Basement Tanking
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Kennedy Damp Proofing provide a comprehensive range of waterproofing treatments and basement tanking solutions for both domestic and commercial properties.
Kennedy Damp Proofing delivers a complete range of waterproofing solutions and basement tanking services for residential and commercial properties. We are experienced specialists in below-ground waterproofing; our services include basement tanking, cellar tanking, underground vaults, cellars and lower level accommodation such as garden apartments.
Cellar & Basement Tanking
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Our basement tanking expertise can deliver comprehensive systems while providing cellar tanking solutions and repairs to moisture-affected walls. We are fully prepared to handle all basement tanking and waterproofing installations and provide a complete range of treatments to suit your requirements. Our structural waterproofing solutions are fully guaranteed and offer an excellent approach for preserving or maximizing below ground areas. Tanking a cellar or basement can be an economical method of expanding living space and can enhance property value.
Kennedy's basement tanking systems are highly effective for waterproofing underground structures, utilizing either our Kennedy SWS tanking system, Kennedy Rapid or a Cavity Drain Membrane System.
Basement Tanking
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Water damage can significantly impact your residential or commercial property. Basement tanking solutions from Kennedy can ensure your property remains protected from potential groundwater damage in below ground areas.
At Kennedy Damp Proofing, we have been delivering basement tanking services across Sussex for over 25 years. All our basement membrane systems for tanking cellars or basements are highly effective as our leading designers and specialist possess extensive industry experience, ensuring we achieve dry basements protected by comprehensive warranties.
Cavity Drain Membrane
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Cavity drain membranes involve installing a studded membrane to the substrate, incorporating drainage arrangements through perimeter drainage, channels and gullies. A cavity drain membrane requires this drainage to discharge water from behind the membrane into a sump pump.
The pump and drainage access points must remain reachable for regular maintenance. Our pumping systems typically feature battery backup and alarm activation in case of failure or power loss. Battery backup and alarm systems are standard with our cellar and basement tanking systems. This prevents water and drainage accumulation and flooding risk.
We seal joints to ensure the complete membrane forms a dry, watertight envelope preventing groundwater damage. The area can then be resurfaced and plastered as required.
Our Kennedy Basement Tanking and Cavity Draining systems carry 10-year guarantees as standard. This provides complete confidence for all customers and ensures that should any unlikely issues arise, our expert team will provide premium basement tanking solutions for your property. Beyond our guarantees, additional insurance and backup warranties are available from leading providers if needed.
SWS Basement Tanking System
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SWS represents Structural Waterproofing System. This approach for basement tanking involves stripping all existing plaster, paints and finishes. Our team then uses breakers, mechanical preparation and needle gunning to eliminate surface coatings ensuring the underlying substrate is in suitable condition for waterproofing. This is a crucial step as the basement tanking solutions we deliver depend on the stability and condition of the cellar walls, which can affect future use of the below ground space.
Our SWS basement tanking system also applies specialized multi-coat tanking slurry to the masonry using brush, low-pressure spray or trowel application.
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Get Expert Damp Proofing, Book Your Free Survey Today
Whether you're worried about rising damp, mould patches, condensation, or timber decay, Kennedy Damp Proofing is here to help. We offer free damp surveys across Brighton, Hove, Shoreham, and Sussex, with fast response times and 30-year guaranteed treatments. Our certified team will inspect your property, explain the issue in plain English, and provide a clear, no-obligation quote, so you can take action with confidence.
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Phone - 01273 110107
Email - [email protected]
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Areas We Cover
If your area is within an hour of Hassocks, give us a call as we can still cover your location, and where possible we will accommodate.
Frequently Asked Questions
Before calling, here are some questions people often ask us which may answer your query.
What do damp proofers do?
Damp specialists examine properties to detect moisture issues, locate the root cause, and implement targeted solutions such as chemical damp proof course injection, protective membrane installation, improved ventilation systems, or waterproof tanking to eliminate dampness and stop future moisture penetration.
What are the first signs of damp in a house?
Early signs of damp include black mould near skirting boards, musty smells, peeling wallpaper, salt staining, or cold patches on walls, even when the heating is on.
Is damp proofing covered by a guarantee?
Yes. At Kennedy Damp Proofing, all our treatments come with a 25-year guarantee, covering both materials and installation when carried out by us.
What is the best damp proofing method?
The best method depends on the cause. For rising damp, DPC injection or membrane damp proof courses are common. For basements, BS 8102-compliant tanking systems like Triton TT55 are ideal. A proper survey ensures the right solution is used.
Is damp proofing worth it?
Yes. Damp proofing protects your property's structure, prevents health risks from mould, improves energy efficiency, and maintains resale value. It’s a long-term investment in your home.
How do you know if you need damp proofing?
If you see mould, peeling paint, musty smells, damp patches, or warped timber, especially on lower walls or near windows, it’s time for a professional damp survey.
What are the side effects of damp proofing?
When done professionally, side effects are minimal. Poorly installed systems may trap moisture or cause further issues. That’s why we only use certified methods and breathable materials to ensure safe, lasting results.
Which areas do you cover?
We are based in Hassocks, but cover all of Sussex, and all along the South of England. If you are in a town/village nearby, please contact us and we can visit for a quick survey.
Can damp cause health issues?
Yes. Untreated damp and mould can worsen respiratory issues, trigger allergies, and affect indoor air quality, especially in poorly ventilated areas.
How long does damp proofing take?
Most damp proofing jobs take 1–5 days depending on the severity and area size. We provide a clear timeframe after your free survey.
Will I need to leave my home during treatment?
In most cases, no. Our technicians work cleanly and efficiently to minimise disruption, keeping your home safe and liveable throughout the process.
What are the advantages of damp proofing?
Damp proofing protects your health by eliminating harmful mould, preserves your property's structure and value, reduces heating costs, creates a more comfortable living environment, and provides long-term peace of mind with professional guarantees.
What are the requirements for damp proofing?
Successful damp proofing needs thorough assessment using specialist equipment, careful preparation of affected areas, application of appropriate treatments like DPC injection or membranes by experienced professionals, compliance with building regulations, and proper warranties on both materials and workmanship.
Can damp come back after damp proofing?
When carried out properly by qualified professionals using quality materials and methods, damp proofing should provide long-lasting protection, but poor workmanship, inadequate diagnosis, or new issues like roof leaks or broken gutters can allow moisture problems to return.
