This video shows me testing the vapour barrier when we did a job late last year. A primer for the vapour barrier is recommended if you are going to glue down over the top of a surface that not sound and should also be used if its cold. It sticks very well sometimes too well if you let it touch itself you have to throw it away as you just won’t get it apart.
Without knowing anything about my roof, how do I know if cold or warm? House built in 1920 and previous owners have no clue as to what I am asking. They only know that it was re flashed 10 years ago, and on flat roofs, not much to re flash so not sure what they are saying.
Can you confirm whether (in order to meet building regs) lead flashing is required over the top of the up stands? I noticed in a video you used the term ‘self terminate’? Also, should the ‘fleece’ be cut into the wall as you would normally see with lead flashing?