Need to be in b & w

Even though I am sending a monochrome plan to layout from SU, it is coming up
colored and textured

In SketchUp, go to your Styles Window, you can change the colours. Go to Edit and play with the settings.

The Styles Browser Face panel:
http://help.sketchup.com/en/article/114952

Thanks I will try this route. I hope the selection sticks.

It should. You can also change the style in Layout. No need to go back and forth