Skilled Waterproofing in Hornsby
- Waterproofing done right
- Protecting homes and buildings
- Solutions built to withstand moisture
Get A Quick Quote in Hornsby
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Servicing Postcodes
EXPERIENCED WATERPROOFERS
Comprehensive Waterproofing Solutions
Building a home, business or swimming pool and need it waterproofed? Look no further! At Coastwide Waterproofing, our qualified waterproofers provide internal and external waterproofing services for clients throughout Hornsby—from Ginger Meggs Park to the Pacific Motorway.
Ready to get started? Contact our waterproofing contractors on 02 4306 3524 for a free quote. Our rates are highly competitive; our workmanship—there’s no competition.
Avoid Water-Related Damage
Hornsby properties face a mix of weather conditions—from heavy rainfall to damp, leafy surroundings. At Coastwide Waterproofing, we offer professional internal and external waterproofing services designed to protect Hornsby homes and businesses from water-related damage year-round.
Our external waterproofing solutions are ideal for shielding basements, retaining walls, balconies, and rooftops from rain and groundwater. In a suburb with hilly terrain and older homes, this added protection helps prevent issues like foundation erosion, leaks, and mould.
Indoors, our internal waterproofing services keep wet areas like bathrooms, laundries, and kitchens dry and damage-free. We use high-performance membranes and meticulous application techniques to ensure full compliance and long-term performance.
With a commitment to quality and years of industry experience, Coastwide Waterproofing delivers dependable protection tailored to Hornsby’s environment. Whether you’re renovating or building new, we’ll help keep your property watertight, healthy, and structurally sound.
Visit us today or call 02 4306 3524. Our experienced waterproofers proudly serve clients throughout Hornsby and the surrounding areas. Like to see our previous projects? Click here.
WHAT WE DO
Waterproofing Services We Offer in Hornsby
- Internal Waterproofing
- External Waterproofing
- Pool Waterproofing
- Membrane Installation
- Joint Sealing
- Epoxy Coatings
Internal Waterproofing in Hornsby
For all your internal waterproofing needs in Hornsby, our waterproofers have it covered—bathrooms, ensuites, powder rooms, toilets and laundries.
External Waterproofing in Hornsby
Need external waterproofing in Hornsby? We seal flat roof areas, decks, balconies, retaining walls and much more—all using quality products.
Swimming Pools & Water Features in Hornsby
We waterproof a variety of external water-carrying structures—swimming pools, water features, ponds, etc. Servicing Hornsby and surrounding areas.
Brands We Source
- Raimondi
- Mapei
- Construction Technologies Australia
- Bostik
- Laticrete
- Sika
- Sigma
- Aqua Mix
- Lauxes Grates
- Drizoro
And more! Whether you need internal or external waterproofing services, we are your comprehensive solution—all at an affordable price. Speak to our friendly team on 02 4306 3524 to book. We service clients throughout Hornsby and surrounding areas.
At Coastwide Waterproofing, we’re proud to use products from leading brands:
Frequently Asked Questions
Can I do my own waterproofing?
Waterproofing is one of the most common defects reported by property owners. That’s why it’s important that waterproofing is conducted by a licensed professional.
How do you waterproof a commercial building?
Cementitious and liquid membrane waterproofing are the two most common methods of waterproofing a commercial building.
Do you need to waterproof a swimming pool?
Waterproofing a swimming pool is critical to ensure the underlying surface does not incur water damage.
Neighbouring Areas:
- Wahroonga
- Thornleigh
- Mount Colah
- Berowra
- Pennant Hills
- North Turramurra