Course Content:
IDENTIFICATION OF THE SOURCES OF MOISTURE IN BUILDINGS
Building uses and activities
Building and services defects
WHAT IS DAMPNESS?
The physical properties that contribute to dampness
The quantification of dampness
THE IMPORTANCE OF RELATIVE HUMIDITY AND HOW TO MEASURE IT
The interaction of moisture and temperature
Using an electronic hygrometer
HOW TO MEASURE THE MOISTURE CONTENT OF BUILDING MATERIALS
Distinguishing between air dry and ambient moisture levels
Using an electronic moisture meter
The difference between masonry and timber measurements
WHAT IS CONDENSATION?
Dew point and surface temperatures
Seasonal factors
HOW DOES INTERSTITIAL CONDENSATION OCCUR?
Condensation within building elements
The interpretation of temperature gradients
THE EFFECTS OF HEATING, INSULATION, VENTILATION AND PHYSICAL BARRIERS
Design parameters
Problem solving
THE IMPLICATIONS OF MOULD
Mould types and toxicity
Conditions that cause mould
THE CAUSES OF ROT IN TIMBER
Types of fungal decay and contributing conditions
Wood boring insect: species and lifecycle
REMEDIES FOR DAMPNESS AND CONDENSATION
The range of options
Decision making criteria
REPAIRS FOR TIMBER DECAY
The extent of timber replacement
The use of chemicals
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