flu seal

[Bry]

can you please advice me a product foam to seal flue holes when a new luu been fitted. This would replase cement as i think it is messy and time consumig

cheers bryan

 

[migoplumber]

fireproof expanding foam, followed by cement outside and plaster inside.

 

[Mackattak]

Don't use expanding foam.....you can damage the flue.

 

[REDSAW]

silicon.