Just moved into a new house and can’t seem to work out what flooring I have in the backyard patio. Is is slate or not, I have some as stepping stones in the front and they are not heavy at all so I’m a little confused. I’d like to seal it so want to make sure before I start anything. Thanks for your...

Hi all Just moved into a new house and can’t seem to work out what flooring I have in the backyard patio. Is is slate or not, I have some as stepping stones in the front and they are not heavy at all so I’m a little confused. I’d like to seal it so want to make sure before I start anything. Thanks f...