Is Valspar StormCoat Exterior Paint toxic?

No paint is risk-free, and "toxic" depends on how much you're exposed to and for how long. Here is what Valspar's own documents show. Valspar StormCoat Exterior Paint scores 3–48 out of 100 across its 11 sheens and bases. Its untinted VOC is 50–150 g/L. Its Safety Data Sheet carries these warnings: reproductive warning (4 of 11 versions), genetic damage warning (3 of 11 versions), skin allergen (3 of 11 versions) and organ toxicity warning (1 of 11 versions). We found no third-party emissions testing for it.

Health score

3–48

VOC g/L

50–150

Use

Exterior paint

Safety Data Sheet warnings

• Reproductive warning4 of 11 versionsSuspected of damaging fertility or the unborn child.
• Genetic damage warning3 of 11 versionsSuspected of causing genetic defects (germ cell mutagenicity), from an ingredient in the paint itself.
• Skin allergen3 of 11 versionsMay cause an allergic reaction.
• Organ toxicity warning1 of 11 versionsMay affect organs through repeated or high exposure (for example solvent vapors).
• Cancer warning (dust only)all versionsListed ingredients are hazards as inhaled dust. Wear a mask when sanding or spraying.

Evidence beyond the label

• Emissions testing: none found
• Health certification: none found
• Full ingredient list (Health Product Declaration): not published

All 11 versions

• Flat · Base 4VOC <50 g/L · 1 warning48Poor
• Flat · High Hide WhiteVOC <50 g/L · 2 warnings48Poor
• Flat · White BaseVOC <50 g/L · 2 warnings48Poor
• Satin · Base 4VOC up to <150 g/L (varies by item) · 1 warning35Poor
• Satin · High Hide WhiteVOC up to <150 g/L (varies by item) · 2 warnings35Poor
• Semi-Gloss · Base CVOC up to <150 g/L (varies by item) · 1 warning35Poor
• Semi-Gloss · Neutral BaseVOC up to <150 g/L (varies by item) · 1 warning35Poor
• Satin · White BaseVOC up to <150 g/L (varies by item) · 3 warnings12Bad
• Semi-Gloss · High Hide WhiteVOC up to <150 g/L (varies by item) · 4 warnings3Bad
• Semi-Gloss · Pastel BaseVOC up to <150 g/L (varies by item) · 4 warnings3Bad
• Semi-Gloss · White BaseVOC up to <150 g/L (varies by item) · 4 warnings3Bad

Updated October 12, 2026. Scores summarize the evidence makers publish. They don't guarantee safety or predict individual health outcomes. No brand pays to be listed. How we score