Damp Chimney Breast Ground Floor

This is an internal wall and the construction is single skin brick.

Damp chimney breast ground floor. Chimney breast indoor walls damp problems. A quick summary checklist. Answer you may have rising dampness or your damp proof course may be bridged by. The rear bedroom chimney breast tested positively for damp.

Using my moisture meter i tested the chimney breast to the ground floor and first floor and through the loft space. Symptom damp patches on the ground floor at low level right down to the skirting board that come and go you have hygroscopic salts that are attracting moisture from the air. Condensation causing chimney damp the problem if there are no signs of leaks in your property the damp on your chimney breast might be a result of condensation. Some older properties in particular were built with no dpc around the chimney breast.

If you don t have a dpc around your chimney breast and water and moisture gets inside the stack and is allowed to sit at the base or the ground beneath your chimney breast is damp then this damp can rise up into the walls of your chimney breast rising damp. Symptom damp patches on the ground floor at low level right down to the skirting board that come and go you have hygroscopic salts that are attracting moisture from the air. Close up of fluffy white salts on a chimney breast. I have had a problem with damp patches appearing around my ground floor chimney breast and i would have though i first noticed an issue around 2 years ago.

Both used and unused chimneys require ventilation.