Damp proofing contractors, fully approved by sovereign chemicals. For dpc injection, above and below ground tanking and all timber treatments. We are a Damp proofing company working within 30 miles of Merthyr Tydfil, our work involves damp proofing and timber treatment all our work comes with a Sovereign bonded guarantee, you can call us up until 10pm- we will be happy to discuss any concerns you may have regarding your property..

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JWJ Damp proofing are listed in; Glamorgan Business Directory : Merthyr Tydfil Business Directory : Damp Proofing Directory : Damp Proofing in Merthyr Tydfil : Damp Proofing in Glamorgan