Sika Sikaflex 291 310ml White Marine Polyurethane Sealant Adhesive

★★★★
85 reviews · 708+ sold
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Description & Specs

Sika Sikaflex-291 in white is a 310ml non-sag, one-component polyurethane sealant formulated for the marine market, curing on exposure to atmospheric moisture.

  • Product: Sikaflex-291
  • Colour: White
  • Size: 310ml
  • Type: 1-component polyurethane sealant

This marine sealant adheres to various substrates and offers good ageing and weathering resistance for use in demanding marine environments. It can be sanded and over-painted, and its elastic properties allow movement without breaking the seal. Because Sikaflex 291 is a polyurethane sealant that cures with moisture, allow adequate cure time before exposing the joint to heavy load.

More about this product

Sika Sikaflex-291 in white is a non-sag, 1-component polyurethane sealant designed for marine applications, curing upon exposure to atmospheric moisture.

  • Specifically formulated for the marine market
  • Good ageing and weathering resistance
  • Can be sanded and over-painted once cured
  • Elastic properties allow movement without compromising the seal
  • 310ml cartridge in white

Questions & Answers

What colour and size is this sealant?

It is white and supplied in a 310ml cartridge.

Is Sikaflex 291 suitable for marine use?

Yes, Sikaflex-291 is specifically formulated for the marine market.

Is Sikaflex 291 a polyurethane sealant?

Yes, it is a one-component polyurethane sealant.

How does it cure?

It cures on exposure to atmospheric moisture.

Can it be sanded or painted?

Yes, it can be sanded and over-painted once cured.

Can you apply Sikaflex over existing Sikaflex?

Polyurethane sealants like this can generally be applied over cured Sikaflex; ensure the surface is clean and sound first.

Shipping & Returns

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 109 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
T
Tanya B. 📍 Mildura VIC
4 months ago
✓ Verified Purchase

Good buy — fast shipping

Really good value — compared it to similar products at twice the price and there is very little difference in quality. Fast shipping and arrived in perfect condition.

K
Kyle M. 📍 Gladstone QLD
5 months ago
✓ Verified Purchase

Just as described

Works perfectly. Fast delivery. Would recommend to anyone.

P
Priya S. 📍 Mandurah WA
5 months ago
✓ Verified Purchase

Satisfied customer

Had been looking at the Sika Sikaflex for a couple of months. SuperSaverAU build quality is obvious as soon as you open the box — feels solid and well finished. Easy to set up and works exactly as described. Delivery to Perth in only 3 days which is impressive. Will be buying more from SuperSaver AU for sure.

E
Ethan W. 📍 Hervey Bay QLD
5 months ago
✓ Verified Purchase

Exceptional — 5 stars

Really happy with this. Price was the best I found online and delivery was faster than expected. Product is well made and does exactly what it should. Zero complaints — will buy from SuperSaver AU again.

S
Sarah M. 📍 Sydney NSW
Yesterday
✓ Verified Purchase

Absolutely love it!

Had the Sika Sikaflex on my wishlist for a few weeks and finally pulled the trigger. Arrived in 2 days which was a nice surprise. Build quality is solid and exactly what the photos showed. My partner uses it every day now and has already asked me to grab another one as a gift.

J
James W. 📍 Melbourne VIC
3 days ago
✓ Verified Purchase

Best buy of the year

Ordered Thursday and had it by Saturday. Packaging was really good — nothing moved around. Works exactly as expected and the price was well below what I saw in stores.