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Professional Waterproofing on the Central Coast

Professional Waterproofing on the Central Coast

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Fixed Prices

No Service Call


Reliable Service

Fully Licensed

New South Wales

High Quality


Comprehensive Waterproofing Solutions

In the process of building a home or business, and it’s time for the waterproofing? Welcome! At Coastwide Waterproofing, we provide internal and external waterproofing services for residential and commercial clients throughout the Central Coast—from Norah Head Lighthouse to Ku-ring-gai Chase National Park and everywhere in-between. Whether you need the bathroom, laundry, deck, swimming pool or otherwise waterproofed, we have the team, tools and leading products to ensure a long-lasting (and watertight) finish.

Speak to our Central Coast waterproofing contractors today on (02) 4306 3524 to book a free quote.

Patio Waterproofing — Internal Waterproofing in Central Coast, NSW

Our Product Range

Our trade warehouse, Coastwide Waterproofing Supplies, is home to a broad selection of waterproofing and tiling materials, including:

Waterproofing Products — Internal Waterproofing in Central Coast, NSW

And much more! We stock quality products from leading brands to ensure a long-lasting result. Visit our store today or call (02) 4306 3524 for product enquiries. Our friendly team are on-hand to help you find the right product for your specific needs.

Products & Supplies

We stock a huge range of waterproofing products at our trade warehouse, Coastwide Waterproofing Supplies—located on the Central Coast.

Internal Waterproofing

Our qualified waterproofers provide internal waterproofing services for homes and businesses throughout the Central Coast and surrounds.

External Waterproofing

Flat roof areas, decks, balconies—we provide comprehensive external waterproofing services for clients throughout the Central Coast and surrounding areas.

Swimming Pools & Water Features

We waterproof a variety of water-carrying structures for Central Coast clients, including pools, water features, ponds and much more.


Our waterproofers provide internal and external waterproofing services for commercial clients throughout the Central Coast.

Brands We Source

At Coastwide Waterproofing, we use and supply waterproofing supplies from the following brands:

And more! Simply put, quality brands equal quality results. Ready to get started? Call us today on (02) 4306 3524 to learn more or book a service. Whether you need supply and installation or supply only, we’ve got it covered—all at an affordable price.

Like to see some of our previous work? Click here.

Frequently Asked Questions

Waterproofing is the process of applying a material to an object or structure in order to make it waterproof.

The purpose of waterproofing is to prevent water from penetrating your home or business.

On average, basic waterproofing membranes should last at least ten years.

Waterproofing should be applied during the construction stage in order to ensure moisture is controlled from the get-go.