Rising damp treatment

Question

I have a 2 bed terraced house and have rising Damp on all 4 walls although it’s worse on the wall where the chimney was removed any idea how this will be tackled

Yasar · Accepted Answer

To address the rising damp in your terraced house:

1. **Assessment:** A professional damp surveyor will inspect for rising damp and check the condition of the damp-proof course (DPC).

2. **DPC Repair/Installation:** If the DPC is damaged or missing, it may need to be repaired or replaced. Common methods include chemical injection or physical damp-proof membranes.

3. **Chimney Area Repair:** Ensure the chimney flue is properly sealed and ventilated. Any disruption to the DPC from chimney removal must be repaired.

4. **Internal Wall Treatment:** Damaged plaster should be removed, and walls replastered with a damp-resistant material. A damp-proof membrane may be added.

5. **External Work:** Ensure external ground levels are below the DPC, and repair any faulty gutters or drains to prevent moisture ingress.

6. **Ventilation:** Improve airflow, particularly in the area where the chimney was removed, to reduce internal moisture.

7. **Monitoring:** Regular checks after repairs are essential to ensure the damp problem is resolved.

Engage a damp specialist to ensure thorough and effective remediation.

Keven · Answer

Hi Sam.
1st how do you know its rising damp 
2nd. How old is the property ..
Does the property have a damp coarse at all .
Is the ground out lower than 2 courses of bricks ?
Wooden floor or solid floor .do u have sufficient ventilation I.e air bricks if wooden floor .chimney breasts on older properties never had a damp coarse anyway .tbh I can't give u an exact answer unless I look at they property itself.
Sorry just being honest .kev

Gregory · Answer

Take wall back to brick and then use a tanking slurry to seal the wall.

Jason · Answer

I need to see it first all different types of damp

Allan · Answer

I have use this product called Toupret, Humi-block https://www.youtube.com/watch?v=diPIk5P0fkI 

Which has work for me over any years.

Khaled · Answer

prime and reseal the area using our PermaSEAL damp proofing range.

Firstly prime the area with PermaSEAL Salt Inhibitor then, whilst damp, apply two coats of PermaSEAL Tanking to the area as per the datasheet then apply a minimum 10mm coat of PermaSEAL Renovating Plaster over the surface to form a salt-resistant barrier. Finally, skim over with Multi Finish Plaster.

Salvatore · Answer

Rising damp in a terraced house, especially one with a history of modifications like chimney removal, can be a significant issue, but it can be addressed with the right approach. :

Robert · Answer

Firstly I’d find the source of the damp I.e blocked gutters or leaky gutters then rectify the the walls would need to be hacked of back to brick a new damp course installed through a drill and inject system the two coats waterproof render and skim over with plaster

Gareth · Answer

Hi 
You can fit a new damp course by injection along the brick motor line

Daniel · Answer

you will need dpm injection into the failed dpm course and the chimney will need to be looked at as letting in water

Rising damp treatment

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