Heavier - Clay roof tiles or concrete?


A

Adrian C

Roofer came to fix a few leaking clay tiles on our original 1932 roof.
Chatting to him about doing a new roof, his advice was to stick with the
old tiles as the new red concrete tiles (fitted by all our neighbours)
were heavy enough to cause eventual structual damage to joists and walls
of the house. Anyone concur with this?
 
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A

Adrian C

Tony said:
What sort of concrete tiles - lots of reroofing is done with Redland
49's or similar, about 12"x8" and although each tile is obviously
heavier than small plain tiles the overall weight is significantly
less. They are though much heavier than slates which is why you
often see sagging where tiles have been used to replace slates with
no thought of strengthening the roof.
Thanks for the info. Yep, it's those 12"x8" tiles. We will keep the old
roof, hasn't majorly let us down as yet :)
 

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