Sila-Tek 3500 is the most advanced concrete densifier available. This clear penetrating sealer not only densifies and hardens concrete making it up to 50% stronger, but it is the go to choice to harden and prime basements and driveways. It is also an excellent choice for polishing concrete.

California residents: see   Proposition 65 information

• Increases abrasion resistance and strengthens concrete up to 0.50, UV resistant, reduction of dirt pick-up
• Reduces risk of efflorescence, protection against micro-organism growth, effective penetration depth
• Seals pores and capillaries while remaining breathable, no change in appearance of the substrate; the treated surface does not become glossy, tack free, durable finish
• No formation of harmful by-products, no VOCΓÇÖs, supplied concentrated, makes 5 gal.
• Easy to apply
• Online price includes PaintCare fee in the following states: CA, CO, CT, ME, MN, OR, RI, VT