Acid Washing

Specialist Brickwork Cleaning Treatment

GMT are an elite company with more than 20 years experience in Commercial & Domestic pressure washing, specialising in the external cleaning of new brick buildings & homes, utilising a solution of Hydrochloric Acid that is proven to effectively remove concrete dust and mortar staining. We have revolutionised the current method of acid cleaning, resulting in a substantial reduction in cleaning times, in turn passing on considerable savings per building/unit to clients.

  • Untreated area (left) & Clear visible improvement after treatment (right)
  • Untreated area covered in lichen (left) Treated area following cleaning (right)

Attention to detail throughout the cleaning process is paramount, we ensure that all vulnerable areas are pre-taped, with particular attention being paid to anywhere that could potentially become damaged in the event of overspray during the clean - namely door access, windows, concrete lintels, woodwork, metalwork, vegetation etc.

A full and complete site survey is undertaken to provide the best solution that meets our client's particular requirements, also ensuring that all work is undertaken within timescale with minimum disruption.

We also offer the following additional cleaning services at both ground level and at height, with hard standing areas from 50 to 20,000 sqm and cladding cleans from 100 to 50,000 sqm - where necessary removing lichen using an antifungal wash to kill the spores prior to cleaning.

  • Roof / Gutter / Skylight
  • Patios / Block Paving / Concrete & Tarmac Driveways
  • Car Parks / Communal Areas / Retail Parks
  • owns & Distribution Centres / Football & Rugby Stadiums
  • Universities, Schools & Correctional Facilities


Whether it be a significantly sized Commercial undertaking or smaller Domestic clean, rest assured that GMT will always provide a professional service. Call 01244 550359 or 07990 902562.