Background

The owner of this Network RV caravan contacted AllBrand Caravan Services after discovering internal water damage in several areas of the van. The damage showed up as bubbling and deterioration of internal plywood around the ceiling, cupboards, and windows—often a sign of ongoing water ingress.

The customer initially submitted a caravan insurance claim and provided photos to both the insurer and our team. After assessment, it was explained that because there was no accidental impact damage and the issue was caused by seal failure, the repairs were unlikely to be covered by insurance.

To get clear answers and protect the caravan from further damage, the customer approved a professional water leak inspection.

Pressure Test Machine D5xkOlY2
We install the water pressure testing machine inside the van and pressurize it.
We spray a special solution on the exterior of the van.Large bubbles indicate water leaks. We identified numerous areas on this van.
We spray a special solution on the exterior of the van. Large bubbles indicate water leaks. We identified numerous areas on this van.

Caravan Water Leak Detection & Assessment

Our technicians completed a Free Visual Inspection, followed by a water pressure leak test using our specialised caravan water pressure testing machine—the most accurate method for locating hidden leaks.

During the inspection, we identified internal water damage in multiple areas, including:

    • Ceiling plywood on the doorside near the air conditioning unit
    • Two overhead cupboards beside the air conditioner, affecting both ceiling and back wall areas
    • Plywood under overhead cupboards and around the dinette window
    • Plywood in front of the roadside bedroom window
Other Findings Included:
  • Damaged plywood at the bottom left section of the roadside window
  • Water-damaged ceiling ply near the air conditioning unit and middle overhead cupboards
  • Damaged ply along the top of the doorside bedside window
  • Silicone splitting on external corner moulds and H-moulds
  • Splitting window sealant directly above areas of internal ply damage
The Pressure Test Also Confirmed:

No leaks around the solar panels

Significant leakage around the air conditioning unit, identifying it as a major entry point

Repair Plan

Testing confirmed that the internal water damage was caused by multiple failed seals, not a single leak source. Sealant failure around the air conditioning unit, windows, corner moulds, and H-moulds allowed water to enter and spread internally.

A clear, step-by-step repair plan was developed to:

  • Stop further water ingress
  • Allow accurate quoting for internal ply replacement
  • Prevent future leaks by addressing all compromised seals

Recommended Repairs

Resealing the underside of H-moulds across the checker plate

Resealing the air conditioning unit

Resealing the roadside front window

Resealing corner moulds where sealant was splitting

All recommendations were fully supported with photos and test results.

Outcome

Multiple caravan water leaks were accurately identified using pressure testing

The primary causes of internal water damage were clearly confirmed

The customer received a clear repair plan and next steps

The caravan was collected the same day, meeting the customer’s timeframe

The customer left with confidence and documented guidance to protect their caravan

Key Takeaways

Internal caravan water damage often comes from multiple seal failures

Water pressure testing is essential for accurate leak
detection

Clear communication helps customers make informed decisions

Insurance may not cover leaks caused by seal
deterioration

Early diagnosis reduces repair costs and further
damage

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Concerned about hidden water damage or a possible insurance-related caravan leak? AllBrand Caravan Services specialises in caravan water leak detection and pressure testing in Brisbane.