contact with the doorframe and floor.
- Adjust as needed to achieve a complete, airtight seal.
Additional Tips for Maximum Noise Reduction
Check for Gaps Around the Door – Even small openings can let sound through. Use additional sealing strips if necessary.
Upgrade to a Solid Core Door – Hollow doors allow more noise to pass through. A solid core door will improve soundproofing.
Ensure Proper Installation – Poorly fitted seals won’t work effectively. Double-check that everything is tightly in place.
By installing the right acoustic door insulation kit, you can significantly reduce noise transfer and create a quieter, more private space.