Insulbricks is valid Scrabble Word

Is insulbricks a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List YES
Collins Scrabble Words NO
Is insulbricks valid Words with Friends?
Words with Friends NO

Similar words containing SULBRICK without suffix s and without prefix in

insulbrick18
Find what other words can be done using letters: "insulbricks"
https://scrabble-word.com/finder/insulbricks
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