Rising Damp
Rising Damp

Salt Damp - Hygroscopic Salt Contamination

Salt contamination is not only caused by Rising dampness.



Other sources of salt contamination of masonry and plaster are:



  • Combustion gases in chimney flues contain traces of acids which form chlorides, nitrates and sulphates in the masonry. This is a common source of contamination at the surface of chimney breasts and reveals at all levels (upper floors as well as ground floor level).
  • Prolonged leakage of tap water or central heating water.
  • Leakage of soil water or contamination with urine. (Salts from animal urine are often responsible for salt damp problems in barn conversions/stables etc.
  • Direct rain penetration


As these salts are often hygroscopic (Moisture Attracting), patches of dampness may appear and disappear depending on the weather. This can sometimes be confused with a leak occuring. This is why it is important to have a qualified surveyor investigate.


We have a range of specifications designed to deal with salt contamination. These will result in a dry and protected surface.



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CK Walker Damp & Timbers have been provides Damp Proofing, Condensation Control, Re-Plastering, Fungal Decay & Woodworm solutions throughout Derbyshire & West Nottinghamshire. CK Walker LTD trading as CK Walker Damp & Timbers – Company Number 9072842 - Address –Unit 19a, Bailey Brook Business Park, Amber Drive, Langley Mill, Heanor, Derbyshire, NG16 4BE All images and text on this website are protected by copyright. 2021 For all your damp proofing & timber treatment needs in Derbyshire & West Nottinghamshire, Call us on 01332 960160 or 01629 352019