Inspect the basement for any damp spots, especially in corners. If you catch these areas early, a little waterproofing compound will usually do the trick. Wrap your cold-water pipes with foam rubber insulation. Keep basement windows in good order. Consider window-well covers to keep out leaves and rain.
Flashing is where a roof or wall meets a chimney or skylight.
Check the seals in these areas to see if they re secure. Replace individual shingles when worn or loose. Use wire screening to keep insects and birds from nesting in roof ventilation areas. Lubricate garage door hardware and hinges. Fill and seal driveway cracks when necessary.