Every MORE Surface Care product is formulated specifically for natural stone, ceramic & porcelain, grout and concrete surfaces. Avoid the industry standard of harsh sealers full of chemicals and explore MOREâs product line designed for safe, simple and effective use. Our Premium Stone Sealer is a water based formula created to deliver elite stain protection. The polymers in the formula bond within the pores of the stone and create a long-lasting, invisible barrier against oil and water based stains. For best use, surface should be dry and be between 50â to 80â (10â to 27â). Enjoy pro grade surface protection and improved air quality with a safer, more natural stone sealer.