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Lifespan
They have been known to last 175 years or more- depends on the experience of the installers and the quality of the slate tile.
Poor Installation
Most roofing contractors know very little about slate roofs because they have never installed them, but that doesn't stop them from trying .
They have been known to last 175 years or more- depends on the experience of the installers and the quality of the slate tile.
Poor Installation
Most roofing contractors know very little about slate roofs because they have never installed them, but that doesn't stop them from trying .
Slate Roofs Require an Expert to Install for Several Reasons:
Because slate tiles can’t be walked on, roof scaffolding must be used. Slate tiles that are walked on may break apart immediately or 5 to 10 years later- giving rise to a roof that does not shed water. Those who want a slate roof should get proof of the roofer’s expertise with slate as well as learn a little about the process themselves so they can oversee the project. Also, the roof must be structured to handle the heavy weight (800 to 1,500 lbs. per 100 sq. feet) or roof collapse at some point will befall the inhabitants.
Installation Costs
The cost of slate roofing tile is about 1,000 to 4,000 per square which makes it 5 to 7 times as expensive as an asphalt shingled roof.