Pressure Washer

Old 10-10-14, 03:06 AM
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Pressure Washer

I want to clean the brick on my house & also the stone patio. If I buy a 2800 PSI, will that suffice? Or, am I better off renting a 4000 PSI/?
Old 10-10-14, 04:51 AM
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2800 should suffice, what are you trying to clean off, and how high are you trying to reach? 2nd story? For simple freshening up of the brick and stone, a simple gas powered 2800 psi will do fine. If you are trying to get off dried mortar or washing the eaves of a 2 story, you may need a little more power. They make extension poles for assistance getting up to the 2nd story.
Old 10-10-14, 04:59 AM
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IMO a weaker PWer is better than a stronger one. Too much pressure can cause damage either to the substrate or by forcing water where it doesn't belong. I prefer to let whatever chemical [s] is appropriate for the job do most of the work and use the PWer for rinsing. TSP is a good detergent for cleaning masonry, add bleach if there is mildew. Personally I'm not overly fond of the wand extensions as they can be difficult to control - I'd rather use a ladder.

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