
St Helen’s church – survey to locate voids in stone walls
GPR case study: How we used GPR to locate voids in stone walls up to 1m thick, comprising a stone inner and outer leaf, with a rubble fill.

GPR case study: How we used GPR to locate voids in stone walls up to 1m thick, comprising a stone inner and outer leaf, with a rubble fill.

GPR case study: How we used GPR to investigate the construction detail and understand this unique and somewhat complex Grade II listed monument.

Detecting embedded metal in masonry walls non-intrusively. Ideal for historic and heritage buildings.