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Regional Specialists
Your Local Damp Proofing Experts
At Above Water, we are trusted damp proofing specialists with over 50 years of combined experience. Working across Berkshire, Reading, Bracknell, Wokingham, Guildford, Slough, Windsor and Henley, we deliver expert solutions for damp proofing, rising damp, basement tanking, condensation control, damp treatment, penetrating damp treatment and DPC installation.
Our mission is simple, to protect your property with proven, long-lasting results. Whether it’s structural waterproofing for a basement or effective damp proofing in your home, we provide honest advice, reliable service, and cost-effective treatments backed by professional expertise.
Survey & Diagnostics
Basement Waterproofing
Specialist Services
Accredited Damp Proofing Specialists
Damp problems only worsen if left untreated, which is why Above Water provide professional damp proofing solutions across Windsor, Berkshire and the South East. As experienced damp proofing specialists, we offer free surveys and honest quotations, advising on the most effective treatment whether it’s rising damp, basement tanking, condensation control, penetrating damp treatment or DPC installation. Combined with over 50 years of experience and a reputation built on consistent results.
We are fully qualified and accredited, holding City & Guilds certification in damp surveying and treatments, CSCS approval for safe site work, Skanska scaffolding accreditation, and KITS certification for the correct use of power tools.
City & Guilds
CSCS Safe Site
Skanska Approved
KITS Certified
WHAT WE DO
Unsure what treatment you need? Speak with Eddie → Our Main Damp Proofing Services
Professional damp proofing and structural treatments across Berkshire, Surrey & South East.
Why Choose Above Water
Our Specialties
Professional diagnostics, honest tradesmanship, and structural waterproofing.
We Exceed Expectations
Delivering expert damp proofing and waterproofing with proven diagnostic results across Berkshire, Surrey, and the South East.
✓ Rigorous Quality Standards
High Quality Service
Specialist rising damp, basement tanking, and DPC injection completed to strict British Standards (BS 8102 & BS 6576).
✓ City & Guilds Certified Work
Value For Money
Transparent surveys and honest, cost-effective remedial treatments that permanently protect your home without inflating costs.
✓ Free Transparent Quotations
Verified Feedback
Show All Reviews → What Homeowners Say
"Work was done to an excellent standard"
"My name is Zoe Smith and for some time I had a really bad damp problem in my home and as I've got asthma it got awfully worse so I decided to get quotes. I chose Above Water as they gave the best quote and had great reviews. The work was done to an excellent standard, they were very polite and fast, taking only a couple of days. I'm so happy my walls are dry and my asthma has got better, plus I got a 30-year insurance-backed guarantee!"
Zoe Smith
Windsor, Berkshire • Rising Damp & Salt Barrier
"Very hard working and clean"
"Mr Stanley from Above Water came to survey my property after I called about suspected rising damp in my living room. He was very polite and professional, tested my walls, and quoted me on what was needed. He done an amazing job, quick, hard working and clean, and even jet-washed my drive free of charge afterwards! Would definitely recommend!"
Lisa Bull
Reading, Berkshire • Rising Damp Diagnosis & DPC Injection
"All my questions were answered"
"Eddie the surveyor came down, looked at the work, and explained everything needed. All my questions were answered and it was the most competitive quote. The work was carried out cleanly, and they even repaired leaks in the porch area with cement and sealants. Very happy and will recommend to friends and family."
Shakuntla Devi
Slough, Berkshire • Damp Proofing & Porch Waterproofing
"Absolutely outstanding work"
"Outstanding work. They resolved a serious rising damp problem in the kitchen that was causing mould, carried out timber preservation spray in the attic due to wood-boring beetles, and completed crack bond repairs on the front of the house. Best price out of 4 companies and received a full afterpack and guarantee."
Fred
Berkshire • Kitchen Rising Damp & Attic Timber Spray
"Competitive quote and 30-year guarantee"
"I contacted the team to carry out damp proofing work. Eddie and his team were very friendly and completed the work very efficiently. It is great that the job comes with a 30-year guarantee too. Highly recommended."
