Be sure that the substrate is perfectly sealed and that every one hungry areas are dealt with before continuing to setup the system. If the overcoating time period with the primer is exceeded, the surface needs to be lightly abraded and vacuumed before additional coats are used. Registering with MyAltro https://mcgepoxycoatings.com/why-decorative-quartz-screed-works-wonders-for-hospitality-flooring/