Side-by-side comparison
Sherwin-Williams Loxon Quick Dry Primer N/A N/A vs Sherwin-Williams ProBlock Quick Dry Water-Based Interior/Exterior Primer N/A White
| Fact | Loxon Quick Dry Primer | ProBlock Quick Dry Water-Based Interior/Exterior Primer |
|---|---|---|
| Use | Exterior primer, Interior primer | Interior primer |
| Sheen · base | N/A · N/A | N/A · White |
| VOC (untinted) | 617 g/L | 0 g/L |
| VOC added by tint | Not stated | Not stated |
| Emissions testing | Not documented | Tested (LEED emissions) |
| Health certification | None found | None found |
| Safety Data Sheet warnings | 7 | 1 |
| Ingredient disclosure | Partial (environmental data sheet) | Partial (environmental data sheet) |
| Safety Data Sheet revised | 8/18/2026 | 9/5/2026 |
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.
See the score broken down by category
Free. Answer 4 quick questions and create your account.
Scores summarize the evidence makers publish. They don't guarantee safety or predict individual health outcomes. How we score
Sources
Sherwin-Williams Loxon Quick Dry Primer
Sherwin-Williams ProBlock Quick Dry Water-Based Interior/Exterior Primer