STUC-O-BASE WET ADHESIVE / BASE COAT
Description
Stuc-O-Base is a wet-mix acrylic polymer based adhesive and underlayment for use with acrylic finish coatings.
Stuc-O-Base provides a strong bonding surface on several different types of foam as well as concrete substrates.
Color
Light beige
Container
60 pounds net weight / 5-gallon pail
Use
Stuc-O-Base is used as a base coat, leveling and reinforcement for WaterWay Stucco assembly, EIFS and direct-applied systems, as well as an adhesive for some foam system applications.
Adhesion
Good adhesion to stucco, concrete, cement board substrates, block, brick, expanded polystyrene and polyisocyanurate foams.
Working Time
Sets in 1-4 hours after being mixed with cement.
Coverage
Approximately 190 square feet per container for flat substrates.
Mixing
Stuc-O-Base should be mixed 1:1 by weight with fresh, dry Portland Cement type I or II. Product should be allowed to sit for 10 minutes, then remixed & use immediately.
Drying Time
12-24 hours, depending on climate. Drying time can be greatly affected by temperature and humidity.
Storage
Protect from freezing. Store in a cool, dry area tightly sealed. Recommended storage temperature between 40 - 90 F.
Clean-up
Water soluble when wet.
Shelf Life
One year, if protected from direct sunlight and freezing temperatures.
Limitations
- Ambient and surface temperatures must be above 40 F during application and drying period.
- Never use Stuc-O-Base as a final coat - not a weathering membrane.
- Stuc-O-Base should never be used on horizontal surfaces.
Surface Preparation
Substrate must be clean, dry, and free from all loose or foreign materials prior to application of Stuc-O-Base.
Application
Stuc-O-Base is usually applied with stainless steel masonry trowels at a nominal 1/16 -1/8 inch. It can also be spray applied with proper equipment onto the substrate, then troweled to smooth out the surface. Over approved foam substrates and Waterway Stucco assembly
Stuc-O-Base should be used in conjunction with fiberglass mesh.
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