Earlier houses and flats may have been created with party walls that have little or no sound insulation so normal noise levels can be clearly heard from the other side. Neighbours do not have to be noisy to be a problem and it this type of noise that the new noise regulations seek to address. So normal levels of radio noise and speech should not be heard and hopefully, the following solutions will help you to soundproof your Party wall. Each solution has been combined to help with different levels of noise coming through the Party walls. Your solution will depend on your volume been heard and also how much wall space can be used for the Party wall soundproofing.
A) Sound Panels 52mm & 15mm Soundbloc
- Wall will need to be prepared for insulation
- Sound panels are fitted to wall area
- All joints are sealed with acoustic mastic
- 15mm soundbloc fitted as final layer
- 67mm wall space loss*
- 40-50% improvement in airborne noise**
B) Resilient/Sound Breaker Bars
- 50mm batons are fitted to wall area
- 50mm rock wool is fitted between new batons
- Resilient/Sound breaker bars are fitted to frame at 400mm centres
- 19mm sound plank to be fitted to resilient bars
- All joints to be sealed with acoustic mastic
- 12.5mm sound shield plaster board fitted as final layer
- 50-60% improvement in airborne noise*
- Improvement in impact noise
- 4 inch wall space loss
C) Independent Wall
- New timber/metal frame to be built slightly away from existing wall (50mm or 100mm frame)
- 50mm or 100mm RS60 Rock wool to be fitted between new frame
- Resilient/sound breaker bars to be fitted to frame at 600mm centres
- 19mm sound planks to be fitted to resilient bars
- All gaps to be sealed with acoustic mastic
- 12.5mm sound shield plaster boards to be fitted as final layer
- 5-6 inch wall space loss
- 60-70% Improvement in airborne noise**
- Significant improvement in impact noise**
D) M20 Wall panels
- Wall area to be prepared for insulation
- M20 wall panels to be fitted to wall area
- All joints to be sealed with acoustic mastic
- 2 x layers of 15mm sound shield plaster boards to be fitted to M20 panels
- 50mm wall space loss
- 50-65% Improvement in airborne noise**
*Results may vary due to flanking noise and/or structural noise
* Results achieved from previous customers
FAQ
What does my party wall consist of ?
- It could be made up of 225mm solid block or brick
- Cavity - Often two skins of 100mm with cavity
- Timber frame
- With any of the above solutions a membrane or sound barrier mat can be added to increase the air borne performance of the system.
- We have qualified plumbers on board who can remove this - Additional costs do apply
