Sika SikaBond PVA+ is a multi purpose bonding agent that adheres to most common surfaces. It acts as a primer and sealer, and is over paintable. This medium viscosity, polyvinyl alcohol stabilized, externally plasticised, vinyl acetate homopolymer contains no harmful phthalates. SikaBond PVA+ can be used as a general purpose economic adhesive for wood, cork, paper, textiles, and more. It also functions as a sealer and mortar improver for a wide range of building jobs. SikaBond PVA+ can be mixed with shavings or plaster for use as an internal filler, and will reduce surface dusting.