Using polyurethane to coat the outdoor balcony, the film cracks very quickly. How to fix it?

Surface Preparation

You should sand with sandpaper #80-100 first to remove the old peeling paint and to open the wood grain so that the paint film can penetrate and preserve the wood effectively. Then, dust off and clean the surface.

In the case of rubber wood, you should clean the rubber with Beger Thinner M-77.

Surface Repair

Fill holes or nail heads with Beger Wood Filler, leave for 30 minutes, then sand smooth with sandpaper #320 and wipe off the dust for cleaning.

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Primer System

It can be applied without a primer.

For hardwood and dense wood, mix thinner M-1199 at a ratio of 10-20% in the first coat to allow the paint to penetrate deeper into the wood.

Topcoat System

Apply with Beger DeckStain, Beger SuperDeck, Beger NaturalDeck for 2-3 coats.

Tips

In the case of softwood, after surface preparation, apply wood preservative Beger B-6900 as a primer against mold, termites, and wood-eating insects for 1 coat and let it dry for 1-2 hours.

If greater durability is desired after applying B-6900, apply a wood stain primer (Beger G-1900) before applying Beger Deck Stain.

Note: If you want to coat outdoor woodwork, there is currently a new innovation, Polyurethane 1K Supreme Outdoor, that can be used on wooden floors, exterior wooden walls, and outdoor wooden furniture, available in clear film, clear gloss, clear matte, and 7 translucent shades to choose from.

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