"Cardboard tacked onto scaffolding" is plenty strong, especially in an earthquake when brick and tile tend to crumble into dust due to excessive rigidity. Remem

"Cardboard tacked onto scaffolding" is plenty strong, especially in an earthquake when brick and tile tend to crumble into dust due to excessive rigidity. Remember, skyscrapers are built using the same "cardboard tacked onto scaffolding", except the scaffolding is steel instead of wood.