Mapei Corp. has released the Mach 4 and Mach 6, two fast-grab adhesives. Mach 4 is a medium-grade, multi-purpose adhesive. Mach 6 is a high-tack carpet adhesive. Both products have modified acrylic properties that give them up-front quick grab adhesion. Each adhesive has five-year and seven-year extended warranties for most carpet backings.