Mayplas MP552 120 Min Masonry Cavity Stop Sock
The Masonry Party Wall Cavity Stop Sock 552 is designed to prevent passage of fire through concealed voids within the external fabric of a masonry wall construction, but more specifically where the junction is formed between the external cavity and the party wall cavity.
The barrier is held in place under compression between the inner block work and outer masonry leaf.
Suitable for both vertical and horizontal positioning to the edge of cavities, around openings, at separating compartment lines and to sub-divide cavities.The product reduces flanking sound transmission at separating wall junctions and complies with Robust Detail (Appendix A) as a cavity stop.
Features:
- Suitable for both vertical and horizontal positioning to the edge of cavities, around openings, at separating compartment lines and to sub-divide cavities.
- Designed for installation within masonry cavities
- Accommodates a maximum void of 175mm
- Easy installation process
- Installed under compression
- For voids up to 150mm a minimum compression of 15mm is required, thereafter 20mm compression is required up to the maximum void of 175mm
- Tested and assessed to the basic principles of BS 476-20: 1987
- Suitable for both vertical and horizontal orientation
- Solutions available offering either 60 minutes or 120 minutes fire resistance performance
When installing Mayplas Masonry Party Wall Cavity Stop Sock 552 it may be necessary to consider additional use of DPCs and/or cavity trays in line with relevant Building Control guidance.
| SKU | MP552 120 Min Masonry Cavity Stop Sock |
|---|---|
| Supplier Part Number | MP552 |
| Brand | Mayplas |
| Unit | Pack |