Our
Services
Bathrooms & Showers
Complete bathroom membrane installation for new builds and renovations, including showers, baths, laundries, and compliance documentation for council or certifier.
Balconies &Terraces
Durable balcony and terrace waterproofing systems that prevent leaks, protect tiles, and screeds, and handle Sydney’s harsh coastal weather conditions.
Basements & Below-Ground
Internal and external basement sealing, negative-side waterproofing, and drainage solutions to stop water ingress and protect concrete and habitable rooms.
Our Classes
about us
About
Seal Build delivers certified waterproofing for Sydney homes, apartments, and commercial projects. We combine licensed installers, strict Australian Standards compliance, and practical on-site training for builders and owner‑builders.