Hello,
The sealant between my boiler flue and chimney is crumbling. Should I remove the existing loose sealant and replace it with flue cement or totally remove the sealant and replace with flue cement? I've attached a link to a photo below.
Thanks,
Ryan
The sealant between my boiler flue and chimney is crumbling. Should I remove the existing loose sealant and replace it with flue cement or totally remove the sealant and replace with flue cement? I've attached a link to a photo below.
Thanks,
Ryan