Wet material effect

I would like to achieve the wet effect for material like what is seen on the Reflections project of Epic, I’m having a hard time on how to do it.

Hi!

For the effect of wet surface you need use a mask in specular channel.

Here are a few lessons on how to add this effect.

http://polycount.com/discussion/140008/ue4-vertex-paint-water-puddle-master-material

Thank you for your reply, I would look into it.