Our unique circular scanning laser systems have been chosen for some of the world’s most significant heritage sites.

Heritage cleaning requires the right technique and appropriate tooling to avoid damage and achieve the desired level of cleaning. PLC’s experts use world-leading laser cleaning technology that was purpose-built for conservation by our partner experts.

Its effectiveness has been proven on some of the most iconic buildings, structures and monuments around the world including the 2,500 year old Egyptian obelisk in Central Park New York and recently the Jefferson’s Memorial, Washington DC.

Building Facades

  • Non-abrasive cleaning
  • Biofilm removal
  • Coating and overspray removal
  • Graffiti removal
  • Usable on all stone surfaces
  • Controllable levels of clean and ability to blend
  • No runoff, chemicals or expensive sandblasting waste and contamination


  • Paint removal
  • Surface cleaning
  • Corrosion removal
  • Stone and Metal surfaces
  • Environmentally friendly
  • No chemicals
  • No abrasion to the surface
  • No waste or media clean up

Monuments, Statues & Sculptures

  • Historic stone, metal and glass cleaning
  • Oxide and corrosion removal
  • Ability to match desired levels of patina
  • Paint and coatings removal
  • Graffiti removal with no chemicals or abrasives
  • Precise, controlled cleaning