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Providing External Waterproofing on the Central Coast

Fixed Prices

No Service Call


Reliable Service

Fully Licensed

New South Wales

High Quality


External Wet Area Specialists

Finished construction outside and need it waterproofed? At Coastwide Waterproofing, we provide complete external waterproofing services for homes throughout the Central Coast and Northern Sydney, including Woy Woy, Killarney Vale, Terrigal, Hornsby and Narrabeen. Our experienced waterproofers use liquid membranes and PVC sheet membranes from leading brands to ensure a quality and weather-resistant finish. All waterproofing to external areas is completed in accordance with Australian Standard 4654-2012 parts 1 and 2 and the Building Code of Australia.

Talk to our friendly team today on (02) 4306 3524 for a free quote.

Waterproofing on the Flat Roof — Internal Waterproofing in Central Coast, NSW

What We Waterproof

At Coastwide Waterproofing, we waterproof the following external areas:

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Flat roof areas

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External door openings

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Planter boxes

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Retaining walls

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Our team provides waterproofing for new builds and renovations. Speak to us today on (02) 4306 3524 to book. Need waterproofing supplies? Our trade warehouse, Coastwide Waterproofing Supplies, is open Monday to Friday in West Gosford.

We also provide internal waterproofing services.