Exterior/Interior. Alkali-resistant sealer that conditions the surface ready for the Resene paint system. Suitable for use on brickwork, chalky and powdery surfaces, concrete tiles, fibre cement, fibrous plaster, plasterboard, plaster, stucco and timber. Lower odour than traditional solvent borne sealers. Upgrades the performance of plasterboard finishing compounds in wet areas. Any Resene painting system may be applied over ReseneSureseal. Excellent flow over the most porous of surfaces.