Side-by-side comparison
Valspar Exterior Primer/Sealer Flat Tint White vs Valspar Prep Step Whole House Primer Flat Tintable White
| Fact | Exterior Primer/Sealer | Prep Step Whole House Primer |
|---|---|---|
| Use | Exterior primer | Exterior primer |
| Sheen · base | Flat · Tint White | Flat · Tintable White |
| VOC (untinted) | <100 g/L | <50 g/L |
| VOC added by tint | Not stated | Not stated |
| Emissions testing | Not documented | Not documented |
| Health certification | None found | None found |
| Safety Data Sheet warnings | 3 | 3 |
| Ingredient disclosure | Safety Data Sheet only | Safety Data Sheet only |
| Safety Data Sheet revised | 8/18/2026 | 8/18/2026 |
Highlighted rows are where the two products differ. Facts come from each maker's documents; "not disclosed" means the maker hasn't published it, not that the product failed a test.
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Scores summarize the evidence makers publish. They don't guarantee safety or predict individual health outcomes. How we score
Sources
Valspar Exterior Primer/Sealer
Valspar Prep Step Whole House Primer