Johnstone's Trade Heavy Duty Yacht Varnish Gloss Clear - 750ml

Resists UV attack to protect the timber. Woodworks Heavy Duty Yacht Varnish has been specially for...

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OnBuy.com0.75 Ltr Johnstone's Woodworks Yacht Varnish Clear 5010426672397
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The Paint ShedJohnstone's Trade Clear Heavy Duty Yacht Varnish Gloss 5L
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Product Information

Full details

This guide is for anyone looking to protect exterior wooden surfaces with a durable, high-gloss finish. Johnstone's Trade Heavy Duty Yacht Varnish provides excellent UV resistance and flexibility, making it ideal for doors, window frames, and other exterior wood. Be aware that this is a solvent-based varnish, so proper ventilation is crucial during application.

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BrandJohnstone's

Extended Product Information

FAQs

How do I prepare the surface before applying the varnish?

The surface should be clean, dry, and free from any previous coatings. Sand the surface to create a smooth finish.

How many coats of varnish should I apply?

Apply multiple thin coats, typically two or three, depending on the timber and desired finish. Always allow each coat to dry completely before applying the next.

Can I use this varnish on marine vessels?

Yes, this varnish is suitable for marine environments and is designed to provide excellent protection against the elements.

What is the coverage rate of the varnish?

Coverage is approximately 14-16 m²/litre.

How should I clean the application tools?

Clean brushes, rollers, and spray guns immediately after use with the appropriate solvent, as specified by the manufacturer.

How long does the varnish take to dry?

Drying times vary depending on environmental conditions. Refer to the product label for specific drying times. Generally, allow several hours between coats.

How do I store the remaining varnish?

Store the varnish in a cool, dry place away from direct sunlight and heat. Ensure the container is tightly sealed to prevent the varnish from drying out.

Troubleshooting

Varnish is not drying properly.

Ensure adequate ventilation and that the temperature is within the recommended range. Check that the previous coat is fully dry before applying the next.

Varnish is cracking.

Ensure the varnish is applied in thin, even coats and that the wood surface is properly prepared.

Varnish has runs or sags.

Apply thinner coats and avoid over application. Ensure the application method is correct.

The finish is not glossy.

Ensure the varnish is thoroughly mixed before application and apply multiple coats.

Pros and Cons

Pros

  • Excellent UV protection to prevent timber degradation.
  • Flexible film prevents cracking and extends the life of the finish.
  • Provides a durable, high-gloss finish for an attractive appearance.
  • Suitable for use on a variety of exterior wood surfaces.
  • Offers marine-grade quality for enhanced protection in harsh environments.

Cons

  • Solvent-based, requiring adequate ventilation during application.
  • May require multiple coats for optimal protection.
  • Application can be more complex than water-based alternatives.
  • Requires proper surface preparation for best results.
  • Clean up requires the use of appropriate solvents.

Setup, Compatibility & Care

Setup

  1. Surface Preparation: Ensure the wooden surface is clean, dry, and free of dirt, grease, and old paint. Sand the surface to create a smooth finish.
  2. Application: Apply the varnish using a brush, roller, or spray gun. Follow the manufacturer's instructions for the specific application method.
  3. Coats: Apply multiple thin coats, allowing each coat to dry completely before applying the next. The number of coats required will depend on the timber and desired finish.

Compatibility

  • Compatible Surfaces: Suitable for use on exterior smooth planed timber, doors, and window frames.
  • Not Recommended: Do not use on surfaces that are not smooth planed timber.

Care

  • Cleaning: Clean the surface with a mild detergent and water. Avoid abrasive cleaners.
  • Maintenance: Inspect the surface regularly for any signs of damage or wear. Re-apply varnish as needed to maintain protection.

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