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Sto Corporation
ExtraSeal Air & Moisture Barrier Component - 65 Lb. Bag
QXO product C-651439 · 1 options
Selected: STO EXTRASEAL 65LB BAG
QXO SKU 651439 · Product number STOES65
Free, no-obligation quote. Our team confirms local availability, required quantities, compatible components, and installation pricing.
Selected option specifications
- UOM
- BAG
- Item Weight
- 65
- Algae Resistance
- No
- Applicable Standards
- ASTM E2178 ASTM E514 ASTM E96 ASTM D4541 ASTM E84 ASTM C926
About this product
Sto ExtraSeal is a portland cement-based air and moisture barrier component for use beneath direct applied stucco brown coats. It is applied by trowel or pump to vertical above grade concrete and concrete masonry (CMU) wall surfaces.

