photo gallery Posted on January 17, 2013 YBS SuperQuilt Multi-Layer Reflective Foil Insulation 100 mm earth knauf wool insulation between ceiling joists 100 mm earthwool insulation between the ceiling joists and 200 mm insulation on top walkway to the water tank, water pipe and tank insulated water pipes and tank insulated, with walkway from the access door to the tank preparing a lean to roof and velux window upstand for fibreglass waterproof coating preparing roof for fibreglass coating extension roof ready for fibreglass dark grey top coat applied to fibreglass roof parapet and flat roof in fibreglass finish resin and fibreglass on flat roof. final coat/ colour to be applied completed fibreglass roof in dark grey colour fibreglass roof with skylight window and 4 inch water outlet storage area in attic