Side-by-side comparison
Sherwin-Williams Kem Bond HS Universal Metal Primer Flat Gray vs Valspar Prep Step Drywall Primer Flat Tintable White
Sherwin-Williams Kem Bond HS Universal Metal Primer has no score yet because the maker hasn't published every document we need. Missing data is not evidence of harm.
| Fact | Kem Bond HS Universal Metal Primer | Prep Step Drywall Primer |
|---|---|---|
| Use | Exterior primer, Interior primer | Interior primer |
| Sheen · base | Flat · Gray | Flat · Tintable White |
| VOC (untinted) | Not disclosed | <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 | 6 | 1 |
| Ingredient disclosure | Partial (environmental data sheet) | Safety Data Sheet only |
| Safety Data Sheet revised | 8/9/2026 | 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.
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 Kem Bond HS Universal Metal Primer
Valspar Prep Step Drywall Primer