09/01/2026
Historic buildings are full of details that depend on one another.
The roof helps shed water. Flashing protects transitions. Masonry, windows, and joints all have their own jobs too. When one part begins to struggle, the effects can sometimes show up somewhere else on the building.
That is why preservation is about more than fixing the most obvious spot. It means understanding how the entire exterior works together.
Swipe through for a simple look at the different parts of a historic building envelope and why those connections matter.