Established in 1990, Northstar Specialties, Inc. has the experience to solve any floor challenge. Whether you need to achieve a fire or sound rating, meet specific floor leveling criteria, mitigate moisture, or simply flatten an existing floor, Northstar Specialties has a solution to meet your needs. As an authorized Maxxon applicator, we offer Maxxon's complete product line of gypsum and self-leveling underlayments (including the product that started the industry - Gyp-Crete), Acousti-Mat Sound Control Systems, moisture vapor barriers, and specialty products.