Add Yahoo as a preferred source to see more of our stories on Google. Flashing refers to thin sheets of material installed around a home's exterior to prevent water from seeping inside. Helping to ...

Shed water the right way with properly installed roof flashing.

Q: I have a small house, and it needs a new roof. I can’t afford to hire a roofer. My house has shingles on it, and I can walk on the roof with little difficulty. I’ve never installed roof shingles.