Function Providing For The Aging Of The Building

WHEN we design and build a building we hope that it will last a very long time. Most buildings do. But as the months and years go by, every building changes. Its surfaces wear, weather, and gather dirt. They undergo such chemical changes as fading and corrosion. Components of the building fail and are replaced. The building is remodeled or renovated from time to time. Often a beautiful building grows less so as these changes take place. The same sorts of changes may cause another building to grow more beautiful and take on added character. Some buildings last only a short time; others last for centuries. What accounts

for these differences? Many of the reasons have to do with detailing.

Many of the detail patterns throughout this book have a profound effect on the rapidity with which a building ages, but there are three categories of detail patterns that relate specifically to managing the aging of a building. The first is a single pattern that defines an important principle in designing a building that will look good throughout its lifetime:

The second category relates to the need to maintain a building:

Repairable Surfaces (page 117) Cleanable Surfaces (page 118) Maintenance Access (page 119)

The third category includes four patterns that have to do with preventing building deterioration:

Dry Wood (page 120) Similar Metals (page 121) Ijcss Absorbent Materials (page 124) Building Armor (page 125)

Surfaces That Age Gracefully (page 116)

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