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Why is my patio turning black?

My pergola and wooden fence, even rocks and stone are getting black residue. Is it mold?

By Diana Rohlman, PhD | Featured Question

Winter Storm Damage Checklist

After winter storms, check around your home and apartment for possible leaks that can lead to mold in the future.

By Susan Busler, | Article

Mold Control: Home Inspection Checklist

Guidelines for inspecting your home for sources of moisture and steps for control.

By Jeanne Brandt, Susan Busler, | Article

Latest News

Stay on top of moisture and insect damage or pay the price

Nov 8, 2017
An annual inspection helps keep house in top shape

By Kym Pokorny | News Story

Defects linked to benzopyrene exposure passed down generationally in zebrafish

Jun 13, 2017
Result sheds light on effects of chemical associated with air pollution

By Chris Branam | News Story

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Ask Us a Question

Why is my patio turning black?

My pergola and wooden fence, even rocks and stone are getting black residue. Is it mold?

By Diana Rohlman, PhD | Featured Question