Raeco Feather Spread is a fast-setting, smooth textured, high strength, single component, concrete repair and topping compound. Consisting of a uniform, premixed blend of portland cements and graded washed silica aggregates with polymer modification to promote lasting surface adhesion, it is used for renovation and new construction. Feather Spread is for multi-purpose repairs and is especially formulated as a floor covering underlayment. Feather Spread can be applied from feathered edge to 1/2" (12.7 mm.). Feather Spread can be used for horizontal, vertical and overhead surfaces. Suitable for interior and exterior use, a sealer or coating is recommended when used for a wearing surface. Feather Spread contains no gypsum, chlorides, ferrous metals or corrosive agents.