Rising damp is one of Sydney's most damaging — and most misunderstood — property problems. If you're seeing blistering paint, mould, mildew or condensation on your walls, rising damp is likely the cause. We specialise in rising damp treatment, subfloor ventilation and mould remediation across all Sydney suburbs — with free inspections, upfront pricing and a lifetime guarantee.
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Complete rising damp, mould and ventilation solutions for Sydney homes
Chemical DPC injection and membrane systems. The permanent fix for rising damp in Sydney properties.
Learn more →Eliminate moisture, musty odours and condensation under your home with our ventilation systems.
Learn more →Mould, mildew and condensation are moisture problems, not cleaning problems. We fix the source and prevent it returning.
Learn more →Advanced moisture assessment. Know exactly what's causing your damp before spending a cent.
Learn more →Tanking, membranes and drainage for basements, retaining walls and below-ground structures.
Learn more →Salt-resistant render and replastering after treatment — restored walls that last.
Learn more →What makes Rising Damp Sydney different
Simple, transparent and stress-free from first call to finished job
We visit, assess and diagnose the damp at no cost to you.
Clear upfront pricing. You approve before any work starts.
Our licensed team completes the job on time and on budget.
Lifetime workmanship guarantee. Done when you're satisfied.
Real rising damp and mould jobs from homes across Sydney
"Older federation home with serious damp issues. Was worried about the original brickwork. Rising Damp Waterproofing were careful, experienced with heritage homes and the result was perfect."
"Our basement had been getting worse every year. Rising Damp Waterproofing waterproofed the whole thing and it's been bone dry through two winters now. Best money we've spent on this house!"
"The correspondence from the company and their staff was very helpful! The job was done in a timely fashion and any additional areas that needed attention were rectified."
Tell us what you're dealing with and get a same-day assessment — no obligation
The more you tell us, the better. A few details about what you're seeing let our specialists give you a faster, more accurate quote — often before we've even visited.
No obligation — we'll review and respond same day
Our specialists will review and get back to you same day.
Urgent? Call 02 9158 9901
Everything Sydney homeowners ask — click to expand
Free advice from Sydney's damp proofing specialists
Rising Damp Sydney covers every corner of greater Sydney
Free inspection. Upfront price. Lifetime guarantee. Sydney-wide.
From the Inner West to the Northern Beaches, the Eastern Suburbs to Penrith and the Blue Mountains — Rising Damp Sydney treats rising damp, mould, subfloor moisture and waterproofing problems right across the greater Sydney region. Free inspection, fixed price, same team from first call to final coat.
Sydney's trusted rising damp, mould & subfloor specialists — licensed, insured and lifetime guaranteed.