Convergent Pentra-Guard (EXT) Exterior Concrete Sealer Hardener


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Convergent Pentra-Guard Exterior Concrete Sealer Hardener is specifically designed for protecting and preserving decorative and integrally colored concrete and masonry surfaces. Convergent 5 Gallon Pentra-Guard Exterior Concrete Sealer Hardener is a clear Micro Film Forming Hybrid organic / Organic Nano Lithium® that hardens, seals and protects against moisture damage and enhances the natural color of exposed aggregate, brick, slate, stone and stamped concrete. The unique treatment is extremely low VOC’s (less than 50 grams per liter), environmentally friendly and has a very low polymer/ammonia odor.

Whether your surface must tolerate significant foot traffic, abrasion, or chemicals, our advanced, versatile, exterior treatment offers high durability and bond strength; resists staining and dusting and withstands – UV, abrasion, chemical spills and heavy traffic. Pentra-Guard (EXT) dries to a very hard, glossy wet-look. This rapid curing, non-yellowing treatment provides long-lasting surface protection, beauty and easy maintenance for a wide range of masonry and concrete surfaces with little to no downtime. Perfect for protecting exposed aggregate, concrete, brick and stone pavers.

Additional information

Weight 45 lbs

5 gallons, 55 gallons, 275 gallons





Spec Sheets

Data / Specs:
Pentra-Guard (EXT) Data Sheet
PentraGuardEXT MSDS.pdf