Asphalt shingles aren’t the same product they were 20–30 years ago. Today’s shingles are built with better materials, stronger bonding,

A hot attic is usually a ventilation balance problem. Exhaust vents (like box vents or whirlybirds) can only remove hot

When water slows down or pools behind a chimney, it doesn’t just sit there—it works its way into the roof

A chimney diverter (also called a chimney cricket) is an inverted “V” structure built on the uphill side of a

In Maryland, wind-driven rain and heavy storms can push water sideways and upward. Roof-to-wall areas and chimneys are some of

Maryland homes commonly have rooflines with valleys (the inside “V” where two roof slopes meet) because so many local designs

If you are searching for a skylight guide, you have likely noticed leaks or visible warning signs around the unit

A roof leak around a pipe vent is most commonly caused by failed pipe flashing (also called a vent boot).

A roof leak where a wall meets the roof is often caused by failed step flashing (or missing/incorrect roof-to-wall flashing).

When water runs behind the gutter instead of into it, one of the most common causes is missing, improperly installed,