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 is not normally needed with block paving if it is regularly maintained. But sometimes if your block paving does need cleaning and the dirt and grime is heavy then jet washing your paving does make cleaning of the paved area easier and quicker than having to scrub the paving with a broom.ressure washing block paving should be used to gently clean and rinse the paving rather than used to blast the paving clean.
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.