
Expert Waterproofing & Bathroom Demolition in Sydney
Protect your home from water damage with reliable waterproofing, bathroom and balcony demolition, and silicone application services
"Honest man and professional waterproofing I’m so happy with this guy. He did my job very well."

Alireza Imani
⭐⭐⭐⭐⭐
"Excellent job. Reliable, friendly and good price. Many thanks!"
ABOUT US
Your local experts in demolition and waterproofing
At Allen Waterproofing, we make it simple to protect your home with expert bathroom, balcony, and waterproofing services. Serving Greater Sydney, we focus on doing the job right the first time so your home stays safe, durable, and watertight.

US IN NUMBERS
35+
Completed Projects
10+
Years Experience
13
Valued Partners
OUR SERVICES
We Offer a Range of Services
WATERPROOFING
Protect your home from leaks, damp, and costly water damage. We provide expert waterproofing for bathrooms, balconies, and other wet areas, ensuring your home stays dry and strong.
SILICONE APPLICATION
Keep your bathroom and home looking fresh and sealed. We apply silicone around showers, sinks, bathtubs, and tiles to prevent leaks and mould, giving your spaces a clean finish.
DEMOLITION
Need to renovate? We safely and efficiently remove old bathrooms and other areas so you can start fresh. From tiles to fixtures, we handle the demolition with care and proper disposal.











