What to use to clean concrete before sealing?

What to use to clean concrete before sealing?

Scrub the floor with trisodium phosphate (TSP) and water. Then collect the remaining water with a shop vacuum. Let it dry for at least 24 hours before applying the new concrete floor sealer.

Is a 1400 psi power washer good?

With a psi of 1,400, this pressure washer is about the lowest power washer on the market. But at least the price is commensurate with the power level, and the machine does have a few good points.

Can you pressure wash an engine?

Using a pressure washer, lower the pressure a bit to avoid blasting water into the electrical components. If you can't adjust the pressure, be sure to hold the wand further from the engine. Spray away all of the cleaner and residue until the engine is as clean as possible.

Is 2000 psi enough to clean deck?

For cleaning a wooden deck, you'll be best served by using the lowest pressure setting that's still effective. For soft woods like cedar or pine, this is usually about 500 to 600 psi. For harder woods, it can go up to 1200 to 1500 psi. Choose the right tip to use as well.

Can you pressure wash pressure treated wood?

Decks made of pressure-treated wood are generally okay, too, assuming you don't hold the nozzle too close. ... Not all decks need to be cleaned with a pressure washer. Newer composite decks from brands such as TimberTech and Trex often resist deep staining in the first place and can be cleaned with a light scrubbing.