Help with chimney pots

[ih]

Hi i am having roof clean of moss/algae also wanted chimney pots capped( chimney not used) just get
Mess in loft they can do the necessary but i need to have the material ready as they not roofing compay( not roofers) so any help in identifying what material are needed and the best way to cap the pots
Thanking in advance photo attached
Ih

 

[Alastairreid]

https://www.travisperkins.co.uk/chi...ilation-terminal-flue-vent-red-180mm/p/861625

 

[ih]

Hi Wow expensive exercise! Is it possible to remove the pots all together & cement the top?
Pardon my ignorance but heights scare me! Thanks

 

[Alastairreid]

There are less expensive versions to cap off unused vents...you can't seal them off as they still need vented.