Damp Proofing Specialists Serving Northern Ireland
We provide expert damp proofing services to protect homes and businesses from rising damp, penetrating damp, and condensation issues. Our CSRT-qualified surveyors combine decades of experience with proven materials to stop damp at its source — keeping your property dry, warm, and structurally sound.
Client Satisfaction
Trusted by homeowners and businesses across Northern Ireland for professional advice, honest surveys, and long-term protection.
Years of Experience
Over two decades of experience diagnosing and treating rising damp, penetrating damp, and basement tanking problems.
Year Guarantee
All major damp proofing and waterproofing treatments come with up to 20-year guarantees for complete peace of mind.
WHO WE ARE
Leading Damp Proofing Experts in Northern Ireland
At Mould Damp & Woodworm Specialists, we’re dedicated to protecting Northern Ireland homes and businesses from the damaging effects of moisture.
Our CSRT-qualified surveyors carry out detailed inspections using advanced diagnostic equipment to identify rising damp, penetrating damp, and condensation problems. We then provide tailored treatments such as chemical damp proof courses, membrane and tanking systems, and breathable plastering methods for a complete and lasting solution.
We’re proud to be one of Northern Ireland’s most trusted names in property care — combining specialist knowledge, certified workmanship, and excellent customer service.
WHY WE DO IT
Our Commitment to Protecting Your Property
Damp doesn’t just damage walls — it affects air quality, comfort, and even health. Our goal is to make every property we work on dry, safe, and protected for the long term.
We take pride in offering honest, transparent surveys, clear advice, and effective damp proofing
treatments designed to last. From the first inspection to the final finish, we treat every property as if it were our own.
WHY CHOOSE US
Protecting Northern Ireland Homes with Excellence
Our damp proofing services are trusted across Northern Ireland for their reliability, professionalism, and long-term results. Whether your issue is rising damp, penetrating damp, or condensation, our treatments are built to perform and guaranteed to last.
Our expert team provides:
Expert Installation
Qualified technicians applying proven damp proofing systems with precision and care.
Protective Coatings That Last
We use damp-resistant paints and coatings on newly treated walls to seal and protect surfaces from moisture. Combined with our professional plastering service, this ensures a smooth, long-lasting finish that safeguards your home against future damp problems.
Moisture-Resistant Painting & Finishing
Following damp proofing or tanking work, we offer specialist interior and exterior painting solutions formulated to protect your property against future damp. These breathable coatings allow trapped moisture to escape while preventing further penetration through walls.
Reliable Support
From survey to aftercare, we provide expert guidance and dependable service every step of the way.
Proven Protection
All damp proofing work is backed by guarantees and premium-quality materials for lasting results.
Tailored Solutions
Every property is unique — we design the right solution based on survey findings and building type.
FREQUENTLY ASKED QUESTIONS
Your Questions About Damp Proofing Answered
We understand that damp can be a major concern for property owners. Below are answers to some of the most common questions we receive about damp proofing and moisture control across Northern Ireland.
1. What is damp proofing and why is it necessary?
Damp proofing prevents moisture from entering your walls and damaging plaster, decoration, and structure. It’s essential to protect your home’s condition and value.
2. How do I know if I have rising damp?
You may notice tide marks, bubbling paint, salt deposits, or plaster crumbling at the base of walls. A professional survey confirms the cause and treatment needed.
3. What’s the difference between rising and penetrating damp?
Rising damp comes from ground moisture moving upward, while penetrating damp occurs when rainwater enters through walls or damaged brickwork.
4. How long does damp proofing last?
When professionally applied, a damp proof course or membrane system can protect your property for decades.
5. Will damp proofing stop condensation and mould?
Yes, when combined with ventilation improvements such as PIV or MEV systems, damp proofing significantly reduces condensation and mould.
6. How much does damp proofing cost in Northern Ireland?
Costs depend on the property size and problem severity. We provide clear, no-obligation quotes following a professional survey.
7. Can you treat basements and cellars?
Yes, we offer full basement tanking and waterproof membrane systems to prevent water ingress in below-ground spaces.
8. Are your treatments suitable for older or listed properties?
Absolutely. We use breathable, heritage-safe materials that protect period buildings without trapping moisture.