Heat bed Mk3 (1 reply)

I have a PCB Heatbed Mk3 (photos below):
[attachment 21624 Heatbed.jpg]
Am I correct in saying that I don't need a glass plate on top of the PCB Heatbed and that I print straight onto the Heatbed?

Also, which way up should the Heatbed be mounted?

Thanks.

James.