Day 1

Part 1: Introduction to business

• Definitions
• Building facades
• Building skins
• Façade maintenance
• Re-setting the context

Part 2: Building a value proposition for the customer

• Listening to what the customer wants to achieve
• Identifying problems
• Building strong solutions that support the best practice, the customer and the building
• Transparency is key
• Manging expectations and risks

Part 3: Background to façade cleaning

Practical: induction to steam

• Setting the scene for cleaning building facades
• Industry & transportation change
• The purpose for cleaning stone
• Origins of current cleaning guides
• English heritage conservation principles
• PPG15 ‘Planning and the Historic Environment
• Overview of BS Code of Practice No 8221 on Cleaning and Surface Repair
• BRE digests 448 & 449, best practice for cleaning building façades
• Listed building consent and planning
• Why clean building façades
• Considerations before choosing a cleaning method
• Inspection & identification of the substrate
• Understanding façade soiling and deposits

Day 2

Part 4: Steam & Super-heated water

Practical equipment inspection & set-up

• Steam cleaning as a method
• Operating pressures
• Nozzles
• Low pressure cleaning
• 5 simple steam cleaning rules
• Using the lance
• A single phased approach
• Example methodology

• An overview of historical coatings and treatments
• Historical use of and general purpose of coatings and consolidates
• Types, properties and characteristics of surface coatings
• Coating system and paint removal solutions
• Pro’s & cons of paint removal

Part 5: Test Trails

• Why undertake a cleaning test trials?
• Façade cleaning test trialing
• Assessment of test trials

Part 6: Practical Session

• Steam cleaning building materials
• Inspection and impact of high-pressure cleaning
• Inspection and impact of incorrect chemical use

Take Aways

• Samples specifications
• How to survey building facades for cleaning
• Survey templates