My presentation for the National Slate Association 2016 annual meeting
03/05/2016 2 Comments
Hello. This is my presentation for the National Slate Association (NSA) annual meeting, which was held in Philadelphia 3-6 march. I talked about some facts involving roofing slates:
– Definition of the petrological term slate versus the commercial and constructive term roofing slate.
– Types and characteristics of roofing slates
-Roofing slate standards