ABBEIMETBL422 Exam Information and Outline
Diploma Investigation of Moisture and its Effects Within Traditional Buildings (Level 4)
Syllabus Update Checked on: November 3, 2026
ABBEIMETBL422 Exam Syllabus & Study Guide
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official ABBEIMETBL422 exam objectives. This course outline serves as your roadmap.
The information below reflects the 2026 syllabus defined by
ABBE.
Below are complete topics detail with latest syllabus and course outline, that will help you good knowledge about exam objectives and topics that you have to prepare. These contents are covered in questions and answers pool of exam.
- Assessment
- Written assessments, examinations and investigation report portfolio
- Traditional Building Construction
- Solid wall construction, lime mortars and renders
- Breathability and moisture behaviour of traditional materials
- Sources of Moisture
- Rising damp, penetrating damp, condensation
- Plumbing leaks, ground and surface water
- Hygroscopic salts and contamination
- Effects of Moisture
- Timber decay: wet rot, dry rot, wood-boring insects
- Mould growth and indoor air quality
- Deterioration of masonry and finishes
- Investigation Methods and Equipment
- Visual inspection and survey planning
- Moisture meters, calcium carbide testing, gravimetric analysis
- Hygrometers, thermal imaging and data logging
- Diagnosis and Interpretation
- Interpreting readings and avoiding misdiagnosis
- Building physics: heat, air and moisture transfer
- Remedial Strategies
- Conservation-led and sympathetic repair approaches
- Ventilation, drainage and ground level corrections
- Damp-proof courses, membranes and treatments
- Legislation and Standards
- BS 5250, BS 7913 (conservation of historic buildings)
- Listed building considerations
- Reporting
- Producing investigation reports and recommendations