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Swindon Composite Supplies Marine White Gelcoat Review: Restores brilliant gloss white finishes

Marine White Gelcoat 1kg - Lloyds Approved - Polyester - MEKP Hardener inc
4.7
[Brilliant Gloss Finish]  Produces brilliant white gloss ideal for boat hulls and high-quality fibreglass mouldings.
[Fibreglass Mould Compatible]  Formulated specifically for use with fibreglass moulds delivering smooth, consistent results.
[MEKP Hardener Included]  Supplied with MEKP hardener; mix precisely at the advised 2% ratio for curing.
[Tacky Cure for Bonding]  Cures to a tacky surface—ideal for laminating fibreglass matting and ensuring strong adhesion.
[Lloyd's Approval]  Lloyd's approved for marine-grade confidence and proven quality assurance.
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Gelcoat for marine and fibreglass use that restores a brilliant gloss white surface. Boat owners and workshop professionals expect a factory-smooth finish suitable for moulded parts and repairs. Will Swindon Composite Supplies Marine White Gelcoat deliver the gloss, cure performance and durability users praise?

⚡ At a Glance
  • Finish Quality: Brilliant gloss white surface suitable for visible moulded parts and hull sections
  • Best for: Restoring fibreglass moulds, boat hulls and visible repairs needing a high-gloss finish
  • Not ideal for: Repairs requiring an immediately non-tacky surface without covering or finishing with a topcoat

Lloyds-approved polyester gelcoat supplied with MEKP hardener to be used at the advised 2% ratio. The surface commonly cures tacky and is often applied with fibreglass matting to produce a super-smooth industrial finish.


Brilliant gloss finish - with polyester gelcoat formula

Polyester gelcoat is supplied alongside MEKP hardener and the supplier advises a 2% mixing ratio; the description notes the surface will often cure tacky. Application is intended for use with fibreglass moulds and gives a glossy outer surface.

Produces a factory-like gloss ideal for visible boat hulls and moulded parts. Users obtain a smooth, long-lasting surface when mixed and applied as advised.

Consistent curing for moulding and repairs - thanks to included MEKP hardener

MEKP hardener is supplied with the gelcoat and should be added at the advised 2% ratio stated in the product description. The combination is commonly used alongside fibreglass matting for composite lay-ups.

Offers predictable curing behaviour for lay-ups and routine repairs when mixed correctly. For repair work, cover the gelcoat to enable a touch-dry cure or use a white topcoat for post-mould finishing.

Marine-ready assurance - with Lloyds approval

The product description explicitly states Lloyds approval, indicating the gelcoat meets the named approval as advertised. No further certification details are provided in the description.

Provides added confidence for hull applications and professional mould production where recognised approval matters. Certification supports the durability claims noted by users in reviews.

✨ The 4 Key Reasons for Swindon Composite Supplies Marine White Gelcoat
  1. MEKP hardener included - Ensures reliable curing when mixed at the advised 2% ratio.
  2. Easy to mix and use - Produces consistent batches for repeatable repairs and moulding.
  3. Long-lasting durability praised - Suits surfaces that require enduring finishes and minimal maintenance.
  4. Lloyds approved - Gives confidence for marine applications and hull surface use.
📋 Technical Details at a Glance
  • Product type: Marine gelcoat
  • Material: Polyester
  • Colour: White
  • Pack size: 1kg
  • Hardener: MEKP hardener included
❓ Frequently Asked Questions

Q: How should the gelcoat be mixed?

A: Use the supplied MEKP hardener and mix at the advised 2% ratio stated in the product description.

Q: Can this be used for repairs on a boat hull?

A: Yes, it is suitable for repairs and moulded parts, but cover the gelcoat to enable a touch-dry cure or consider a white topcoat for post-mould repairs as recommended.

Q: Is the gelcoat certified for marine use?

A: Yes, the description lists Lloyds approval, indicating acceptance for marine applications as advertised.

🏆 Our Verdict

Ideal for boat owners, mould makers and workshop professionals who need a high-gloss white surface for fibreglass parts. Lloyds approval combined with the supplied MEKP hardener and the advised 2% mixing ratio make it a practical choice for moulding and visible repairs. Durable finish and recognised approval suggest good long-term value for marine repair and finishing work.