Tasleem Iqbal
Reading, Berkshire • Damp Proofing & Remedial Plastering
"Delivered on time and within budget"
"This company delivered on time and within my budget. Eddie put me at ease regarding all concerns. His team was hard working and friendly. I am very pleased with the end product: damp proofing and supporting joists in the bay window, plus fully sealing my damp coal cellar."
Ilhan Basharan
Guildford, Surrey • Cellar Sealing & Joist Support
"Rectified rising damp next day"
"Excellent quick and efficient service from Eddie and the team. Was able to rectify a rising damp issue with my property the next day after identifying the problem on a Friday, as I needed it completed urgently before new carpets."
Robbie D
Henley-on-Thames • Urgent Rising Damp Rectification
"High standard & thorough diagnosis"
"We have used Above Water on 2 occasions; the damp areas of our double cellar were thoroughly diagnosed, suggesting tanking of the whole wall area. The work was carried out to a high standard, operating laboriously throughout. Highly credible and efficient."
Susan Broad
Wokingham, Berkshire • Double Cellar Tanking & Waterproofing
"Always quick to quote and deliver"
"I've used Above Water a couple of times now - they are always quick to quote, explain everything that will need doing and do exactly what they have promised. Can happily recommend."
Rachel Bray
Bracknell, Berkshire • Damp Proofing & Diagnostic Survey
On-Site Proof
Case Studies → Recent Treatment Projects
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DPC Chemical Injection
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Basement Cavity Membrane
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Dual Submersible Sump Pump
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Dry Rot Timber Repairs
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Tanking Slurry Waterproofing
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Condensation PIV System
Expert Knowledge
Damp Proofing Specialists Answer Your Questions
Key warning signs include horizontal 'tide marks' or brownish stains along lower walls (usually up to 1-1.2 metres from floor level), white fluffy salt deposits (efflorescence) pushing through plaster, crumbling skirting boards, and peeling wallpaper. Rising damp is caused by groundwater travelling upwards through capillary action in porous masonry.
In pre-1900 properties, there was often no original damp proof course (DPC) installed at all. In properties built between 1900 and 1970, original slate or bitumen felt DPCs typically degrade after 25-50 years due to settlement and ground movement. Additionally, raised garden beds, driveways, or internal plaster bridging can bypass the original damp course.
Rising damp originates exclusively from the ground and is drawn up by capillary action, stopping around 1 to 1.5 metres high. Penetrating damp occurs when external rainwater penetrates directly through building defects at any height, such as cracked masonry, porous brickwork, defective render, leaking gutters, missing roof tiles, or compromised window seals.
A DPC is a continuous impermeable barrier across a wall that prevents moisture rising from the ground. In existing properties where the DPC has failed, we inject high-grade silane-siloxane cream into the mortar course. The active silane diffuses through the masonry capillaries, reacting with silica to form a permanent water-repellent silicone barrier that stops rising damp while letting the wall breathe.
Traditional cementitious tanking (Type A) acts as a physical barrier trying to withstand hydrostatic groundwater pressure. If water pressure builds or the substrate develops micro-cracks, leaks can occur. Type C Cavity Drainage uses a high-density studded membrane to depressurise water ingress, directing it silently through perimeter AquaChannels to a dual sump pump station that discharges it safely away.
View All FAQs →
Need urgent advice? 01784 918 841
Diagnostic Inspection
Moisture meter & salt testing
Local Areas We Cover Across Berkshire & Surrey View Towns
We carry out damp surveys, rising damp treatments, and basement waterproofing across:
Is Damp Affecting Your Home?
Don’t let rising damp, condensation or penetrating damp damage your property. Contact Above Water today for a free survey and quotation. Our damp proofing specialists are here to advise on the best treatment, whether you need basement tanking, DPC installation or complete damp proofing solutions across Berkshire and the South East.
Email Us:
info@above-water.co.ukYou can also reach us via WhatsApp, Facebook, or by sending a message directly through our website.
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Above Water Damp Proofing