Can a decorated house still undergo sound insulation renovation?

Yes, decorated houses can absolutely undergo sound insulation renovation—no need to tear down existing decor! Non-destructive or minimally invasive solutions target noise without disrupting your space. Here’s a concise guide:  

1. Prioritize Sealing Noise Leakage Gaps (Low-Cost & Effective)  

Most post-renovation noise comes from unsealed gaps. Install high-quality acoustic seals (silicone/EPDM rubber) around door frames, window sashes, and door bottoms (add a door sweep). Replace single-pane glass with double-glazed/laminated glass (no need to remove the entire frame). Fill gaps around electrical outlets, switch panels, pipes, and baseboards with acoustic foam or sealant—even 1mm gaps reduce insulation efficiency by 30%.  

2. Wall Sound Insulation (Non-Destructive)  

For neighbor voices/TV noise: Use adhesive-backed soundproof panels (polyester fiber/composite) that mount without drilling—decorative designs match decor. Hanging fabric-wrapped acoustic panels (removable, ideal for renters) reduce echo. For severe noise, professionals can install a "secondary wall" (furring strips + rubber pads + insulation + decorative panels) adding only 5-8cm thickness, no structural damage.  

3. Floor Sound Insulation (Impact Noise)  

For upstairs footsteps/furniture movement: Add XPE/EVA soundproof underlays when replacing flooring. For existing floors, use self-adhesive pads under furniture legs. Lay thick high-pile carpets/rugs—quick, non-destructive noise absorption.  

4. Pipe Noise Reduction (Bathrooms/Kitchens)  

Wrap accessible pipes (under sinks, corners) with acoustic damping sheets + sound-insulating cotton, secured with zip ties and sealed with tape—no cabinet/wall removal needed.  

5. Ceiling Sound Insulation (Upstairs Noise)  

Replace existing ceiling tiles with soundproof ones, or mount lightweight acoustic panels via adhesive/removable brackets. For suspended ceilings, add insulation between the ceiling and upper floor (professionals access via panels).