Wondering what a French drain is? Is building one necessary? How exactly does it work? Water always flows downhill, and by the easiest route possible. That’s the basic concept behind a French drain, a slightly sloped trench filled with round gravel and a pipe that diverts water away from your house.

A professionally installed and maintained asphalt shingle roof can last up to 20 years. During those 20 years, the asphalt shingle roof will take a hammering from rain, wind, snow and heat, which can damage the shingles. It’s normal to see wear and tear. But how can you determine if your roof has aged naturally or if it has been damaged?