Leak repair and remedial waterproofing

Homeowners, landlords, real estate agents and strata or body corporate managers dealing with leaks and water damage complaints.

A call-out or inspection fee, then a quoted price for the repair. Ongoing maintenance work for strata managers and agents can bring repeat jobs.

• Problem solving and fault finding
• Clear quoting and explaining to customers
• Practical skills with membranes, sealants and coatings

• Licensing rules vary by state and by job value, so check with your state's licensing body before taking jobs
• Public liability insurance, and ask your insurer about cover for leak diagnosis advice
• Leaks often have more than one cause, so be clear in quotes about what you will and will not guarantee
• Working at height on roofs and balconies, so check safe work requirements and fall protection

Startup costs are estimates, typically around $4,000 to $20,000, depending on your equipment, materials and how you set up. Get your own quotes for tools, products and insurance before you commit.

Monthly revenue is an estimate, typically around $3,500 to $15,000, depending on how many jobs you take on and the hours you put in. The estimate assumes at least about 15 hours a week.

Licensing rules vary by state and by job value, so check with your state's licensing body before taking jobs. Also check public liability insurance and safe work requirements, including fall protection, for working at height on roofs and balconies.