Proflex - Deep Pour Underlayment Substrate Primer

DPU Primer is a necessary companion product to PROFLEX® DPU. All surfaces must be primed with PROFLEX® DPU Primer prior to installing PROFLEX® DPU. The primer must be dry to the touch before applying PROFLEX® DPU. Allow the primer to dry for a minimum of 3 hours and a maximum of 48 hours. The primer dilution or modification will depend on the nature of the substrate.