Flatline Floors prides itself on providing the finest quality Cementitious Floor Underlayments for radiant heat, floor leveling, concrete floor resurfacing, fireproofing & sound reduction, as well as installation of moisture mitigation systems.Serving all of Northern California we offer superior workmanship at competitive prices. Installations for custom homes, high rises, industrial & commercial projects, Flatline Floors has a product to fit your needs. Use Flatline Floors one time, and you will use Flatline Floors every time.