BWC Building Professionals

With over 35 years of direct experience in the waterproofing industry, BWC Building Professionals offer significant value to our customers serviced in Sydney, Central Coast to Newcastle.

Skilled Building Contractors

As both experienced and skilled Building Contractors and Registered and Accredited Building Consultants – specialising in waterproofing and waterproofing related building matters of all types – we are able, regardless of the problems you may be experiencing with your building or surrounding water sources, to successfully identify the cause of the problem, design the solution and perform the required rectification works.

An essential issue in ‘effective’ waterproofing is the well-judged selection of the materials and methodology needed to achieve the right and lasting outcome. A key element is professional diagnosis. Armed with this we can ensure that the right course of action is taken. And, our duty of care to all our clients inter alia includes ensuring our work meets all requirements of the Building Code of Australia, relevant Australian Standards and acceptable standards of workmanship and building quality. Speak to us and have peace of mind that you have left it to the experts. Water Leaks and Damp Problems are our specialty..


Water Leaks / Penetration – Water entry into buildings can be a serious problem with long term expensive consequences | Roofs, Roof Decks – Roof systems, Concrete Roofs, Roof level terraces, flat and skillion roofs, full professional WATERPROOFING and drainage strategies | Roof Plumbing, Roof Plumbing re-design, Box gutters, guttering and Downpipes

Salt Control / Barriers | Efflorescence – white formations on concrete and brickwork (soluble salt crystallisation) |  Salt Attack (expansion and degradation of brickwork and concrete) | On Site Stormwater Management and Drainage | Basements – Flooding | Movement of moisture up through floor slabs and through wall below ground levels | Balcony Deck Waterproofing | Tanking, Negative and Positive Tanking | 

Planter Box Waterproofing | Slab Edge and Concrete Elements – 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 flashings Storm Moulds, Sealant Systems | Exterior Façade Refurbishment and Waterproofing

Who We Help



Commercial & Industrial


Legal Firms

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Specialists in Solutions and Repairs to Water Entry and Damp Problems