
Roofs
Those black streaks on your roof are alive
The dark stripes running down a roof are algae, not dirt or asphalt wear. Here's why blasting them is the wrong answer and what a soft wash does instead.
Recent4 min read
From the truck
What all that black streaking actually is, and when it's worth washing.

The dark stripes running down a roof are algae, not dirt or asphalt wear. Here's why blasting them is the wrong answer and what a soft wash does instead.

Concrete can take pressure. Your siding and shingles usually can't. A quick guide to which surfaces get which treatment, and why it matters.

A green-streaked house reads as neglected before anyone walks inside. What a day of washing does to a first impression on the way to a sale.
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