Stop cold drafts and dampness by sealing rim joists and penetrations in London, Ontario basements, improving comfort

https://hectorxjlv641.theburnward.com/seasonal-yard-drainage-tips-for-london-ontario-s-freeze-thaw-cycles-3

Stop cold drafts and dampness by sealing rim joists and penetrations in London, Ontario basements, improving comfort, energy efficiency, and moisture resistance.