Decra metal shingles

Im bidding a Decra Metal shake XD and trying to figure out a labor rate.

Has anyone installed this? If so whats the average material applied per hour?

From all the videos that I have watched it looks pretty simple easy.

Any down sides to installing this product?

Thanks

Thanks, I got the job. I will take some pics and post them as we progress.

But they are stone coated....now Im really confused.

I got the go ahead on the roof today for the price that I estimated.

If nothing else it will prepare me if there is a next time. :P