Schluter Primer Comparison Chart
| Property | PRIMER-PS | PRIMER-U |
|---|---|---|
| Primer Type | Topical | Penetrating |
| Solids Content | 30% | 20% |
| Viscosity | 100-120 cP | 75-100 cP |
| Color | Gray | Orange |
| Dry Time | 10 - 60 minutes | 15 - 60 minutes |
| VOC | <1 gram/liter per SCAQMD Rule 1168 | <1 gram/liter per SCAQMD Rule 1168 |
| Coverage | 250 – 450 sq ft per gallon | 250 - 550 sq ft per gallon |
| Preferred Application Method | 1/4" nap roller | 3/8" nap roller |
| Relative Humidity | < 85% | < 85% |
| MVER (Moisture Vapor Emission Rate) | 8 lbs per 1000 sq ft | 8 lbs per 1000 sq ft |
| Application Area | Peel and stick membranes | Thin-set / Peel and stick membranes |