Rapid Set® WunderFixx® is a polymer modified, gray concrete smoothing and patching compound formulated with Rapid Set® non-shrink cement, allowing full-depth application from featheredge to ½-inch thickness in a single coat.WunderFixx is used for the cosmetic patching of tilt ups, precast, and cast-in-place concrete projects.It is an ideal repair material for smoothing rough surfaces, seams, stable hairline cracks, bugholes, and imperfections in concrete surfaces.Since WunderFixx is sand-free and has a smooth and creamy texture, it is easy to apply.It sands to an ultra-smooth finish and uniform appearance, sets in 60 minutes, and can be painted in 3 hours with no flashing.WunderFixx can be used in all weather conditions and reduces deterioration, mold, and peeling because it is hydraulic cement, not gypsum.Jobs will not have unsightly water damage, even in heavy rain, sleet, and snow.Projects will last because WunderFixx has superior adhesion.
- Low alkaline surface — reduces the susceptibility to color burnout
- Highest possible mold-resistance rating based on ASTM 3273
- Crack resistant, low-shrink, long life formula
- Easy to use — just add water
- Excellent bond to concrete, brick, block, plaster and more.
- High Performance: Patch, sand and paint the same day
- Easy to Use: Just add water, no admixtures needed
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