Pentra-Pel (SI)


Pentra-Pel (SI) is a penetrating lithium stain guard designed for interior or exterior concrete, stone and masonry surfaces. This product creates a protective barrier that resists staining. It densifies, seals, and repels while maintaing breathability and doesn’t alter the appearance of the substrate. Pentra-Pel (SI) is easy to use and is VOC compliant. Learn more with ATC today!

SiRE Li Patented Technologies by Advan

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  • Provides a protective barrier that resists staining
  • Hardens, densifies and seals
  • Uses patented Silicone Reactive Lithium chemistry (Sir®Li)
  • Creates an abrasion resistant surface
  • Protects polished concrete without forming a film
  • Helps prevent freeze-thaw damage
  • Repels water, oil and stains
  • Preserves natural look of the substrate
  • Performs well on natural stone
  • Breathable: allows interior moisture to escape without damaging sealer
  • VOC compliant, may contribute to LEED points (IEQ credit)
  • Extremely hydrophobic formulation
  • Water-based formula


Application MethodSprayer and microfiber pad
ColorOpaque, dries clear
Coverage RatePolished concrete: 800-1000 ft² per gallon (19.6-24.5 m² per liter)
Machine-troweled: 600-800 ft² per gallon (14.7-19.6 m² per liter)
Broom-finished: 250-350 ft² per gallon (6.1-8.6 m² per liter)
Freeze Point32 ºF (0 ºC)
OdorSlight to none
Shelf LifePart A: 1 year in unopened, sealed container
Part B: 1 year in unopened, sealed container
Once mixed, use within one week
Specific Gravity1.01
Total Solids13.1%
VOC Content<50g/L
SizePart No.Full Pallet Qty
1 Gallon JugCCT-090-1126
5 Gallon PailCCT-090-535
55 Gallon DrumCCT-090-554
275 Gallon ToteCCT-090-2751

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