Plan for https://Surveyor.Tips upcoming guides:
Introduction
Intro Damp – why do we care?
Intro 2 About Surveyors.Tips
Intro 3 What causes damp
1 Vapour
1a Condensation
b Hygroscopicity
b i Hygroscopic salts
1a Dew point
1b Vapour sources
1c Ventilation assessment
1d Sub-floor humidity
1e Interstitial condensation
1f Dew line
1g Vapour absorption
1h Dehumidifiers
1i Mould & dust mites
1j Windows
1k Heat balance
1l Radiators
1m Thermal bridging
11n i Condensation in unexpected places
11n ii • Condensation from fridges
11n ii • Wine storage
2 Rainwater
2 Penetrating damp
2a Roof
2b Gutter, rainwater goods
2c Perimeter drains (French drains)
2d Rainwater gullies & drains
2e Render
3 Mainswater
3a Leaks
3b Wastewater
3c Dishwasher / washing machine
3d Heating systems
3e Grey, wastewater or foul water drains
3f Built in water
4 Groundwater
4g Rising damp
4a Standard treatment for rising damp
4b Structural damp proofing
4c Disagreement with damp proofers
4d Correspondence with PCA
4e Misidentified rising damp
4f Rising damp treatment failures
4g Risk assessment
4h Reported DPC failure
5 Timber decay
5 Wood rot
5a Dry rot
5b Wet rot
5 Woodworm
5a Woodworm treatment
6 Diagnosing damp
6a Profiling
6b Colour
6c Salts
6d Leak detection
6e Damp surveying
6f Changes including lifestyle (baby)
6g Visiting neighbouring properties
6h Tell-tale signs of damp
6h i Efflorescence
6h ii Blocked gutters
6h iii Knotweed, bamboo, buddleia
6h iv Subsidence cracks
6h v Mould growth
7 Building elements and materials
7a Walls
7a i Internal renders / plaster
7a ii damp proof course DPC
7a iii DPM
7a iv Rubble filled walls
7a v Cavity wall
7a vi • Cavity wall ties
7a vi • Pointing
7a vii Lime versus cement
7b Roofs
7c Floors
7c i Solid floors
7c ii Suspended timber floors
7d Chimneys, fireplaces
7d i Chimney pots
7d ii Flaunching
7e Embedded metal
7e i Sockets
7e ii Wrought iron
7f Cellars
7g Period properties, new build
7h Location: on hill, alley, off-set
8 Tools & techniques
8a Damp meters
8b Anemometers
8c Humidity meters
8d Hygrometer probe
8e Monopole extender
8f Dataloggers
8f i Humidity
8f ii Moisture
8g Thermometers / Infra-red
8h Leak tracing
9 Remedial recommendations
9a Ventilation
9a i Building regulations
9a ii Whole property
9a iii Positive input
9a iv Purge extractor fans
9a v Sub-floor ventilation
9b Penetrating damp
9b i Walls
9b i • Render
9b i • Paintwork
9b ii Roof
9b iii Perimeter
9c Gutter leaks
9d Reducing vapour
9d i Tenants
9d ii Owners
9d iii Vendors
9d iv Commercial
9e Groundwater – Rising damp
9f Leaks
9g Follow-on surveys – CCTV drain survey
9h Monitoring improvement
9i Tips
10 Treatment failures
10a Chemical damp proofing
10b Positive Input Ventilation PIV
10c Extractors fans
11 Other matters
11a Legal considerations
11a i Hart v Large
11a ii Party wall agreement
11b Interesting quirks
11b i Damp caused by occupier intervention (tenants)
11b ii Blocked vents
11b iii Vents switched off
11b iv Radiators turned off
11c Who to turn to if you have damp?
11c i Damp surveys
11c ii PCA
11c iii RICS
11c iv chemical damp proofing contractors
11d Do you want to become a damp surveyor?
11e Insurance claims
11f Resources
11f i online
11f ii Drain report – local searches
11g Online courses – good and bad aspects
11h Analysis of 1,000 damp surveys
11h i Example surveys
11h ii Sponsors