Lithi-Tek 4500 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 the go to choice to harden and prime basements and driveways. It is also an excellent choice for polishing concrete.
Warehouses and industrial facilities
Use as a primer prior to application of Lithi-Tek 9500, Siloxa-Tek 8500, Siloxa-Tek 8505 or Siloxa-Tek 8510
Not for use on: Polished concrete/extremely smooth concrete surfaces OR Bricks, concrete blocks/cinderblocks