Ribons On Slate Roofs

60 to 90 years.

Ribons on slate roofs.

Often the ribbons are diagonal depending on how the slate was quarried. Of the interior 1922 famed geologist oliver bowles declared that the ribbons were of no consequence to the longevity of the. A ribbon slate roof is not necessarily a bad thing as the quality of some ribbon slates is better than others. 125 to 175 years.

At a certain point in the life of a ribbon slate roof the slates may start to break at a faster than normal rate. 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. Pennsylvania or ribbon slates. When replacement is necessary details contributing to the appearance of the roof should be retained.

What are ribbon slates and do they wear out faster than other slate roofs. Ribbon slate is roofing slate with linear colors running in stripes through the slate material. 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. 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.

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. 175 years or more. Vermont and new york slates.

This may be the time to consider replacement. 100 to 200 years.