Ventilation and air sealing solve different problems. Understanding the difference can help homeowners avoid trying to fix attic moisture or winter roof…

Ice dams are not just a gutter problem. Heat escaping into the attic can melt roof snow, which refreezes at colder roof…

Overflowing gutters can come from clogs, poor slope, blocked downspouts or too much roof runoff entering one section. Here is what homeowners…

Roof valleys carry concentrated runoff from two roof slopes. Debris, damaged shingles and flashing problems can make this area more vulnerable to…

Finding roof granules in a gutter does not automatically mean your roof is failing. Here is how to judge the pattern and…

Flashing manages water where a roof meets walls, chimneys, skylights and other penetrations. Small defects can create leaks far from the obvious…

A cool roof reflects more sunlight and releases absorbed heat more effectively. That can reduce roof temperature, but climate and the rest…

Not every roof problem starts outside. Moisture moving into the attic can damage sheathing and insulation and contribute to durability problems.

Storm preparation is easier before wind and rain arrive. These roof-related checks can help homeowners spot vulnerable areas without climbing onto the…

Roof damage is not always caused by one giant hailstone. IBHS research is examining how repeated smaller hail can reduce the future…