Damp Problems
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• Damp Proofing
• Timber Treatment
• Condensation Cures
• Cellar Conversion
 

Different types of damp problems

Rising Damp Rising Damp

Rising damp is normally treated using a water based material which is injected at low pressure into a mortar joint. This prevents movement by capillary action through the pores of this joint, thus providing an effective damp proof course. It is usually necessary to renew the internal wall plaster which will have become contaminated by salts rising from the ground, typically nitrates and chlorides. It is not necessary to renew the wall plaster at the same time, and it is often better to leave it for some time if that is possible.
Penetrating Damp Penetrating Damp


Penetrating damp is treated above ground, by firstly removing the source of water, probably a faulty gutter or down pipe, or perhaps bad pointing or a chimney defect. Once this has been done, defective internal plaster can be renewed.

Dampness problems do not arise over-night, and can not be cured instantly. The source of the moisture needs to be correctly identified, removed or excluded, and the fabric of the building given time to dry before any remedial replastering and redecorating.

Click here to view the plastering specification.

The Building Research Establishment suggests that walls dry out at the rate of one month per inch of wall thickness. A typical Victorian solid wall is nine inches thick, plus the wall plaster and any external render.




Extent of inspection


Depending on our instructions, accessible walls at ground floor level will be inspected for rising damp, using an electric resistance meter, and visual observations. We will not, ourselves, move external obstructions or internal furnishings. Internal elevations of external walls will be inspected for penetrating damp, if we are so instructed.

The whole property will be visually inspected for signs of significant condensation, backed up by measurements taken with a Thermal Hygrometer if it is considered advisable to do so. External observations will be made and relevant comments on building defects, rainwater goods, external render etc will be included where appropriate, in the report, if submitted. Any visual evidence of timber decay will be reported on.


For further information on our damp proofing solutions, click here.




Inspections Damp Proofing Timber Treatment Condensation Cures Cellar Conversion
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We are experts in timber treatment, condensation cures, damp proofing and cellar conversions. We work in London and throughout the Home Counties area, mainly in Essex and Hertfordshire. We are a well-established family firm, and have built our business on our good reputation. Our work is carried out by our own staff and is usually backed by a long-term insurance-backed guarantee.   Dry Rot [Serpula lacrymans] causes extensive damage and should be thoroughly dealt with as soon as it is found. It needs an initial source of moisture but it can then spread to attack adjacent dry wood and can travel through masonry.   RegencyHDT
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WARE
Hertfordshire
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Association of Accredited Wykamol Users (AAWU) British Wood Preserving and Damp Proofing Association
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