Pentra-Guard® (EXT)



Pentra-Guard® (EXT) is an eco-friendly, exterior sealer for concrete, masonry and stone surfaces. It seals and protects against dirt, grime, salt and oil damage while enhancing natural color and shine. This inorganic/organic hybrid Nano-Lithium® treatment creates a breathable, protective clear micro-film that is abrasion resistant and will not flake or peel. Pentra-Guard® (EXT) cures quickly and provides a hard, glossy, wet look finish to any exterior cementitious or inorganic stone surface. This low odor, non-yellowing, lithium-based solution is VOC compliant and easy to apply. 



• Enhances the color of concrete, masonry, and stone surfaces

• Provides premium “wet look” finish

• Adds durability and protection

• Rapidly cures with little-to-no-downtime

• Forms a protective microfilm that is breathable and will not peel or flake

• Can be reapplied or recoated without stripping

• Functions as anti-graffiti and stain protection for vertical and horizontal surfaces

• Reduces maintenance and cleaning costs 

• VOC compliant, may contribute to LEED points (IEQ credit)



Machine-troweled: 800-1000 ft² (19.6-24.5 m² per liter)

Broom-finished: 300-500 ft² (7.4-12.3 m² per liter)

*Coverage rate will vary with concrete porosity and environmental conditions. 

This product meets CSMA floor polish slip resistance requirements employing ASTM test method #D2047.

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