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Damp

Information on Damp

  • Basements waterproofing
  • Damp diagnosis case studies
  • Damp investigations
  • Damp management and remediation
  • Dampness in building elements
  • Exploring dampness
  • Monitoring moisture condition
  • Monitoring moisture condition case studies
  • Mould and ventilation management
  • Plumbing problems
  • Reducing condensation
  • Rot and infestation management
  • Sources of moisture
  • Surveying equipment and tests
  • Water
  • Waterproofing systems
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  • Water
  • Exploring dampness

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    • Dampness and moisture
    • Moisture movement around the building
    • Moisture movement through materials
    • How much moisture is acceptable?
    • Measuring moisture
    • Rising damp – myth or fact?
    • Dampness investigation
    • Framework for assessing damp
    • Characteristics of main types of defect
  • Sources of moisture

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    • Introduction
    • Types of condensation
    • Penetrating dampness
    • Plumbing leaks
    • Below-ground moisture
    • DPC bridging
    • Flooding
    • Flooding checklist
  • Damp management and remediation

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    • Introduction
    • Structural waterproofing
    • DPCs and floor membranes
    • Physical damp coursing
    • Chemical damp coursing
    • Building design and internal flooding
    • Solving dampness
  • Dampness in building elements

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    • Roofs
    • Chimneys
    • Main walls
    • Wall base damp-proofing
    • Case study: checking damp-proofing plasters
    • Case study: Wall base damp-proofing: to manage or cure?
    • Case study: Wallington's hundred-year floor
    • Case study: how to outflank damp
    • External applications
    • Floors
    • Internal plumbing
    • Basements
    • Basements checklist
  • Damp investigations

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    • Introduction
    • Inspection
    • The 4-stage approach to dampness investigations
    • Stage 1: visual inspection
    • Stage 2: investigation using moisture meters
    • Stage 3: detailed investigation
    • Stage 4: locating the source
  • Surveying equipment and tests

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    • Measuring moisture: introduction
    • Moisture meters
    • Electrical resistance meters
    • Electrical capacitance meters
    • Electronic hygrometers
    • The humidity box
    • Mechanical hygrometers
    • Borescopes
    • Drilling for samples
    • Gravimetric sampling method
    • Salts tests
    • Investigating water leaks
  • Monitoring moisture condition

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    • Introduction
    • Monitoring levels and procedures
    • Level 1: senses (mainly visual)
    • Level 2: EMMs in resistance and capacitance modes
    • Level 3: EMM accessories
    • Level 4: carbide meters (sometimes gravimetric or oven drying)
    • Level 5: sophisticated data logging
    • Monitoring tests
  • Reducing condensation

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    • Introduction
    • Lifestyle
    • Design
    • Surveys
  • Rot and infestation management

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    • Introduction
    • Dry rot
    • Wet rot
    • Common furniture beetle
  • Mould and ventilation management

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    • Introduction
    • Causes of mould
    • Risks associated with mould
    • Sampling mould
    • Surveying mould
    • Ventilation systems
  • Plumbing problems

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    • Introduction
    • Common causes of leaks
    • Copper pipework
    • Soil and waste systems
    • WC connections
    • Baths and basins
    • Radiator valves
    • Case study: seat of leaks
    • Case study: radiator valves
    • Case study: shower damp
  • Basements waterproofing

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    • Introduction
    • Surveying existing basements
    • Damp in Georgian basements
    • Typical basement failures and remedial options
    • Types of systems
    • Case study 1: below ground
    • Case study 2: London town house
    • Case study 3: Lyonsdown school
  • Waterproofing systems

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    • Introduction
    • Cavity drain systems
    • Multi-coat render systems (internally applied)
    • Cementitious coatings
    • Boned sheet membranes
    • Liquid applied membranes
    • Mastic asphalt tanking
    • Hybrid systems
    • Important external support measures
    • Selecting waterproofing
  • Damp diagnosis case studies

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    • Introduction
    • Invisible damp
    • 'Dampus metallicus': foiled again
    • Falling damp?
    • All above board?
    • Cornered by damp
    • The 334-day watch
    • Buried hearth, buried pipes, buried truth
    • The 'weeping stones' of Lough Neagh
    • Gone with the wind
    • Gone to ground
    • The French connection
  • Monitoring moisture condition case studies

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    • Introduction
    • (Level 1) - Water penetration under front steps: London town house
    • (Level 2) - Slate roof timbers: Using pin probes of the conductable meter
    • (Level 3) - Monitoring building drying after a flood caused by a pipe leak: contour mapping of capacitance readings
    • (Level 4) - Blockwork drying or not? The 'twin peaks' of Tenterden, Kent
    • (Level 5) - Monitoring of air and ceiling curing bath filling using data logging equipment
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