Ribons On Slate Roofs

175 years or more.

Ribons on slate roofs.

Vermont and new york slates. 60 to 90 years. This may be the time to consider replacement. Slate from different mines has different average slate roof life expectancies with proper installation and regular maintenance.

Slate split from a block are holed and trimmed in such a manner that the ribbon occurs on the top end of the slate thus hidden from view once they are installed on a roof. Of the interior 1922 famed geologist oliver bowles declared that the ribbons were of no consequence to the longevity of the. Other factors in roof longevity. Slate roofs are a critical design feature of many historic buildings that cannot be duplicated using substitute materials.

In the technology of slate bulletin 28 dept. Slates with diagonal or striped inclusions of varying colors or ribbon slates include products with a very long life expectancy and other ribbon slates that are or were a low priced slate with soft inclusions short life and leaks. 100 to 200 years. 125 to 175 years.

A ribbon slate roof is not necessarily a bad thing as the quality of some ribbon slates is better than others. Often the ribbons are diagonal depending on how the slate was quarried. Slate roofs can and should be maintained and repaired to effectively extend their serviceable lives. At a certain point in the life of a ribbon slate roof the slates may start to break at a faster than normal rate.

What are ribbon slates and do they wear out faster than other slate roofs. References about slate roof durability at least among home inspectors and some slate books claim that ribbon slates were inferior and likely to have a shorter life due to.