CONSTRUCTION TYPE: CAVITY WALLS DECEMBER 2006 (REPLACES AUGUST 2005 ISSUE) Acoustic Party Wall DPC Minimises flanking sound transmission at separating walls and floor junctions ROCKWOOL® Acoustic Party Wall dpc cavity closer has been specially developed to minimise flanking sound transmission and fire spread along the cavity of the external wall. The following NBS Plus clauses include Acoustic Party Wall dpc Units: F30:18, F30:180

CONSTRUCTION TYPE: CAVITY WALLS DECEMBER 2006 (REPLACES AUGUST 2005 ISSUE) Acoustic Party Wall DPC The use of ROCKWOOL® Acoustic Party Wall dpc enables the specifier to close the external wall cavity at the separating wall and floor junctions to provide acoustic insulation and one hour fire resistance without the risk of water penetration. Thicknesses: 100, 110, 120 & 150 mm DPC – Black polyethylene to BS 6515 Length: 1300 mm Side lap: 40 mm Bottom lap: 100 mm (minimum) Fire performance and properties Combined acoustic and fire stopping solution Meets Part E and Robust Detail requirements One...

CONSTRUCTION TYPE: CAVITY WALLS DECEMBER 2006 (REPLACES AUGUST 2005 ISSUE) Acoustic Party Wall DPC In vertical applications, the product is self supporting. The upper piece must be installed with the 100 mm dpc extension at the bottom, lapping over the outside face of the lower dpc, ensuring a tight butt joint of the insulation. Horizontal applications: at separatring floor junctions When used as a horizontal cavity closer, APW dpc should be supported by wall ties spaced at max. 450 mm centres horizontally which are bedded within the masonry coursing joints. A continuous cavity tray should be...

CONSTRUCTION TYPE: CAVITY WALLS DECEMBER 2006 (REPLACES AUGUST 2005 ISSUE) Acoustic Party Wall DPC Sustainability As an environmentally conscious company, ROCKWOOL® promotes the sustainable production and use of insulation and is committed to a continuous process of environmental improvement. Relying on entrapped air for its thermal properties, we are proud to say that ROCKWOOL® insulation does not contain (and has never contained) gases that have ozone depleting potential (ODP) or global warming potential (GWP). ROCKWOOL® therefore complies with the relatively modest threshold of GWP<5 included...