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Designed for Australian conditions
Engineered to withstand the harshest climates and built to last with premium materials, this product is crafted with care for everyday Australian life.
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40,000+ Australian customers · Australian-owned & operated
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Overview
Bondall Silasec 4l Waterproofing Cement Additive is a concentrated liquid additive designed to create a permanent waterproof barrier on masonry and concrete surfaces.
Bondall Silasec is specifically formulated to waterproof cement repair putty and is suitable for both above and below ground applications. This versatile additive can be used in various environments, including interior and exterior settings, and is safe for use with potable drinking water. It effectively handles hydrostatic pressure from both sides and can be applied even under wet conditions, making it ideal for weeping or damp surfaces, concrete water tanks, septic tanks, and retaining walls.
Features
- Forms a permanent waterproofing barrier on masonry and concrete surfaces.
- Waterproofs cement repair putty for enhanced durability.
- Suitable for both above and below ground applications.
- Applicable in interior and exterior environments.
- Safe for use with potable drinking water.
Specifications
| Dimensions (W x H x D) | 190mm x 250mm x 120mm |
| Weight | 4.4kg |
| Material | Liquid waterproofing additive |
| Model Number | 10159 |
| Volume/Size | 4L |
Bondall Silasec 4l Waterproofing Cement Additive is designed for effective waterproofing solutions.
Specifications
Specifications will vary by product. Please refer to the product description above or contact us before ordering if you need a specific measurement.
Shipping & Returns
Shipping
Orders are dispatched from our Sydney and Melbourne warehouses within 1–2 business days of payment. Delivery times from Sydney:
- NSW & ACT: 2–5 business days
- VIC & QLD: 2–7 business days
- SA: 3–8 business days
- TAS: 4–10 business days
- WA: 5–10 business days
Tracking is provided on dispatch. Remote postcodes may incur additional fees.
30-day change-of-mind returns
We offer a 30-day change-of-mind return on select unopened products in original packaging (excluding health/safety items or bulk purchases). Email us within 30 days of delivery to start a return.
A restocking fee of 7–25% applies, plus return postage (unless approved otherwise). Customer-incurred postage costs are non-refundable without prior approval.
Faulty or damaged on arrival
If your product arrives faulty or damaged, contact our support team with your order number, photos/videos of the fault, and the original packaging. Do not return items without a return authorisation.
Warranty
12-month Australian warranty on this product unless noted otherwise. The warranty covers manufacturing defects under normal use.
The warranty does not cover:
- Damage caused by misuse, incorrect installation, or modification.
- Damage during delivery (claim under shipping policy instead).
- Normal wear and tear.
To claim warranty: contact our support team with your order number, photos/videos of the fault, and a brief description. We will assess the claim and offer a replacement, repair, or refund as appropriate.
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Why Aussies Shop With Auzzi
A registered Australian business with real local support, transparent pricing, and fair returns.
Australian Business
ABN 79 670 758 782. Registered in Australia.
Fast Australia-Wide Dispatch
Ships fast from our Sydney + Melbourne warehouses.
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30-Day Returns
Change-of-mind returns within 30 days.