Plumber fitted new boiler recently and the new flue goes through a small pitched ground floor roof.
Is this a bad job or am I being overly critical. Moreover, not sure the use of sealant/mastic under the sheet metal is a long term solution.
Would value some opinions.
Is this a bad job or am I being overly critical. Moreover, not sure the use of sealant/mastic under the sheet metal is a long term solution.
Would value some opinions.