No Stupid Questions@lemmy.world · 5 hours ago

Why do asbestos roofs have so much moss?

SubArcticTundra@lemmy.ml to

No Stupid Questions@lemmy.world · 5 hours ago

This goes for the corrugated sheets as well. Normal terracotta roofs don’t have this much moss/lichens.

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4 hours ago
Its called Eternit and it contains asbestos. Unlike terracotta it has a somewhat rough surface where water and biomass can get stuck.

Also terracotta tiles are often glazed.

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