Gwynne Anthony 2020

ART506 Dissertation 2019. Anthony Gwynne . 3 4.0 The problem 4.1 Approved Document A 4.2 Approved Document C Figure 10: Ground supported floor construction diagram Figure 11: Examples of insulated external wall diagram Figure 12: Summary of guidance for historic buildings 4.3 Approved Document LB1 Conservation of fuel and power in existing dwellings Figure 13: Summary of guidance for historic buildings Figure 14: Summary of maximum U-values for new and existing works Figure 15: Comparison of non vapour permeable insulation thicknesses fixed to internal face of solid walls for U-values no worse than 0.21 and 0.3 W/m²k in compliance with table 8 Figure 16: Comparison of vapour permeable insulation thicknesses fixed to internal face of solid walls for U-values no worse than 0.21 and 0.3 W/m²k in compliance with table 8 4.4 Approved Document to support Regulation 7 Figure 17: Summary of guidance for existing buildings in Approved Document supporting Regulation 7 4.5 Summary of the problems 4.6 Case studies highlighting the potential problems of the Approved Documents Case study 1: Conversion of listed dovecote into holiday let in 2018. Figure 18: Elevation of a curtilage listed dovecot to be converted into a holiday let Figure 19: New non-vapour permeable concrete floor, laid over polythene membrane and high density polyisocyanurate insulation board. Tanking membrane applied to walls Figure 20: Upgrading of solid walls with modern non-vapour permeable tanking membranes and high density polyisocyanurate insulation board Figure 21: Section detail of dovecot to be converted into holiday let indicating problems of trapped water associated with modern forms of upgrading works Case study 2: New ground floor to grade II listed church in 2019 Figure 22: Elevation of grade II listed Church Figure 23: Original ground floor was taken up and removed Figure 24: Hardcore being laid Figure 25: Polythene damp proof membrane being laid and dressed up walls Figure 26: Rising damp evident in walls Figure 27: High density polyurethane insulation board 100mm thick was laid over the polythene membrane Figure 28: High density polyurethane insulation board information sheet Figure 29: Proposed porcelain floor tiles to be laid over the concrete floor slab Case study 3: Conversion of stables into holiday let in 2018 Figure 30: Elevation of stable building being converted into holiday lets