After a detailed research walsh exposed natural slate including cupa 3 to different weather conditions.
Slate roofing faqs.
Hire the best slate roof installers in los angeles ca on homeadvisor.
A quote from the national slate association states for regular slate with a weight of 700 750 lbs.
Softer s2 or s3 slates may last about 55 years to 100 years.
Consequently not all homes have the structural support necessary to take the weight of a slate roof and often additional reinforcement needs to be installed.
The region where it was quarried determines the life expectancy of roofing slate.
As a result geologist emphasizes natural slate durability to last over a century.
Get quotes book instantly.
Walsh highlights that natural slates have a service life of greater than 100 years.
Natural slate is the most durable roofing material.
One of the drawbacks of slate for some homeowners is the heavy weight of slate roofing tiles which can be between 800 1 500 pounds per square 100 square feet.
Any roofing construction that conforms to good engineering practice and is suitable for other roofing material is adequate.
Harder slates can conceivably last centuries on a properly maintained roof.
Here are a few more facts about slate.
Natural cleavage allows slate to be split in one direction with the length running in the direction of the grain.