Welcome to United Waterproofing, the leading waterproofing contractors in Sydney with over decades of experience in the waterproofing industry. We’re here to make a splash and keep your property safe and dry! At United Waterproofing, we’re not your average waterproofing company. We’re a team of highly-skilled waterproofers who specialize in applying waterproofing membranes to all internal and external wet areas. Whether you’re a homeowner, commercial property owner, property manager, or builder, we’ve got you covered with our professional waterproofing services in Sydney.