Polyurethane Clear Coat Over Enamel

But if the enamel is over a porous substrate wood or foam without epoxyfiberglass inbetween the excess solvents can go into the porous substrate.

Polyurethane clear coat over enamel. 3 in general it is better to put two part polyurethane clear over a lacquer. The rule of thumb for polyurethane. Polyurethane can be used over enamel paint which often provides a harder finish than latex based paints. Weather dirt and other damaging elements never touch the actual paint on the car.

Therefore you can purchase epoxy enamels polyurethane enamels and most frequently alkyd andor acrylic enamels. My answer and experience is different. When a car is painted with acrylic enamel a clear coat is applied over the paint. Polyurethane has replaced many long trusted coatings due to its durability and ease of use.

The clear coat of urethane supplies the acrylic enamel paint with a buffer between the paint and the elements. Ive done this before with enamel and laquer it works fine with enamel you would want to put the clear on before 24hrs and after 12hrs or you will need to sand which would be ok unless its a metalic finish that would be require a re coat with color and then clear within the time window. When a painter uses the word enamel he is usually referring to a high gloss smooth decorative alkyd andor acrylic top coat. Painting a car makes it look new again.

How to apply a polyurethane top coat to painted furniture for even more details on the products i used as well as the details of this project please visit this post i have written sharing all the. Typically we refer to high gloss smooth decorative top coats as enamels. While it may be possible to get the polyurethane to adhere to the original coating there will never be a great mechanical bond.