Viral flood videos on TikTok and social media reveal exactly where homes are most vulnerable to water intrusion. This guide identifies the five most common entry points where floodwater infiltrates residential structures, explains why traditional protection methods like sandbags and duct tape consistently fail, and provides a practical checklist for sealing doors, windows, garage entries, and foundation gaps using effective temporary flood barriers.

The 1862 California megaflood destroyed one-quarter of the state's property. Scientists warn another is overdue due to atmospheric rivers and climate change. This comprehensive guide teaches homeowners how to identify vulnerabilities, create layered defense strategies, and use modern solutions like FloodTape® to seal entry points before disaster strikes.