Damp Defence

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Damp Defence Damp Proofing and Timber Treatment Specialists Damp Defence have many years of experience of diagnosing damp, wet and dry rot, woodworm, and water damage.

We will carry out a thorough survey and diagnose the cause and recommend a solution to the problem in our detailed report which will normally be emailed. You can be assured that our PCA (Property Care Association) trained damp proofing technicians have many years’ experience in working in occupied properties and are fully aware of your needs whilst carrying out the work. We only use the safest and most up-to-date damp proofing and timber preservation materials and will keep you advised of our progress for the duration of the work. All damp proofing works are covered by our long-term guarantee.

Job completed In Newport we removed the plaster back to brickwork installed a chemical dpc, used a mixture of render wit...
09/10/2026

Job completed In Newport we removed the plaster back to brickwork installed a chemical dpc, used a mixture of render with our added waterproof and salt retardant additives and membrane and board and finished with a thistle plaster contact us for any damp issues

Heated p.i.v unit installed today. Contact us for any condensation or mould issues
29/09/2026

Heated p.i.v unit installed today. Contact us for any condensation or mould issues

Job completed in Cardiff. We removed plaster back to brickwork, installed a chemical dpc, rendered with our added waterp...
28/09/2026

Job completed in Cardiff. We removed plaster back to brickwork, installed a chemical dpc, rendered with our added waterproof and salt retardant additives and finished with a thistle plaster. Contact us for your free no obligation quote

Job completed in Hengoed. We removed plaster back to brickwork installed chemical dpc,applied a tanking slurry due to hi...
28/09/2026

Job completed in Hengoed. We removed plaster back to brickwork installed chemical dpc,applied a tanking slurry due to higher external ground levels, rendered with our added waterproof and salt retardant additives and finished with a thistle plaster. Contact us for any damp issues

Job completed in Cardiff, we removed the plaster back to brickwork, installed a chemical dpc, rendered with our added sa...
16/09/2026

Job completed in Cardiff, we removed the plaster back to brickwork, installed a chemical dpc, rendered with our added salt retardant and waterproof additives and finished with a thistle plaster. Contact us for any damp issues

Job completed in Cardiff. In the basement we applied a 3mm mesh membrane to the walls, we plasterboard and finished with...
16/09/2026

Job completed in Cardiff. In the basement we applied a 3mm mesh membrane to the walls, we plasterboard and finished with a thistle plaster. We applied a tanking slurry to the floor. We also treated various areas on the ground floor for rising damp we installed a chemical dpc and used a mixture of render with our added salt retardant and waterproof additives and membrane and board before finishing with thistle plaster. Another happy customer. Contact us for any damp issues

Job completed in Cardiff, we removed plaster back to brickwork, installed a chemical dpc, rendered with our added waterp...
11/09/2026

Job completed in Cardiff, we removed plaster back to brickwork, installed a chemical dpc, rendered with our added waterproof and salt retardant additives and finished with a thistle plaster. Contact us for any damp issues

Job completed in Cardiff we removed the plaster back to brickwork, rendered with our added waterproofer and salt retarda...
03/09/2026

Job completed in Cardiff we removed the plaster back to brickwork, rendered with our added waterproofer and salt retardant additives and finished with a thistle plaster. We also treated the wall from a previous roof leak. Contact us for any damp issues

Job complete in Cardiff we removed the plaster back to brickwork, installed a 3mm mesh membrane, re-plasterboard and fin...
28/08/2026

Job complete in Cardiff we removed the plaster back to brickwork, installed a 3mm mesh membrane, re-plasterboard and finished with a thistle plaster. We then removed the bottom of the wall due to bridging throughout the whole down stairs of the property and applied a 2 part epoxy resin to floor throughout the property. Another happy customer. Contact us for any damp issues

Job completed in penarth, we removed all floorboards and treated all the joist with our woodworm chemical treatment, we ...
21/08/2026

Job completed in penarth, we removed all floorboards and treated all the joist with our woodworm chemical treatment, we then installed new floorboards due to the old floorboards being to decayed by the woodworm and treated the new floorboards. Contact us for any woodworm or timber issues

Address

Clos Nant Mwlan
Cardiff
CF23

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