Pentra-Sil® (HDS)



Pentra-Sil® (HDS) is a specially engineered penetrating hardener, densifier and

sealer for polished concrete. It is highly effective for colored, dyed or acid stained cementitious surfaces. With color shielding and efflorescence control, this unique densifier substantially enhances color depth, increases abrasion resistance, heightens and prolongs gloss and protects against water and contaminants. Pentra-Sil® (HDS) minimizes salt damage, is easy to use, and is VOC compliant.


• High solids formula improves polishing results

• Enhances and protects dyed, stained and integrally colored concrete

• Hardens, densifies, and dust-proofs

• Easy-to-use, no rinsing required

• Defends against water, stains, and harmful substances

• Breathable–allows interior moisture to escape without damaging sealer

• Penetrates--no film to lift or peel off

• Protects against salt and freeze/thaw damage

• Reduces efflorescence and surface sweating

• Does not contribute to surface ASR or promote crazing

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


600-800 ft² per gallon (14.7-19.6 m² per liter)

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


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