Peter Chapman Property Surveying

Peter Chapman Property Surveying Peter Chapman Property Surveying Peter Chapman Property Surveying

Peter Chapman Property Surveying

Peter Chapman Property Surveying Peter Chapman Property Surveying Peter Chapman Property Surveying
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    • Home
    • About us
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    • Contact us for a chat
    • FAQ's
    • Damp & Condensation
    • Fees
  • Home
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  • Contact us for a chat
  • FAQ's
  • Damp & Condensation
  • Fees

Some examples of the typical issues and recording defects

External environment

Internal symptoms of penetrating damp

External environment

Thevexternal environment can effect the finished designed to protect the building. In marine environments it is important to specify the correct materials and thus, to protect against penetrating damp

Blocked inlet gully

Internal symptoms of penetrating damp

External environment

As can be seen from the image above, some  issues are easily identified allowing simple rectification. All that is required is to complete a specification to remedy masonry and plaster finishes

Internal symptoms of penetrating damp

Internal symptoms of penetrating damp

Raised external ground causing moisture to track across the wall

As can be seen from the image above, it would be easy to jump to the conclusion of rising damp here and spend thousands rectifying a problem that does not exist. This was caused by raised external ground levels. Once the levels had been reduced, the drying process commenced naturally 


Raised external ground causing moisture to track across the wall

Raised external ground causing moisture to track across the wall

Raised external ground causing moisture to track across the wall

a combination of built up ground levels and air bricks funnelling water to below ground areas caused

a combination of built up ground levels and air bricks funnelling water to below ground areas caused extreme damage over a number of years, once again, the natural drying process takes place once the cause is remedied

Protimeter MMS taking resistance readings of an internal wall

Raised external ground causing moisture to track across the wall

Protimeter MMS taking resistance readings of an internal wall

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Appropriate use should be made of test equipment. Here we can see the use of pin probes, which provides a just below surface reading, which can be effected by surface moisture and salts as well as metal beads, foil backed plasterboards etc

Protimeter MMS taking deep wall readings

Raised external ground causing moisture to track across the wall

Protimeter MMS taking resistance readings of an internal wall

deep Wall readings can provide more information and allow the surveyor to rule out surface issues. deep wall probes are sleeved to ensure that the readings are accurate and focussed.  

Mapping damp readings

Vapour pressure migration

Vapour pressure migration

we always ensure that damp measurements are meticulously recorded as this provides a graphical representation of the extent of damp problems. This enables the surveyor to focus on the main areas and will provide a more targeted approach.

Vapour pressure migration

Vapour pressure migration

Vapour pressure migration

the migration of moisture is something that tenants and home owners do not generally understand. PCPS can provide literature to occupiers to educate them on the correct use of systems, ventilation, heating and door closers to reduce the effects of air our e moisture migration. 

Plan view damp readings

Vapour pressure migration

Plan view damp readings

plotting the issues on a floor plan help the surveyor to identify problem areas, which ensures that all issues are correctly diagnosed. In some cases, the dampness is caused by more than one issue, and this method will produce a holistic view of the defects and aid in producing a more accurate report

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