Schönox AST 33lb
Synthetic Gypsum-Based, Rapid-Drying, Smoothing and Patching Compound provides a smooth finish on various substrates in interior areas. Can be installed as a true featheredge up to 1/4″. Excellent for light repair over gypsum substrates in multi-family applications. Over cement, preferably, use Schönox SL.
Technical Data
Compressive Strength
(ASTM C109/mod-days air cure only): 23N/MM sq / 3600 psi at 28 days
Coverage
(depending on texture of substrate) Per unit of 4.5kg/10lbs.:
Approx. 594 sq.ft. when applied as a true featheredge
Approx. 109 sq.ft. at 1/8″
Approx. 594 sq.ft. when applied as a true featheredge
Approx. 109 sq.ft. at 1/8″
Emicode
EC 1PLUS : very low emission
LEED
IEQ 4.3 Low-Emitting Materials-Flooring Systems, 1 point
MR 1.1 Building Reuse Maintain Existing Walls, Floors and Roof, up to 3 points
MR 1.2 Building Reuse Interior-Maintain Existing Interior Nonstructural Elements, 1 point
MR 4 Recycled Content, up to 2 points
MR 1.1 Building Reuse Maintain Existing Walls, Floors and Roof, up to 3 points
MR 1.2 Building Reuse Interior-Maintain Existing Interior Nonstructural Elements, 1 point
MR 4 Recycled Content, up to 2 points
Working Temperature
41°F – 90°F
Pot Life
Approx. 20 minutes at 68˚F
Ready For Covering
After approx. 30 minutes when applied as a true featheredge
After approx. 12 hours at 1/8″ thickness
After approx. 12 hours at 1/8″ thickness
Shelf Life
18 months unopened
Packsize
33lb. net weight in paper bags
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