Here's a common sight when I'm walking a roof inspecting. Roof boots with cracked seals. Although your shingles may be rated for 25+ years, the roof boots tend to last far shorter. The ones in these pictures are on a 16 year old house and have probably already been cracked for years. I've seen them beginning to split as early as 7 years depending on sun exposure. Luckily, having these boots replaced is generally inexpensive. Next time you have your gutters cleaned, consider a