MASONRY CAVITY STOP SOCK 552 is designed to prevent the passage of fire through concealed voids within the external fabric of a masonry wall construction.

The polythene-enclosed rock fibre barrier is manufactured in bespoke sizes to suit the specified cavity width.

The barrier is held in place under compression between the inner blockwork and the outer masonry leaf.

For Cavity Size: 110mm
Physical Thickness: 125mm
Width: 150mm
Length: 1200m
Quantity: 1
Fire Rating: A1

Application:

Masonry Cavity Stop Sock 552 assists in satisfying requirements of guidance documents such as Approved Document B and The Scottish Technical Handbook.

The product reduces flanking sound transmission at separating wall and floor junctions and complies with Robust Detail (Appendix A) as a “cavity stop”.

Suitable for both vertical and horizontal positioning to the edge of cavities, around openings, at separating compartment lines and to sub-divide cavities.