E13SMEW3 Pitched Roof Gable Insulation at Rafter level Build Up Solid External Masonry Wall 215mm Aircrete Solid Wall (λ ≤ 0.15 W/mK) Render & Insulation (λ = 0.022 W/mK) Pitched Roof Gable 150mm insulation (0.044W/mK) between rafters 50mm insulation (0.022W/mK) beneath rafters Architect downloads e13smew3_cad_file.dwg56.26 KB Registered Detail certificates e13smew3_certificate.pdf654.29 KB rcd_worksheet_339.pdf311.1 KB