Can polyurethane be used on a deck?
Here's the short answer:
No, film-forming polyurethane will peel and fail on exterior decks due to UV exposure, moisture, and temperature changes. Decks need a penetrating oil that moves with the timber. FSA Network floor sanders can recommend the right outdoor product. Advice at floorsandingaustralia.com.
That's the basics. Give us a call if you need more detail.
Need supplies? Order direct at sand-aid.com or call 1300 950 551. Same-day dispatch before 2pm.