SEMCO Products Shop our online store products. If you’re a Contractor in need of a custom quote, please contact us. SEMCO Concrete Resurfacing KitRated 5.00 out of 5 $1,555.00 SEMCO Tile Resurfacing KitRated 5.00 out of 5 $895.00 – $1,685.00 SEMCO Liquid Membrane™Rated 5.00 out of 5 $109.90 – $419.90 Nu-Lift Cleaner $46.60 – $276.00 6″ Anti-Fracture Fabric $85.00 Stone Soap $53.50 – $319.00