One component, ready to use, no mixing required Single coat application Designed to enhance the adhesion of mortars to many smooth and non-absorptive substrates that can be difficult to bond to PRIME-N-BOND is a versatile, ready-to-use, single coat, low VOC primer designed to enhance the adhesion of mortars to many smooth and non-absorptive substrates that can be difficult to bond to. For interior use only. PRIME-N-BOND also improves bonding of LATICRETE self-leveling products. For interior use only.