Polishing with Dulon | Polishing polyester gelcoat

Have you just done a gelcoat repair or has the gelcoat of your car, boat or caravan become dull? You can easily polish a polyester gelcoat to bring back that beautiful high gloss! In this article, we explain in 2 steps how to do this using Dulon rubbing compounds.

Step 1. Polishing with rubbing compound

Supplies:

Product Dulon Compound Strong 14 (poly polish)
Mechanical/manual Mechanical
Polisher Concentric/eccentric
Support disc 150 mm
Pad Hard

Working method:

  • Clean and degrease the surface. If necessary, clean it with Predulon 00 cleaner before polishing.
  • Slightly damp the (hard) polishing pad with water. Then apply a small amount of Dulon Compound Strong 14 polish to the pad.
  • Spread the polish thinly over the surface.
  • Now polish the surface at a low speed.
  • Increase the speed slightly during polishing until the desired result is achieved.
  • Remove the residue from the surface with a microfibre cloth and continue with step 2.

Step 2. Protect with wax

Option 1: Dulon 1 & 2 - Polish & Wax set

Supplies:

Product Dulon 1 & 2 
Mechanical/manual Both possible
Polisher Concentric/eccentric
Support disc 150 mm
Pad Middle, SoftLambswool

Working method - manually

  • Apply Dulon 1 with a damp microfibre cloth. Do this using circular motions until a light, white haze is formed.
  • Then apply Dulon 2 in the same way as Dulon 1.
  • Now let it dry and rub out with a clean, dry microfibre cloth.

Working method - machine

  • Apply a small amount of Dulon 1 to a slightly moistened pad (medium) and spread it thinly over the surface.
  • Polish the surface at a medium speed until a light, white haze has formed. Do not rub out this haze!
  • Apply Dulon 2 in the same way.
  • Let it dry to a powdery haze. You can now buff/rub the surface with a clean, dry lambswool pad at high rotation speed.

Option 2: Dulon 19 - Boatwax

Supplies:

Product Dulon 19 Boatwax
Mechanical/manual Both possible
Polisher Concentric/eccentric
Support disc 150 mm
Pad Soft, Lambswool

Working method - manually

  • Apply Dulon Premium Boatwax 19 with a damp microfibre cloth. Do this using circular motions until a light, white haze is formed.
  • Now let the wax dry and buff off using a dry, clean, lint-free cloth.

Working method - machine

  • Lightly moisten the polishing pad (soft) and apply a small amount of Dulon Premium Boatwax 19 on the pad.
  • Spread Dulon Premium Boatwax 19 thinly on the surface.
  • Polish the surface at low speed, in gentle, controlled movements, until a light, white haze is formed.
  • Allow the wax to dry to a powdery haze.
  • Buff/rub the surface with a lambswool pad at high rotation speed.
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Products used in this article

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