Side-by-side comparison
Sherwin-WilliamsProBlock Premium All-Purpose Water-Based Interior/Exterior PrimerN/A · Deep Base70GoodReplace
Sherwin-Williams All Surface Enamel Oil Primer N/A White vs Sherwin-Williams ProBlock Premium All-Purpose Water-Based Interior/Exterior Primer N/A Deep Base
Sherwin-WilliamsProBlock Premium All-Purpose Water-Based Interior/Exterior PrimerN/A · Deep Base70GoodReplace| Fact | All Surface Enamel Oil Primer | ProBlock Premium All-Purpose Water-Based Interior/Exterior Primer |
|---|---|---|
| Use | Exterior primer, Interior primer | Exterior primer, Interior primer |
| Sheen · base | N/A · White | N/A · Deep Base |
| VOC (untinted) | 497 g/L | 0 g/L |
| VOC added by tint | Not stated | Not stated |
| Emissions testing | Not documented | Tested (GREENGUARD, LEED emissions) |
| Health certification | None found | None found |
| Safety Data Sheet warnings | 7 | 2 |
| Ingredient disclosure | Partial (environmental data sheet) | Partial (environmental data sheet) |
| Safety Data Sheet revised | 6/24/2026 | 8/12/2026 |
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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Sources
Sherwin-Williams All Surface Enamel Oil Primer
Sherwin-Williams ProBlock Premium All-Purpose Water-Based Interior/Exterior Primer