H2O Supplies

Flood Test Balloon – Drain Plug for Leak Testing

$25.00 AUD
$25.00 AUD
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The Flood Test Balloon is a heavy-duty inflatable drain plug designed for flood testing waterproofing membranes, bathrooms, balconies and pipework prior to handover. Manufactured from durable rubber and fitted with an air valve and secure tie-off ring, it expands to seal internal pipe openings, allowing accurate water retention during leak testing procedures. Suitable for residential and commercial projects, this tool provides a fast, reliable solution for blocking drains during membrane inspections and plumbing pressure checks.

• Heavy-duty inflatable rubber drain plug
• Designed for flood testing wet areas and membranes
• Expands to create a secure internal pipe seal
• Fitted with air inflation valve
• Tie-off ring to prevent loss down pipe
• Reusable and durable construction
• Suitable for residential and commercial applications
• Enables accurate water retention during testing

• Flood testing bathrooms prior to tiling
• Balcony and podium membrane inspections
• Shower base waterproofing verification
• Drainage pipe blocking during pressure testing
• Temporary pipe isolation during construction
• Plumbing leak detection

• Material heavy-duty rubber
• Inflation type manual air pump
• Suitable for internal pipe sealing
• Designed for flood testing applications
• Available sizes 50mm 80mm 100mm
• 80mm and 100mm suited for 80–100mm pipes
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Queensland’s leading waterproofing supply warehouse, trusted by waterproofers, tilers, and builders. We back our range with industry experience and product knowledge you can rely on.

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Stocking high-performance membranes, sealants, primers, and tools — carefully selected for proven results on commercial and residential projects.

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We prioritise products with low VOC content, cleaner application, and safer handling to help you maintain a compliant and environmentally conscious job site.