"The final ban on use of asbestos in Canada came only in 2018 ."

1988 this hotel was completed.

"...case of asbestos in 1990s popcorn ceiling,..."

Popcorn...

https://www.lcslaboratory.com/faq-our-home-in-ontario-was-built-in-1985-can-it-be-contaminated-with-asbestos/#:~:text=Asbestos%20was%20heavily%20used%20in,containing%20materials%20produced%20after%201981.