Benjamin Moore · all lines

Is Benjamin Moore Ultra Spec Masonry Int/Ext 100% Acrylic Sealer toxic?

No paint is risk-free, and "toxic" depends on how much you're exposed to and for how long. Here is what Benjamin Moore's own documents show. Benjamin Moore Ultra Spec Masonry Int/Ext 100% Acrylic Sealer scores 53 out of 100 across its 2 sheens and bases. Its untinted VOC is 100 g/L. Its Safety Data Sheet lists no hazard classifications. It documents third-party low-emissions testing.

Health score
53
VOC g/L
100
Use
Interior primer, Exterior primer

Safety Data Sheet warnings

None. The Safety Data Sheet lists no hazard classifications.

Evidence beyond the label

All 2 versions

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