Bron Afon Community Housing These cavity built flats had failed cavity wall insulation, resulting in cavity extraction and external wall insulation being installed instead. Client Bron Afon Community Housing Location St.Dials, Cwmbran Start Date February 2015 Value £1,000,000 Length Work Type Cavity Extraction, External Wall Insulation, Roofing, Associated Works Number of Properties 17 Type of Properties Low Rise Flats Insulation Type 100mm Mineral Wool U Value Finish Applied Silicone Render