Benefits > Increases life > Slide show > 6
Exposed surfaces, which dry quickly, remain sound.
Covered surfaces, where moisture lingers, are most challenged.
Exposed surfaces of better slates* well-withstand normal exposure to water, where it can strike and run free. Surfaces remain hard and sound with many years of life remaining.
Covered surfaces, those that are forced to remain wet, grow soft and weak. Nail holes can give way.
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Lake District |
Welsh |
Vermont |
* Learn why different types of slate can show different aging patterns.