Recent content by mrtumble

Thanks for the reply catlad. Not sure what you mean by "pull the rubber to a point". The diameter of the inside rim excluding rubber is about 130-140mm but think it would be a job squeezing a 140mm pipe in. Even a 110mm pipe plus vent fitted in it wouldn't fill me with confidence. Reckon I might...

Hi all, found what looks like the begginings of a flat roof vent installation on bungalow extension. Just had a piece of slate and bricks on top. Thing is I can't find any info on the grommet/seal used and not sure how to finish it off. Felt all inside and doesn't seem to be any water ingress...