brickwork

These schemes commonly used external wall insulation, which involves fixing insulation boards to the exterior brickwork and then applying render to make it waterproof.

On Wednesday, the artists discovered graffiti had been sprayed on the brickwork and windows around the new entrance on River Drive.

In 2013, insulation boards were fixed to the exterior brickwork of the Victorian homes and render applied with the purpose of making it waterproof.

Anti-social behaviour at Caerleon's Amphitheatre and Barracks has seen graffiti, the heat from barbecues damaging Roman brickwork and even a burnt-out motorbike left at the site.

"The observatory is astronomy, it is also meteorology, and after many years I feel like I'm part of the brickwork."