Definition - What does Penetrating Sealer mean?
A penetrating sealer is an economical, no sheen, water-based penetrating or impregnating sealer for all porous surfaces. Low viscosity primers have maximum penetration for porous substrate surfaces
such as concrete. If the concrete has become hard then the primer can be
diluted to reduce the viscosity for generous penetration into the hard
porous surface of the concrete.
Corrosionpedia explains Penetrating Sealer
There are various kinds of penetrating sealers available in the market such as silicates, silanes, siloxanes and siliconates that can easily penetrate into a concrete surface to form a chemical barrier that shields against moisture and harmful chemicals. Usually penetrating sealers provide invisible protection without changing the surface appearance and most products are breathable so they allow moisture vapor to escape from a porous surface. Penetrating sealers are most commonly used outdoors as they provide excellent protection against harsh environmental conditions.
Key features of penetrating sealers:
- Excellent stain protection
- May be used as a pre-grouting sealer
- Allows moisture vapor transmission
- No-sheen natural look
- Does not alter the slip resistance of sealed surfaces
- Easy to use
- Long lasting
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