Yes, FASCIA is a Scrabble word!

Letter values in Scrabble US: F 4, A 1, S 1, C 3, I 1, A 1.

Is it a valid word?

FASCIA is a valid word in the official Scrabble dictionary (US), the UK Scrabble Dictionary and Words with Friends (ENABLE).

a sheet or band of fibrous connective tissue separating or binding together muscles and organs etc
instrument panel on an automobile or airplane containing dials and controls