penetrating concrete sealer

penetrating concrete sealer: герметизирующий состав значительной проникающей способности (для бетона)

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Concrete sealers — are coatings applied to concrete to protect it from corrosion. They either block the pores in the concrete to reduce absorption of water and salts or form an impermeable layer which prevents such materials from passing.[1] Extensive research from … Wikipedia
Protection of exposed concrete — is necessary to prolong its service life. A 120 year design life for concrete infrastructure has become increasingly common. Without early preventive maintenance this design life target may be optimistic. The design service life of reinforced… … Wikipedia

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