Introduction to course and participants' case studies
Lecture. Background and introduction. Historical context for cleaning and assessing whether cleaning is required or beneficial. Types of substrate and soiling. Range of cleaning methods. The BS Code of Practice on Cleaning and Surface Repair and its implications.
Lecture. A look at historical coatings and treatments and their interaction with masonry. Coating and paint removal - the reasons for and practicalities including protection and containment.
Biological growths - identification, effects of and the ethics of removal
Lecture/Demonstration. Laser cleaning/water cleaning. Participants will be in two groups and will swap between the two
Lecture/Demonstration. Chemical cleaning: theoretical basis, relevant actions/reactions and case studies.
Evening Cleaning of St Paul's - lessons to be learned from recent programmes of cleaning (includes video from 1962)
Lecture. Mechanical cleaning; hand-held abrasive blocks; systems based on compressed air and a range of abrasives with or without water; introduction to proprietary systems including the use of superheated water/steam; specification
Demonstration. Various cleaning methods
Summary/case studies/surface treatments
Discussion and questions
16.00 Course ends
Arrival Day - this is the first date listed above
Courses start early evening. Residential students to arrive from 4pm, non-residential students to arrive by 6.45pm.
6.45pm: Welcome, followed by dinner (included).
8 - 9pm: First teaching session, attendance is essential.
Classes 9.15 - 5pm, lunch is included.
From 6.30pm: Dinner (included for residential students).
Evening working - students may have access to workshops, but only with their tutor's permission and provided any health and safety guidelines are observed.
Classes 9.15am - 3pm, lunch is included.
Residential students are to vacate their rooms by 10am please.
(This timetable is for courses of more than one day in length. The tutor may make slight variations)
BCM Course Leader
David is Director of Odgers Conservation Consultants who provide support, advice and training for clients, architects, surveyors, local authorities and others involved in the conservation of historic structures.