An ANSUL system is basically a fixed, wet chemical fire extinguisher. Instead of deploying it's agent through a hose like a portable extinguisher, it does so through fixed pip â¦ ework that supplies agent to nozzles placed above the appliances, within the plenum and the extract duct system.
To repair minor scratches, rub a white polishing compound on the area with a wool pad, then apply a countertop wax. For deeper scratches or cuts, call a professional. Figure labor costs at about $15 to $35 an hour. If you need to replace portions of the counter, figure at least $35 to $65 per square foot.
I'll cover how to polish the surface to a matte finish or a high gloss finish. Polishing concrete countertops gives you a very smooth, hard, dense surface that's easy to clean and maintain. There are a few different looks you can achieve when you polish a concrete countertop. You will need an orbital hand held sander or a hand polisher. You will also need wet diamond polishing pads from 50 grit to 3000 grit depending on the look you are trying to achieve.