Urban basements flood when aging city drainage systems can't handle intense rainfall and storm runoff. This guide explains why urban homes face higher flood risk due to impervious surfaces, outdated infrastructure, and changing precipitation patterns, then provides practical solutions for sealing basement entry points to prevent water damage.

The 1964 Christmas Flood devastated the Pacific Northwest, and similar risks persist today. This comprehensive guide examines the historic disaster, why atmospheric rivers continue threatening homes, and practical flood protection strategies including modern alternatives to sandbags. Learn how to prepare your home with FloodTape and emergency checklists before the next flood warning arrives.