This image shows the internal liner trays fixed onto the cold rolled purlins, the side wall liners are 0.4mm in thickness (the roof is 0.7mm thickness) the panels have a white finish which faces into the inside of the building helping the inside of the building look bright even on the dullest of days, they have the side laps sealed with tape to form an air seal to comply with building regulations. The photo to the right shows the finished profiled metal cladding fixed to the Ridgibar system, the insulation is within the cavity of the two skins, various U-values can be achieved by using different depth of Ridgibar, the client Arch developments Of Ashington chose a merlin grey plastisol finish which was used for all cladding including the gutters and flashings etc.