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Waterproofing

Secure your project with industry-leading protection from ProTrade Warehouse. We supply professional-grade systems from trusted brands like Sika and Crommelin, designed to protect structures from moisture damage and ensure long-term durability. Our range covers all major applications, including under tiles waterproofing, uv stable waterproofing, negative waterproofing, bathroom waterproofing, balcony waterproofing, patios waterproofing & more.

Selecting the correct system depends on your application. Consider factors such as internal vs external use, UV exposure, substrate type, and expected traffic. If you're unsure, please contact Crommelin team or Sika team for technical advice.

The Full Range – Just a Quote Away

If your project specifications require a specialty system, high-volume quantities, or a specific Sikalastic or Crommelin membrane not listed here, we can source it for you immediately.

Trade Pricing & Bulk Quotes: We prioritize cost-effective solutions for contractors and builders. Request a Quote or contact our team for a comprehensive project estimate.

Sikalastic 1K Flexible Waterproofing & Concrete Protection Mortar - ProTrade Warehouse
Sikalastic 1K Flexible Waterproofing & Concrete Protection Mortar - ProTrade Warehouse Save up to $40.00 Save $0.00

Sikalastic 1K Flexible Waterproofing Mortar

$165.00 - $220.00
$165.00 - $220.00
$165.00
$125.00 - $210.00 inc. GST
$125.00 - $210.00 inc. GST
$125.00 inc. GST

Sikalastic-1K is a one-component, crack-bridging, fibre-reinforced mortar based on cement modified with special alkali-resistant polymers. ProTrade...

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$165.00 - $220.00
$165.00 - $220.00
$165.00
$125.00 - $210.00 inc. GST
$125.00 - $210.00 inc. GST
$125.00 inc. GST
Save up to $40.00 Save $0.00
Sikalastic 488 AU Waterproofing Membrane - 15ltr Light Grey Save $40.00 Save $0.00

Sikalastic 488 AU Waterproofing Membrane - 15ltr Light Grey

$330.00
$330.00 - $330.00
$330.00
$290.00 inc. GST
$290.00 - $290.00 inc. GST
$290.00 inc. GST

Sikalastic-488 High Performance Waterproofing Membrane Sikalastic-488 is a high-performance polyurethane waterproofing membrane designed for balcon...

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$330.00
$330.00 - $330.00
$330.00
$290.00 inc. GST
$290.00 - $290.00 inc. GST
$290.00 inc. GST
Save $40.00 Save $0.00
Sika Sikalastic 701 Waterproofing Polyurethane Top Coat 12.5KG KIT - ProTrade Warehouse

Sika Sikalastic 701 Waterproofing Polyurethane Top Coat 12.5KG KIT

$855.00 - $925.00
$855.00 - $925.00 inc. GST
$855.00 - $925.00 inc. GST
$855.00 inc. GST

Sikalastic 701 is a 2-part, polyurethane hybrid, gloss finish top coat for Sika Liquid Applied Membrane waterproofing systems. Sikalastic 701 is co...

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$855.00 - $925.00
$855.00 - $925.00 inc. GST
$855.00 - $925.00 inc. GST
$855.00 inc. GST
Crommelin Cemproof Flex 1P Waterproofing Membrane - ProTrade Warehouse

Crommelin Cemproof Flex 1P Waterproofing Membrane

$125.00 - $165.00
$125.00 - $165.00 inc. GST
$125.00 - $165.00 inc. GST
$125.00 inc. GST

Flexible Cementitious Waterproofing and Long-Lasting Protection for Walls, Basements & Pools Cemproof Flex 1P is a high-performance cementitiou...

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$125.00 - $165.00
$125.00 - $165.00 inc. GST
$125.00 - $165.00 inc. GST
$125.00 inc. GST
Crommelin Membryl Water Based Waterproofing Membrane - 15L - ProTrade Warehouse

Crommelin Membryl Water Based Waterproofing Membrane - 15L

$208.00 - $208.00
$208.00 inc. GST
$208.00 - $208.00 inc. GST
$208.00 inc. GST

Crommelin Membryl Waterproofing Membrane Protect balconies, decks, roofs, and exterior walls with Crommelin Membryl Waterproofing Membrane. This p...

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$208.00 - $208.00
$208.00 inc. GST
$208.00 - $208.00 inc. GST
$208.00 inc. GST
Crommelin Wetite Waterproofing Membrane - 15L Green - ProTrade Warehouse

Crommelin Wetite Waterproofing Membrane - 15L Green

$194.85 - $194.85
$194.85 inc. GST
$194.85 - $194.85 inc. GST
$194.85 inc. GST

Crommelin Wetite Waterproofing Membrane for Wet Areas Looking for a reliable and flexible waterproofing solution for wet areas? Crommelin Wetite is...

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$194.85 - $194.85
$194.85 inc. GST
$194.85 - $194.85 inc. GST
$194.85 inc. GST
Crommelin Wetite Rapid Waterproofing Membrane - ProTrade Warehouse

Crommelin Wetite Rapid Fast Drying Waterproofing Membrane

$194.85 - $194.85
$194.85 inc. GST
$194.85 - $194.85 inc. GST
$194.85 inc. GST

Crommelin Wetite Rapid Fast Drying Waterproofing Membrane Crommelin Wetite Rapid is a high-performance fast drying waterproofing membrane designed ...

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$194.85 - $194.85
$194.85 inc. GST
$194.85 - $194.85 inc. GST
$194.85 inc. GST
Crommelin Elastoseal TR Waterproofing Membrane 15l Grey - ProTrade Warehouse

Crommelin Elastoseal TR Waterproofing Membrane 15l Grey

$194.55 - $194.55
$194.55 inc. GST
$194.55 - $194.55 inc. GST
$194.55 inc. GST

Waterproofing Membrane For Balconies, Gutters, Walls, Podiums & More Crommelin Elastoseal TR is a synthetic rubber-based waterproofing membrane...

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$194.55 - $194.55
$194.55 inc. GST
$194.55 - $194.55 inc. GST
$194.55 inc. GST
Crommelin Cemproof Ultra Flex 300 Cementitious Waterproofing 20Kg Grey - ProTrade Warehouse

Crommelin Cemproof Ultra Flex 300 Cementitious Waterproofing 20Kg Grey

$156.00 - $156.00
$156.00 inc. GST
$156.00 - $156.00 inc. GST
$156.00 inc. GST

Crommelin Cemproof Ultra Flex300  Cementitious Waterproofing Cemproof Ultra Flex-300 is a high-performance, two-part cementitious waterproofing mem...

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$156.00 - $156.00
$156.00 inc. GST
$156.00 - $156.00 inc. GST
$156.00 inc. GST
Sikatile 110 Secure proof class iii waterproofing membrane

SikaTile 110 Secure Proof 15L Grey Waterproofing Membrane

$190.00 - $190.00
$190.00 inc. GST
$190.00 - $190.00 inc. GST
$190.00 inc. GST

SikaTile 110 Secure Proof 15L – Premium Class III Waterproofing Membrane SikaTile 110 Secure Proof is a premium performance, flexible Class III, fi...

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$190.00 - $190.00
$190.00 inc. GST
$190.00 - $190.00 inc. GST
$190.00 inc. GST

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