Fibreglass Evercoat 417 Glaze Coat Putty - 30 oz. METALWORKS products contain ZNX-7 for superior adhesion and feather-edging to corrosion treated metals, including hot dipped galvanized steel. This preserves the corrosion protection and can honor the OEM corrosion warranty Extra-thin formula is ideal for blending with other METALWORKS products to enhance the spread and sandability without sacrificing any premium features or integrity GLAZE COAT was the first pourable finishing putty in the market Spreads to an ultra-smooth finish with a fine taper, easily filling pinholes, grind marks, low spots and other minor imperfections Tack-free formula for easy sanding without clogging sandpaper