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Product
A polyethene enclosed stone mineral wool slab bonded to a polyethylene DPC intended for vertical applications to suit specified widths.
MP557 Party Wall DPC cavity barriers assist in satisfying requirements of guidance documents such as Approved Document B and The Scottish Technical Handbooks.
MP557 Party Wall DPC is placed at designated positions during erection of masonry which then compresses the barrier between the inner and outer leaf within the cavity creating a seal against smoke and heat transmission
| Features | Benefits |
|---|---|
| Suitable for external cavities up to 190mm wide | Wider cavities give a greater design scope |
| Assessed to BS 476-20:1987 & BS 476-22:1987 for up to 120 mins fire integrity | Suitable for vertical applications, MP557 prevents the spread of fire and smoke in all three directions at a party wall junction |
| Closed state barrier | Assists in reducing flanking sound transmission between properties |
| Choice of finishes: unfaced or polythene enclosed | The polyethene enclosure prevents water ingress into the mineral wool during installation |
| Integral DPC | Prevents moisture transmission across the cavity |