A red brick driveway lend style to the entryway to your home . Over time , Ca deposits may take form on red brick from changeless exposure to H2O from sprinkler and rainfall . While the window pane in rain typically removes some Ca deposit , red cadaver brick has a gamy acidity resistor , and you may find your driveway taking on a ashen hue . Cleaning with a power automatic washer or a hose alone will not remove the calcium deposit . You call for an acid - based solution to withdraw calcium deposits from a red brick driveway . apply a mild battery-acid - based solution of vinegar and water or a tough , chemical solution — such as TSP , trisodium inorganic phosphate — for stubborn calcium bank deposit .
Step 1
Spray the brick drive with a 3,000 psi or less power washer to remove loose dirt . A low psi office washer will remove topical dirt without disturb the mortar and will not etch the brick .
Step 2
Put on protective gloves and clothing before you mix in the cleaning solution . wear out protective eyewear and a masque to protect you from squelch .
Step 3
merge 2 cups of white distilled vinegar with 2 gal of spicy water in a pail .
Step 4
Spray the brick driveway with the hose to thoroughly wet the paving .
Step 5
flush the brick aerofoil with the vinegar and water solution using a fuddled bristle brush .
Step 6
Step 7
gargle the driveway with unobjectionable water .
TSP Solution
Wash away dirt and stain from the brick with a low power 3,000 psi power washer .
Put on protective vesture , boxing glove , eyewear and a mask before you mix the chemical cleansing solution .
Mix 2 cups of TSP with 2 gallon of spicy water in a bucketful . Use a credit card bucketful rather than alloy with this chemical answer to prevent any adverse chemical substance reactions .

Rinse the brick with the garden hosiery .
Scrub the cerise brick with the TSP and water solution with a starchy bristle brush . A bristle brush will not tease the mortar between the brick the style a wire brush will .
Rinse the bricks with sporting urine .