Schönox HS Sturdy
Hybrid Active-Dry Technology-based Rapid Drying Repair and Smoothing Compound suitable to provide a smooth finish on various substrates in interior areas. Schönox HS Sturdy
can be installed as a true featheredge up to 2″ depths.

Technical Data
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Compressive Strength
- 30 N/mm² / 4,400 psi after 28 days
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Coverage
- 10lb. Approx. 180 sq.ft. when applied as a true featheredge
- 10lb. Approx. 12 sq.ft. at 1/8“ (depending on substrate conditions)
- 33lb. Approx. 600 sq.ft. when applied as a true featheredge
- 33lb. Approx. 40 sq.ft. at 1/8“ (depending on substrate conditions)
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Emicode
- EMICODE EC 1: very low emission
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LEED
- EQc2 Low-Emitting Materials, 3 points
- MRc1 Life-Cycle Impact Reduction, up to 2 points
- MRc2 Environmental Product Declaration, 1 point
- MRc3 Sourcing of Raw Materials, 1 point
- MRc4 Material Ingredients, 1 point
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Pot Life
- Approx. 15 minutes
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Ready for Covering
- After approx. 30 minutes when applied as a true featheredge
- After approx. 4 hours at 2″
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Shelf Life
- 1 year unopened
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Working Temperature
- 41°F – 90°F
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Packsize
- 10lb. and 33 lb. net weight in paper bags