RCT Homes A number of schemes for RCT Homes has resulted in 760 properties receiving external wall insulation through both CESP and Arbed 1 funding. Client RCT Homes & Private Homeowners Location Penywaun & Fernhill Start Date Value £10,000,000 Length Work Type External Wall Insulation Number of Properties 760 Type of Properties Wimpey No-Fines, BISF, Laing Easiform, Arcal Houses, Flats Insulation Type 90mm, 100mm, 110mm Mineral Wool U Value Finish Applied Pebble Dash, Brick Slip