Right. Modern construction standards, aiming to reduce energy usage, make it much easier to get serious water damage, and so necessitate spending more effort to

Right. Modern construction standards, aiming to reduce energy usage, make it much easier to get serious water damage, and so necessitate spending more effort towards waterproofing. Here's a good video illustrating what you're talking about: https://youtu.be/KBMMDY3LFAA?t=204 https://youtu.be/KBMMDY3LFAA?t=204 . If you had a leaky window like that with a house built today, you'd get mold and rot in no time.