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Selleys

Selleys MarineFlex Sealant White 410g - Sil-X Advanced Polymer, Sandable Waterproof Marine Bond

★★★★★
85 reviews · 188+ sold
$41.10 $61.65 -33% OFF
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Last purchased 18 minutes ago by someone in Brisbane
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Selleys MarineFlex is a 410g white sealant built on Sil-X Advanced Polymer Technology for waterproof sealing and bonding in marine settings. It works above and below the waterline and is sandable for a tidy finish on boats, pools and spas.

  • Size: 410g
  • Colour: White
  • Material: Sil-X Advanced Polymer Technology
  • Volume: 0.575L
  • Sandable: Yes
  • Use: Indoor and outdoor

Use it for sealing and bonding around boats, pools and spas, including jobs that sit below the waterline. As a sandable sealant it can be smoothed back once cured for a neat result.

More about this product

Selleys MarineFlex Sealant 410g White is a Sil-X advanced polymer sealant designed for waterproof sealing and bonding on boats, pools and spas, including below the waterline.

  • Suitable for use above and below the waterline
  • Sil-X Advanced Polymer Technology
  • Sandable for a smooth finish
  • Suitable for indoor and outdoor use

Questions & Answers

How long does Selleys MarineFlex take to dry?

Curing time depends on temperature, humidity and bead thickness; allow ample curing time before exposing the seal to water load.

Can it be used below the waterline?

Yes. It is designed for use above and below the waterline.

Is it suitable for marine use?

Yes. It is a sealant made for marine applications such as boats, pools and spas.

Can it be sanded?

Yes. It is sandable for a smooth finish.

What colour is it?

It is white.

Where can I use it?

It is suitable for both indoor and outdoor applications.

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 ★★★★☆ 81 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
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 Selleys MarineFlex for a couple of months. Selleys 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 Selleys MarineFlex 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.

E
Emma T. 📍 Brisbane QLD
★★★★★
5 days ago
✓ Verified Purchase

Fast delivery — impressed

Love my Selleys MarineFlex. Does the job perfectly and the price was unbeatable.

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