Commercial Waterproofing

Unbeatable Commercial Waterproofing Services in NSW

Internal and External Wet Area Waterproofing

Perfect Seal Australia is the expert to call for all your waterproofing requirements. We have decades of experience in commercial waterproofing and can take on projects of any size. Our qualified professionals can waterproof anything from water treatments plants, retainer walls, planter boxes and bunded areas to balconies, rooftops, lift pits, tanks and bathrooms. We are licensed to work on heights over 11 metres and in confined spaces making us the perfect choice. We offer our assistance to local builders as well.

Police Checked and Verified to Work in Aged Care Centres, Hospitals and Schools

Liquid Membranes

Waterproofing your internal wet areas is essential for preventing water damage to your property. We specialize in providing professional waterproofing solutions to  any waterproofing requirement. All waterproofing work is completed to Australian Standards and The Building Code Of Australia.  We work with builders to deliver the best waterproofing solutions.

Sheet Membrane Systems

Sheet membrane systems are commonly used for roof areas, retainer walls, lift pits and planter boxes. We are experienced with the following sheet membrane systems:


  • Torch Applied
  • Peel n’ Stick
  • Multi-Layer

Liquid Applied

Torch-On (Blowtorch Applied)

Sheet Membranes

Roof Membranes

Family-Owned and Operated

Joint Sealing/Caulking

We carry out joint sealing with high-quality sealants. Our joint sealing services include:

Type of Joints

  • Brick Joints
  • Floor Joints
  • Block Joints
  • Pre-Cast Panels
  • Tile Joints


Types of Sealants

  • Silicone
  • Polyurethane
  • Acrylic
  • Fire-Rated

For highly effective and cost-efficient commercial waterproofing solutions,

Call us on 0405 127 794.

Get in touch with us for all your waterproofing and pool re-surfacing needs. We are available 24/7!

Contact Us

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