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Kimberley Gulf Kimberley Gulf
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Business Details
50+ Years
experience
Trusted Damp Proofing & Timber Treatment Services
Established in 1974, Kimberley Gulf has built a reputation as a trusted specialist in building preservation across North Wales. Founded by Dave Roberts and now led by Gareth Ellis and the team, we focus on resolving complex timber and damp-related issues through expert diagnosis and treatment. Our services are underpinned by decades of hands-on experience, with surveyors holding nationally recognised qualifications including Certified Surveyor in Remedial Treatment (CSRT) and Certified Surveyor in Structural Waterproofing (CSSW).

As members of the Property Care Association, we provide 20-year guarantees on damp proofing and timber treatments, backed by Guarantee Protection Insurance. Our SSIP-accredited operations combine technical expertise with a commitment to safety, employing qualified plasterers and offering comprehensive solutions for residential and commercial properties. With a heritage spanning multiple generations, we maintain the same company name and guarantees despite ownership transitions, ensuring continuity and trust for every client.
Services
Dry Rot Treatment Wet Rot Treatment Woodworm Treatment Damp Proofing Waterproofing Tanking Wall Tie Repairs Flood Protection Systems Condensation Control Building Surveys Cavity Wall Tie Inspections
Details
  • Year established: 1974
Highlights and features
  • 50+ years of specialist experience in building preservation
  • Surveyors hold CSRT and CSSW industry-recognised qualifications
  • 20-year guarantees on damp proofing and timber treatments
  • SSIP-accredited health and safety management systems
  • Directly employ qualified plasterers with CITB CSCS cards
Associations and certifications
  • Property Care Association
  • SSIP
  • Guarantee Protection Insurance
Update Listing
Services
Dry Rot Treatment
Our dry rot treatment addresses severe timber decay caused by Serpula Lacrymans fungus. We eliminate moisture sources, apply fungicides, and replace damaged timbers while preventing recurrence through barrier systems. Expert diagnosis ensures complete eradication of hidden infestations.
Damp Proofing
We install remedial damp proof courses using chemical injection systems to stop rising damp. Our solutions include salt-contaminated plaster replacement and moisture management strategies for long-term structural protection against penetrating damp issues.
Waterproofing Tanking
Specialist waterproofing systems create barriers against groundwater ingress. We implement Type A cementitious coatings, Type B structural concrete solutions, and Type C cavity drainage membranes to protect below-ground structures from persistent dampness.
Building Surveys
Our qualified surveyors conduct comprehensive inspections for timber defects and damp issues. We produce detailed reports with treatment recommendations, covering pre-purchase evaluations and mortgage survey requirements across residential and commercial properties.
Wall Tie Repairs
We replace failed cavity wall ties with stainless steel alternatives using resin-bonded or mechanical fixing methods. Our structural reinforcement solutions restore wall stability and prevent moisture penetration through compromised masonry joints.
People
Gareth Ellis
Director
Gareth holds CSRT and CSSW qualifications, managing technical operations with 20+ years' experience in remedial building treatments and structural waterproofing solutions for residential and commercial properties.
Peter Roberts
Former Director
Peter joined in 1988, becoming co-owner in 2009 before retiring after 35 years. He established key operational standards and maintained continuity through company transitions until 2023.
Questions
What services does Kimberley Gulf specialise in?
We specialise in timber preservation, damp proofing, waterproofing tanking systems, wall tie repairs, and condensation control for residential and commercial properties across North Wales.
Do you offer guarantees on your treatments?
Yes, we provide 20-year guarantees on damp proofing and timber treatments, and 10-year guarantees on waterproofing and tanking systems.
Are your surveyors qualified?
Our surveyors hold Certified Surveyor in Remedial Treatment (CSRT) and Certified Surveyor in Structural Waterproofing (CSSW) qualifications accredited by the Property Care Association.
How do you handle cavity wall tie defects?
We inspect, replace, and install cavity wall ties using stainless steel materials to restore structural integrity and prevent moisture ingress.
Can you treat condensation-related mould?
Yes, we assess condensation issues and implement ventilation solutions alongside anti-mould treatments to address black spot mould and dampness.
What areas do you cover?
We operate throughout North Wales, including Bangor, Caernarfon, Gwynedd, and surrounding regions for all our building preservation services.