Siena Floor Patch SP820 is a premium, fast setting, polymer-modified cementitious patching, skim coating, ramping, leveling and surface preparation material. It is designed to repair, fill and smooth surfaces from feather edge to 1” in a single application on horizontal interior substrates. It can be used to prepare surfaces for the installation of many types of flooring, such as: LVT, VCT, carpet, wood, tile, laminate and engineered flooring materials. Flooring may be installed within one hour of the application. Siena Floor Patch SP820 is specially formulated to be easily applied over substrates such as: cured concrete, cement backer board, exterior grade plywood (dry areas only), existing VCT or tile that is clean and securely bonded, dried cutback and nonwater soluble adhesives. Siena Floor Patch SP820 is an excellent choice to cover nonstructural imperfections in concrete surfaces to produce a clean, uniform, smooth surface.
Siena Floor Patch SP820 is designed to repair, smooth, ramp and fill flooring surfaces from feather edge to 1” on horizontal interior substrates for surface preparation to install many types of flooring, such as: LVT, VCT, carpet, wood, tile, laminate, engineered flooring materials. Siena Floor Patch SP820 sets up quickly and can be sanded in under 30 minutes. Flooring may be installed within one hour of application.