Meeting planner for Washington, District of Columbia and Mexico City, Mexico. To schedule a conference call or plan a meeting at the best time for both parties, you should try between 10:00 AM and 5:00 PM your time in Washington, DC. That will end up being between 9:00 AM and 4:00 PM in Mexico City, Mexico.
Power Washing. When used properly, power washing can keep your paving in top condition. But if used incorrectly, it can ruin the paving especially high pressure water jet by removing the jointing material and disturb the blocks bed surface.Firstly sweep the area with a stiff brush to remove any loose material on the surface.asic Cleaning. photo courtesy of pavingexpert.com. The simplest and safest way to clean paving is to scrub it with soapy water. Do not use acid or acid based cleaners. Using a stiff brush, with rough, thick bristles, scrub to loosen any surface detritus. Wash off any loosened dirt with clean water.
2. Do NOT pressure wash your roof. Read http://roofcoatingscam.com/is-it-safe-to-pressure-wash-a-roof/ to find out why and the damage it can cause. Effectively, the only way to safely clean your roof and the tiles on it is to use a 6 trowel and wire brush and do it manually by hand. Pressure washing can erode the concrete tiles or penetrate through into the felt below and cause flooding in the roof space. 3. Refurbish your roof. After you wash your roof and let it dry, you may want to take additional steps to protect and rejuvenate the surface. 1  Buffing: In time, tile produces a chalky deposit on its surface. 2  This is called efflorescence, and is caused by a natural chemical reaction in manufactured concrete.