Your home · 1 guide

Power Washing: problems and fixes, explained by Doug

Doug Steel is the only power washing member of BNI Preston Center. These guides are written for a Dallas–Fort Worth reader who has the problem right now: what is happening, what to check, when to call, and what it costs.

October 13, 2026 · 8 min read Your stone has turned green and black: what is growing on your house and how to remove it The limestone that made you buy the house has gone dark on the shady side and the patio is slick after rain. Here is what is actually growing there, why a rented pressure washer can ruin the surface, and how a soft wash removes it without damage. The house looked white when you bought itWhat is growing on your house and why it likes North TexasWhat you can safely check and do yourselfWhen it can wait, and when it should not

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