Modifiers matching coating:

• organic,
• protective,
• old,
• solid,
• permanent,
• reactive,
• hydrophilic,
• uniform,
• ceramic,
• nonconductive,
• decorative,
• insoluble,
• advanced,
• liquid,
• sensitive,
• popular,
• opaque,
• difficult,
• top,
• standard,
• conventional,
• durable,
• thick,
• appropriate,
• alternative,
• clear,
• metal,
• polymeric,
• additional,
• optional,
• colored,
• optical,
• porous,
• specialized,
• synthetic,
• traditional,
• impervious,
• outer,
• resistant,
• overlying,
• abrasive,
• secondary,
• black,
• plastic,
• transparent,
• visible,
• thicker,
• corrosive,
• pearlescent,
• conductive,
• nonmetallic,
• nonstructural,
• interior,
• smooth,
• exterior,
• bituminous,
• reflective,
• preservative,
• new,
• special,
• common,
• specified,
• over,
• dark,
• tough,
• friendly,
• topical,
• waterproof,
• frictional,
• natural,
• architectural,
• industrial,
• color,
• chemical,
• glossy,
• internal,
• impermeable,
• refractory,
• wet,
• stubborn,
• functional,
• viscous,
• loose,
• expensive,
• hard,
• modern,
• slippery,
• magnetic,
• nontoxic,
• fine,
• biological,
• environmental,
• thermoplastic,
• unwanted,
• relevant,
• nonmagnetic,
• ordinary,
• supplementary,
• brittle,
• temporary,
• aesthetic,
• base,
• marine,
• soft,
• heavy,
• external,
• thin,
• inorganic,
• metallic,
• suitable,
• indoor,
• fragile,
• miscellaneous,

Simple categories matching impervious:

• subsoil,
• object,
• material,
• surface,
• concrete,
• layer,
• conveyance,
• area,
• covering,
• paint,
• clothing,
• envelope,
• flooring,
• formation,
• structure,
• land,
• catchment,
• cover,
• rock,
• fabric,
• construction,
• container,
• membrane,
• film,
• coating,
• tile,
• item,
• soil,
• substrate,
• receptacle,
• paving,
• nature,
• glove,
• stone,
• substance,