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Brian
Brian, Architect
Category: Home Improvement
Satisfied Customers: 2153
Experience:  Licensed Architect- 17 years, L.E.E.D. AP
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Which is more durable epoxy or urethane for outdoor projects

Customer Question

which is more durable epoxy or urethane for outdoor projects
Submitted: 3 months ago.
Category: Home Improvement
Customer: replied 3 months ago.
I make metal art and I want to spray clear coat over finished piece and I want to use the longest lasting coating I have used urethane.that is sprayed on autos but would like to know about epxy.
Expert:  Rick replied 3 months ago.

Welcome to Just Answer, my name is ***** ***** I will do my best to help you with your issue. If my initial response doesn’t answer your question then let me know and we can continue our conversation.

Both finishes are very durable with epoxy generally being a better product for wear surfaces. But as a practical matter epoxy is a 2 part product that has to be mixed just prior to application. So since you're spraying the finish I'd stick with urethane.

Customer: replied 3 months ago.
Urethane clearcoat also has to be mixed just before spraying
Expert:  Rick replied 3 months ago.

Sounds like you're using a catalyzed urethane finish. Unless this is a wear surface there is no benefit to epoxy over urethane.