Services / Crack sealing
Crack sealing
Waterproofing that protects pavement structure and extends the life of the road before resurfacing is needed.








What it is
What the crew does on site.
Crack sealing is the process of cleaning and sealing cracks in asphalt pavements to prevent water entering the road structure. When water gets beneath the asphalt surface, it weakens the pavement foundation and accelerates deterioration — sealing cracks early significantly extends pavement life and delays expensive reconstruction works.
Our crews identify, clean and treat pavement cracks using specialised hot-applied sealing materials designed to remain flexible as the pavement expands and contracts.
Why Southern Highway
Family-run since the backyard. Built for network scale.
Two generations of the same family, out of Geelong and Horsham, with the plant and the people to hold a contract that runs the length of Western Victoria.
Meet the crew- Preventative Not reactive repairs Unlike reactive repairs, we focus on preventative maintenance strategies that extend pavement life and reduce future rehabilitation costs.
- Hot-applied Modern sealing equipment Specialised hot-applied materials from modern crack sealing equipment and specially designed trucks.
- Day / night Flexible scheduling Flexible scheduling for day and night works, run by experienced maintenance crews.
- One Supplier, works and controls In-house traffic management, so the works and the controls come from one supplier.

When we're needed
If this is on your desk, it's a call.
Crack sealing gets specified for a handful of reasons. These are the ones that reach us.
- Asphalt begins to show age-related cracking
- Water intrusion becomes a concern
- Councils undertake preventative maintenance programs
- After asphalt patching
What turns up
Plant, materials and the standard.
Everything on this list is owned and run by us — no hired plant, no subcontracted crew.
- Plant
- Bitumen applicatorHeated bitumen kettlesCrack sealing equipment and specially designed trucks
- Materials
- Hot-applied sealing materials designed to stay flexible as the pavement expands and contracts

Accreditation and assurance
Covered, checked, on the record.
The cover and standards behind every job. Certificates of currency and the capability statement are available on request — ask when you enquire and they come back with the reply. What we can send is listed on the capability page.
- Standard AS 1742 Work checked against the Australian standard for road markings and traffic control.
- Liability $20M General and products liability insurance, with certificates of currency available.
- People WorkCover WorkCover insurance across the whole crew.
- Fleet Insured Fleet motor vehicle insurance across 70+ items of plant.
- Procurement Fair Jobs Code Pre-assessment held for Victorian government work.
Enquire
Get a crack sealing quote.
Scope, timeframe and whether permits are needed — the three things we ask on every crack sealing call.
Or call 03 5245 7662 — reception is a person, in Geelong.
Where we work
Geelong to the South Australian Border and Beyond!
The workshop is in Geelong and there are crews out of Horsham, so the west of the state is serviced from inside it rather than driven to from Melbourne.
Key coverage areas
- Geelong
- Surf Coast
- Ballarat
- Bendigo
- Horsham
- Western Victoria
- North-west Victoria to the South Australian border and into SA
Department of Transport and Planning areas
Loddon–Mallee · Grampians · Barwon South West.
