The kitchen extension roof in question is part over hung by the thatched roof of the main building a stone cottage. The thatch is less than a foot above the flat roof so no hot work is permissable on the flat roof.
The extension is single brick walls, the roof timber planks across joists. Seems to be a single layer of blueish grey felt. From the under side it is obvious that pitch has been used to glue the felt down as it has run through gaps and knot holes onto the joists.
A disused brick chimney comes through the flat roof and one face of the brick work below the roof is saturated. It would appear that the felt to chimney seal has failed on that face or there is a hole in the felt ( non obvious ) close to the chimney. No apparent flashing on the chimney.
Replacement of the thatch is planned for 2013 or there abouts when the flat roof will be fully accessible and a new roof with insulation will be fitted.
One suggestion ( from a non roofer ) was to use a cold curing or two part resin in the area around the chimney as a temporary seal. This would seem to be a way to get a temporary seal but is there a better way ?.
The extension is single brick walls, the roof timber planks across joists. Seems to be a single layer of blueish grey felt. From the under side it is obvious that pitch has been used to glue the felt down as it has run through gaps and knot holes onto the joists.
A disused brick chimney comes through the flat roof and one face of the brick work below the roof is saturated. It would appear that the felt to chimney seal has failed on that face or there is a hole in the felt ( non obvious ) close to the chimney. No apparent flashing on the chimney.
Replacement of the thatch is planned for 2013 or there abouts when the flat roof will be fully accessible and a new roof with insulation will be fitted.
One suggestion ( from a non roofer ) was to use a cold curing or two part resin in the area around the chimney as a temporary seal. This would seem to be a way to get a temporary seal but is there a better way ?.