Impregnating Sealer are type of penetrating sealer that penetrate deeply into material, saturating it with molecules forming capillaries within. These capillary pores repel water, oils and other liquid from entering the material.
Impregnating Sealers are silanes (inorganic compound) or modifies silanes. Some of the modified silane sealers penetrate deep enough, thus protecting the stone or marble against salt attach such as efflorescence, spilling, picture framing and freeze-thaw spelling. Some silane stone sealers based on nanotechnology claim to be UV resistant with higher pH levels found in new masonry and pointing.
Impregnating Sealers are said to the best sealer option especially for flooring purpose.
Impregnating sealers are hydrophobic in nature i.e. water or liquid repellent. These Impregnating sealers are further available in different levels or degress i.e. varying degree of chemicals which is very technical part. A home owners need not really get into technical part. These different levels are termed as hydrophobic, super-hydrophobic and ultra-hydrophobic.
Impregnating sealer cannot prevent marble or limestone from being etched by acidic solutions like wine or soft drinks. These sealers are designed to reduce the absorption of stains but cannot provide complete protection to the exposed surface.
Impregnating Sealers are available for RS.25 per square feet to Rs.45 per square feet.