E7MCFF2 Concrete intermediate floor between dwellings Build Up External Masonry Cavity Wall Masonry Outer Leaf (λ = 0.77) Lightweight Concrete Block λ ≤ 0.60 W/mK Full Fill Insulation Precast Concrete Floor Between Dwellings Architect downloads e7mcff2_cad_file.dwg219.34 KB Registered Detail certificates e7mcff2_certificate_0.pdf456.88 KB rcd_worksheet_31.pdf301.44 KB