Collins are now DOFF Stonehealth accredited and approved contractors.
Stonehealth is the sole manufacturer of the masonry DOFF cleaning technologies, which have been used worldwide for over 30 years. Their systems are trusted to safely clean and preserve historic masonry and have been used on some of the UK’s most iconic landmarks, including Westminster Abbey and the universities of Oxford and Cambridge.
We are proud to have achieved this accreditation and look forward to offering these specialist cleaning services across our upcoming projects.
You can locate us listed here > Stonehealth Accredited Contractors