SunTrust Bank is scheduled to hit the market tomorrow with a $150 million revolver for Gypsum Management & Supply that will refinance existing debt. Pricing is LIBOR plus 1% with a 25 basis point commitment fee. The facility matures in five years. The deal is expected to close in April. The company makes gypsum board, used for walls inside houses. SunTrust bankers and Mike Allen, Gypsum's cfo, declined comment.