When other work may be needed
- A roof repair alone may not resolve an indoor humidity or assembly problem.
- Ventilation changes need to suit the building rather than a standard product package.
- Insulation, electrical or mechanical ventilation work may require other professionals.
Before you request a quote
Provide your suburb, roof type if known, when the issue occurs, previous repairs and photographs taken safely. Ask for the findings and an explained written scope. Licence requirements depend on the work; verify the appropriate contractor with Service NSW.
Prepare a useful request for quotation
For this service, these details help define the assessment:
- Whether moisture occurs on dry days or only after rain.
- Affected rooms and when bathrooms or other exhausts run.
- Insulation, ventilation or exhaust changes made recently.
What to ask the quote to explain
Ask what evidence distinguishes rain entry from condensation and whether exhaust or electrical work needs another qualified trade.
Use the RFQ and comparison checklist →Do not climb onto a wet or damaged roof. Keep clear of sagging ceilings and electrical hazards. For a life-threatening emergency call 000; for NSW SES storm or flood emergency assistance call 132 500.
Common homeowner questions
Can condensation look like a roof leak?
Yes. Moisture may form on cool roof surfaces and later become visible indoors. Note whether it occurs without rain and where it first appears. An assessment should consider both rain entry and indoor moisture before proposing work.
Will adding a roof vent fix condensation?
Not necessarily. Ventilation is only one part of the roof assembly. Indoor moisture, exhaust routes, insulation and membranes also matter. The proposed change should be based on the assessed building conditions.
Should bathroom exhaust be checked when the roof space is damp?
Yes, the exhaust route is relevant to a moisture investigation. Ask the appropriate professional to assess it alongside the roof assembly. Do not enter an unsafe roof space or alter electrical equipment yourself.
Related roof services
Useful official information
Official homeowner and safety information:
Service NSW: check a builder or tradesperson licenceNSW SES: storm and flood emergency assistance
SafeWork NSW: asbestos safety