E6MCFF3 Intermediate Floor Within a Dwelling Build Up External Masonry Cavity Wall Masonry Outer Leaf (λ = 0.77) Dense Concrete Block λ ≤1.33 W/mK Full Fill Insulation Intermediate Timber Floor Within Dwelling Timber Joist Architect downloads e6mcff3_cad_file.dwg213.84 KB Registered Detail certificates e6mcff3_certificate_1.pdf440.48 KB rcd_worksheet_29.pdf301.44 KB