Gwynne Anthony 2020

ART506 Dissertation 2019. Anthony Gwynne . 54 and fix a polythene damp proof membrane 1.0m up the internal wall face and to cover it with timber panelling to mask the damp issues instead of resolving them. Building control inspected the works which were carried out using inappropriate non-vapour permeable materials as follows: • the original lime-based ground floor slab and clay tiles and timber floorboards were taken up and removed (Figure 23) • hardcore laid ( Figure 24) • polythene damp proof membrane was laid over the floor area and 1.0m up the walls (Figure 25), although there was rising damp evident in walls (Figure 26) • high density polyurethane insulation board 100mm thick was laid over the polythene membrane (Figure 27), confirmed by information sheet (Figure 28) • 150mm thick reinforced concrete slab was laid over the insulation • porcelain floor tiles were laid over the concrete floor slab (Figure 29) • timber panelling was constructed around the perimeter of the internal wall face to hide the polythene membrane fixed up the walls as a tanking system. Figure 23: Original ground floor was taken up and removed (Source: Gwynne, 2019).