










|
|
DAMPNESS
The source of dampness in buildings can be the result of one or
combinations of several sources.the main sources of dampness are: -
Rising Damp: Lack of an effective horizontal damp proof course (DPC)
will result in rising damp.salt contamination by chlorides and nitrates
will invariably occur with rising damp.
Pentarating Damp: Lack of maintainance to buildings results in rainwater
ingress. Leaking gutters/downspouts, poor pointing, porous walls,
defective roofs and old external joinery are the sources
Condensation: Usually accompanied by mould growth. Condensation is
assocaited with poor ventilation and lack of adquate heating
Hygroscopic Salts: Hygroscopic (ie moisture attracting ) salts are
usually associated with rising damp. However chimney breast, walls built
with a strong acidic/alkail motar or historic strucures are other
sources of Hygroscopic Salts
Lateral Penetration: Walls below ground level are subject to lateral
pentration .the provision of Dry lining membranes can help provide dry
surfaces
Inspection
Carried out by fully qualified surveyors ,Robinsons inspects the
dampness considering all possible caues. Tests range from surface
readings with a Protimeter to core drill samples using a Calium Carbibe
meter. Wall plaster samples can be taken and laboratory tested for the
present of Chorides, nitrates and sulhates. .
Using modern equipment ( ie Continous Environmental Motioring System) we
are able to measure moisture humidity, ambient and surfaces tempertures.
Report
A detailed report with comphensive observations will be provided.
Recommendations and specifications will be provided for any necessary
treatments.
Treatments
All works carried out by Robinsons ar by fully trained and experience
technicians.
Vandex Injection Mortar is used for the treatment of Rising Damp. This
material has a British Board Of Agrement Cetificate. For Health and
Safety Vandex is odour free and non toxic.
For a survey and report please contact our office surveyors on
0161-872-3133
|