Mastertop P 691
Mastertop P 691 is a fast curing, single component, moisture curing, clear polyurethane adhesion promoting primer. Mastertop P 691 contains solvent.
Mastertop P 691 is designed for use as an adhesion promoting primer on CONIPUR membranes. It uses include the application of a new membrane to an aged membrane e.g. in repair application. It can also be used on aged membranes when renewing or repairing the UV protective top coat.
Mastertop P 691 can also be used as a primer on sand broadcast epoxy primers prior to the application of a spray applied membrane in applications where the membrane is permanently exposed to water.