• Cynon Damp Proofing

  • 07971 334045

    07971 334045

  • 40 Ynys Las, Nelson Treharris CF466LE

About Us

Proudly serving South Wales for over 20 years

  • More than 20 Years of Timber Protection
  • Building Services Available
  • Host of Expert Services Provided by Dry Rot Treatment Specialists
  • Keen On Saving Your Foundations
  • Rid Your Home of Rot

When you are seeking timer treatment and rot protection in Treharris, Mid Glamorgan, get help from a tried-and-tested local business that will always be here for you. We at Cynon Damp Proofing offer the experience of more than 20 years of timber protection. Whether it is to repair or prevent rot and timber damage, we are the first choice solution to your problems. Get in touch with our specialists when you need help with your woodwork. Our damp proofing services include timber treatment, and everything comes at a competitive rate. We have reliable experts on hand for commercial and domestic clients, covering any need that you have. In addition to saving your home or business from the ravages of damp, we offer a wide range of domestic building work that includes roofing, carpentry and plastering. Make dry rot a thing of the past with our solid workmanship. Contact us today for a quote on any of our services.


Trade and Regulatory Bodies

Products & Services


  • Basement tanking
  • Black Mould Solutions
  • Condensation control
  • Condensation
  • Damp control
  • Damp Free Solutions
  • Dry rot
  • Fitting
  • Free quotes
  • Fully insured
  • Independent advice
  • Inspection
  • Listed/historic buildings
  • Mould Removal
  • Repairs
  • Timber preservation
  • Wet Rot
  • Woodworm eradication
  • Work guaranteed
  • Building Services
  • Damp Proofing
  • Timber Treatment
  • Woodworm Removal


  • Compatible with most types of walls
  • Cost effective
  • Discreet and effective
  • Eco-friendly
  • Installed externally
  • Insurance Approved
  • Permanent solution

Payment methods

  • Bank Transfer
  • Cash
  • Cheque

Opening hours

  • Mon-Fri: 8:30am - 17:00pm

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