Roof tiles not lying flat

We've removed moss from our cottage roof but some of the tiles aren't lying flat. They look a bit rustic and I think they're made of clay. Is this normal or do they need replacing?

Asked by angie on 6th Oct 2022
Expert Trade Answers
"It’s could be a case of baton damage or tile nails out of place or damaged tiles without having a site visit to inspect it there’s many different opinions on what it could be

Regards the apex team"
Answered on 6th Oct 2022 - Member since Mar 2021 - report
"No they just need refitted some of them proply havint been nailed so after time they kick up a bit"
Answered on 22nd Nov 2022 - Member since Jan 2019 - report
"Hello
Some tiles are naturally twisted if you have good spare ones you can change them, Or rob ones from low down gutter level and change with the ones seen higher up the roof.
Regards Iain"
Answered on 8th Dec 2022 - Member since Aug 2022 - report
"moss has a habit of rooting itself under tiles which eventually starts to dislodge
them. Once moss is removed they generally just need re-seating. Area should also
be treated to prevent reoccurrence."
Answered on 6th Oct 2022 - Member since Aug 2018 - report
"yes its normal but now you have removed the moss it will expose all the tiles to more damage and if they do not lay flat it means there will be a problem with the wood under them"
Answered on 1st Jan 2023 - Member since Dec 2022 - report
"It could be some mortar underneath or a broken timber batons"
Answered on 6th Oct 2022 - Member since Apr 2022 - report
"I expect where the moss has been growing it's pushed the tile from it's home.with clay there sort off inter lock.hennce y every tile got the corner sliced.good luck"
Answered on 6th Oct 2022 - Member since Jul 2022 - report
"It is normal at times yes but I would recommend new tiles in the near future"
Answered on 12th Nov 2022 - Member since Oct 2022 - report
"hi without looking couldn’t really tell you but probably need replacing thanks"
Answered on 6th Oct 2022 - Member since Oct 2022 - report
"May need replacing due to age and condition,
Or there is moss debris ect underneath between battern,"
Answered on 6th Oct 2022 - Member since May 2022 - report
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