Using acoustic tiles over an existing plywood subfloor in your house can be done, but there are some considerations and potential issues to keep in mind:
Subfloor condition: Ensure that the existing plywood subfloor is in good condition and free from any structural issues, moisture damage, or unevenness. If the subfloor is damaged or not level, it's crucial to address these problems before installing acoustic tiles.
Acoustic tile type: There are different types of acoustic tiles, and not all are suitable for installation over a plywood subfloor. Some acoustic tiles are designed specifically for ceilings and may not be appropriate for floor applications. Make sure to choose acoustic tiles that are rated for floor use and can handle the expected foot traffic.
Floor height: Adding acoustic tiles over the plywood subfloor will increase the overall floor height. Ensure that this additional height won't cause problems with door clearances or other transitions between rooms.
Adhesive and installation: Use the appropriate adhesive recommended for the acoustic tiles you've chosen. Follow the manufacturer's instructions for installation carefully to ensure a proper bond and longevity of the installation.
Moisture concerns: If the plywood subfloor is in a bathroom or an area prone to moisture, you need to be cautious about the potential for water damage. Acoustic tiles are generally not waterproof, so it's essential to ensure proper sealing and maintenance to avoid moisture-related issues.
Floor insulation: Acoustic tiles might offer some acoustic benefits, but they might not provide significant thermal insulation. If you're looking to improve both acoustic and thermal properties, consider using appropriate insulation materials beneath the acoustic tiles.
Long-term durability: Acoustic tiles installed on the floor may experience more wear and tear compared to their typical use on ceilings. Ensure that the tiles are durable enough to withstand foot traffic and regular use without deteriorating quickly.
Professional installation: While acoustic tiles can be DIY-installed, if you're unsure about the process or have specific concerns, it's always a good idea to consult with a professional installer to ensure a proper and long-lasting installation.
In summary, using acoustic tiles on an existing plywood subfloor can be possible, but it requires careful consideration of the subfloor condition, the type of tiles chosen, and proper installation techniques. When in doubt, it's best to seek advice from professionals to ensure the best results and avoid potential problems in the future.