This process is suitable for full & random exposure applications. Floor is smooth ground and finished with a sealer. Grind and seal is machine grinding to the desired exposure followed by a surface sealer of either acrylic, epoxy or polyurethane, giving the concrete a matt, satin or gloss look. A non slip option is also available for outdoor concrete surfaces where slippage mat occur such as ramps, walkways, pations or alfresco areas.
The following procedure is undertaken:
- Grind with 30 grit to desired exposure
- Grind with 60 grit to remove scratches
- Grind with 120 grit to remove fine scratches
- Thoroughly clean and apply a minimum of 2 coats of sealer
Some concrete when ground will require grouting to fill holes and imperfections in the surface resulting in a better overall look. These floors may require recoating in 3-4 years depending on the amount of trafiic and environmental exposure.