Ghostshield Lithi-Tek LS 9500 is an advanced, industrial strength, penetrating concrete and masonry waterproofing sealer. Lithi-Tek LS 9500 is an uniquely transparent, blended formula with added enzymes and surfactants that aide in accelerating a deeper penetrating disbursement. Surpassing anything else on the market the Lithi-Tek LS 9500 treats and seals from the inside out; strengthening the concrete as well as providing an oleophobic environment on the surface that will not chip, flake, delaminate or breakdown with UV light exposure.