StuccoBase Premix
StuccoBase Premix is a factory-blended mixture of Portland cement, reinforcing fibers, sand, and other proprietary ingredients.
StuccoBase Premix conforms to ASTM C926, the standard specification for application of Portland cement-based stucco. It is also listed in ICC-ESR-1064 for use with PermaLath 1000.
As we continue the integration with Sika Corporation, please use this 
Product Name Cross Reference Guide to look up the previous Master Builders Solutions product name and the new SikaWall product name. Please contact us if you have any questions.
| FEATURES | BENEFITS |
| Superior weathering properties | Long-term durability |
| Proprietary formulation | Improved moisture resistance and low water absorption |
| Fiber reinforced | Resists shrinkage cracking when properly cured |
| Needs only addition of water | Easy to mix and use with consistent results |
| Sand is added at the factory | Consistency in the sand and overall mix |
Uses
StuccoBase Premix is designed for use with Finestone Stucco Wall Systems. Acceptable substrates include:
- Concrete or unit masonry
- ASTM C1177 type sheathings, including e²XP®, GlasRoc®, DensGlass®, Securock®, Weather Defense® Platinum and GreenGlass® sheathing
- Water-resistant core gypsum sheathing (ASTM C79/ASTM C1396)
- Cement-board (ASTM C1325 Type A Exterior) at a minimum 1/2 inch thickness
- Fiberboard ANSI/AHA A 194-85
- Plywood complying with US DOC PS 1-95
- Expanded polystyrene insulation board complying with ASTM C578 Type IV with nominal density 1.5 lbs/ft³ extruded polystyrene
- Oriented strand board (OSB), complying with US DOC PS 2-95, to which a weather-resistive membrane and lath are attached.
Packaging
36.3 kg (80 lbs) per bag.
Coverage
Coverage may vary depending upon surface conditions and application technique.
2.2–2.4 m² (23–26 ft²) per 80 lb bag at a thickness of 3/8"–1/2".
