Waterproofing Gosford
- Commercial and Domestic Waterproofing
- Concrete and Joint Repair Services
- Up to 20-Year Workmanship Warranty
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Gosford Waterproofing
If you're in Gosford and dealing with damp walls or moisture-prone balconies, Consider it Sealed Waterproofing can help. We offer reliable waterproofing services that protect your home or commercial space from water damage, mould and costly repairs. With years of hands-on experience, we’ve worked on all types of properties in the Gosford region—bringing the right tools, techniques and materials to every job. Our fully licensed team knows how to get the job done properly, without cutting corners or leaving behind mess.
We specialise in internal and external waterproofing, including wet area membranes, joint sealing, epoxy flooring and cracked concrete repairs. We also seal leaking showers without removing tiles, helping you avoid the time and cost of a full bathroom renovation. Property owners in Gosford turn to us for our honest advice, prompt service and commitment to quality.
Whether you're building, renovating or repairing, call 0423 351 941 today to get started with a free quote.
Waterproofing That Works
Coastal living can come with its challenges, especially when it comes to keeping moisture out. In Gosford, the mix of sea air and seasonal weather makes waterproofing a smart investment for homeowners and businesses alike. Our services are designed to deal with these conditions—whether you’re trying to prevent leaks, protect concrete slabs, or safeguard your bathroom from hidden moisture. We inspect every area thoroughly and choose the right products to suit your property’s needs.

Our methods include applying liquid membranes, sealing expansion joints, and injecting epoxy resins into cracks to restore structural strength. These aren't one-size-fits-all fixes—we customise each service to your space, ensuring a watertight finish that lasts. You’ll work with friendly, professional technicians who take pride in their work and respect your time. From first quote to final clean-up, our goal is to deliver results you can count on. If you want peace of mind and protection against water damage, get in touch today.
Frequently Asked Questions
Is waterproofing necessary for all bathrooms?
Yes. Bathrooms are one of the most moisture-exposed areas in any home, and without waterproofing, water can seep into floors and walls. This can lead to damage like timber rot, mould growth, and expensive repairs down the line. Waterproofing forms a barrier that keeps water contained within wet areas such as showers, baths and basins. Even tiled surfaces need waterproofing underneath to protect the structure of the home.
How is a balcony waterproofed?
Balcony waterproofing involves applying a durable, flexible membrane over the substrate to prevent water from penetrating into the layers below. The process usually includes surface preparation, priming, and applying one or more layers of a waterproof product. The membrane must be compatible with tiling or other finishes, and edges and junctions are sealed carefully. Drainage is also considered to ensure water doesn’t pool or get trapped.
Can waterproofing help with rising damp?
Yes. Waterproofing is one of the most effective ways to manage rising damp, especially in older homes or buildings without proper moisture barriers. The process may involve applying waterproof coatings to internal walls, injecting damp-proof barriers, or sealing external surfaces to prevent water from travelling up through brick or concrete. Managing drainage and ventilation is also important in combination with waterproofing to stop rising damp at the source.
