BUILT TO LAST
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
Sika 310ml White Sikaflex 291 Marine Polyurethane Sealant is a non-sag, 1-component polyurethane sealant designed for marine applications, curing upon exposure to atmospheric moisture.
Sikaflex®-291 is specifically formulated for the marine market, providing excellent adhesion to various substrates. This sealant offers good ageing and weathering resistance, making it suitable for long-term use in marine environments. Its elastic properties allow for movement without compromising the seal, and it can be sanded and over-painted for a seamless finish. With a low odour, it is user-friendly and meets the standards set by the International Maritime Organisation (IMO).
Features
- Bonds well to a variety of substrates
- Good ageing and weathering resistance
- Elastic and non-sag formulation
- Can be sanded and over-painted
- Low odour for user comfort
Specifications
| Dimensions (W x H x D) | 50mm x 225mm x 50mm |
| Weight | 0.31kg |
| Material | Polyurethane |
| Colour | White |
| Model Number | Sikaflex®-291 |
| Volume/Size | 310ml |
Sika 310ml White Sikaflex 291 Marine Polyurethane Sealant is designed for reliable marine sealing applications.
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.
AUTOMATION
Smart automation, set and forget
Time-saving design with intuitive controls. Set it once and let it work for you, freeing up your time for what matters most.
AUSSIE SUPPORT
Backed by genuine Australian support
Local warranty, fast dispatch from Sydney, and Australian customer service Mon-Fri. We are a real business with real people, just a phone call away.
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Total price
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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.
Secure SSL Checkout
Card, PayPal, Apple Pay, Google Pay accepted.
30-Day Returns
Change-of-mind returns within 30 days.