Laurikainen was at his best in the opening period as he turned away 25-of-26 shots in the opening 20 minutes to help his club jump out to an early 3-1 lead.
Levi Bews, Chance Lund, Colby Cave, Reece Scarlett and Dillon Heatherington all scored for the Broncos (6-6-4) while Richard Nedomlel chipped in with two assists.
Jon Martin and Levi Cable scored for the Ice (4-9-0), who lost their fourth game in a row.
Mackenzie Skapski made 20 saves in a losing effort.
Swift Current went 2-for-3 on the power play while Kootenay scored once on seven chances with the man advantage.