Who We Help



Providing assistance to:

  • Architectural firms
  • Engineering practices
  • Quantity Surveyors
  • Project Management Teams


  • Strata Manager
  • Owners Corporation
  • Consulting Services

Commercial & Industrial

  • Reporting and Support Functions
  • Water, Damp Penetration and Stormwater Management Problems



Legal Firms

  • Consulting Services
  • Compliance Issues
  • Technical Disputes

What We Can Help with:

The presence of water or significant moisture without a known source or reason for its occurrence is a cause for concern

  • Water Leaks / Water Penetration – Water entry into buildings can be a serious problem with long term expensive consequences.
  • Roof, Roof Decks – Roof systems, Concrete Roof, Roof level terraces, flat and skillion roofs, full professional waterproofing and drainage strategies.
  • Roof Plumbing – Roof Plumbing re-design, Box gutters, guttering and Down pipes.
  • Damp Problems Rising Damp, damp living environments, condensation, Mould and and high relative humidity. Ventilation, repair of water damaged walls, water under house.
  • Salt Control /salt attack – Barriers designed to deal with efflorescence.
  • Tanking – Negative and Positive
  • On Site Stormwater Management and Drainage – drainage design experts in Sydney
  • Basements – Flooding
  • Movement of moisture up through floor slabs REMOVE PLEASE repeated below
  • Balcony Deck Waterproofing
  • Efflorescence – white formations on concrete and brickwork (soluble salt crystallisation) Salt Attack (expansion and degradation of brickwork and concrete).
  • Planter Box Waterproofing
  • Slab Edge and Concrete Elements Generally- Spalling repairs, Corrosion control, reinforcement repairs or replacement, Repairs to damaged concrete (concrete that has corrupted, broken out, delaminated or exhibits salt deposition, staining or heavy pitting)
  • Balustrade Repairs or Replacement
  • Doors, Door Frame Assemblies, Windows and all relevant flashing Storm Moulds, Sealant Systems
  • Exterior Façade Refurbishment and Waterproofing
  • We diagnose water entry issues and Damp Problems!
  • Movement of moisture up through floor slabs and through wall below ground levels.


BWC Building Professionals specialises in remedial waterproofing and damp proofing of buildings and rectification of related building defects across Northern Sydney and the greater Sydney area.

We are licensed Builders, very experienced and highly skilled in solving those difficult to diagnose water entry and damp penetration problems. No matter where your waterproofing problem stems from, the basement, roof, planter box, or balcony deck, our experienced team have you covered.

We are the Residential remedial waterproofing Specialists resolving those difficult to diagnose problems.


BWC Building Professionals offers an extensive range of professional waterproofing solutions to the Commercial, residential and industrial sector. We have a vast experience dealing with protracted and ongoing water entry issues. We can provide a service that deals with any water drainage issue in Sydney.

We diagnose Commercial & Industrial Water entry issues & Damp Problems!

We offer Consulting Services as well as Contracting.


Specialists in Solutions and Repairs to Water Entry and Damp Problems