thiambal
Member
- Messages
- 464
- Location
- Walmer, Kent
Another leaking roof problem I am afraid.
We have a victorian (style - 1903) terrace where the party walls extend about 12 inches above the roof level so that each house has its own seperate little roof. The original slate roof has been replaced with concrete tiles and there is lead flashing between the tiles and party wall. The top of the party all has then been rendered over - covering the flashing so I cannot see how or if it is cut into the bricks work.
I have noticed that internall at the bottom edge of the roof on one side adjacent to the party wall the joists are wet and there is a build up of fine soft dark coloured sediment. This has come to light after particularly heavy bout of wind and rain where the area has got so wet that the damp has spread to one of the first floor ceilings.
I have had the local roofing first out to look and say that they cannot see any obvious problems in this area of roof and cannot explain how the water is getting in. The chap said 'perhaps the motar in this area is a little porous'. The two suggested remedies are....
1) Strip the lead off and replace with lead that is cut into the wall (but due to the height of the wall I do not think this could be stepped)
2) Cover our side of the party wall and the lead work with some roofing felt (a la flat roof) bitumined on.
He said that the second option would be cheaper and likely to last as long as lead work!!?!!
I am a bit stuck what to do - and obviously only want to pay once for it to be done properly and without a visit from the Texans!
We have a victorian (style - 1903) terrace where the party walls extend about 12 inches above the roof level so that each house has its own seperate little roof. The original slate roof has been replaced with concrete tiles and there is lead flashing between the tiles and party wall. The top of the party all has then been rendered over - covering the flashing so I cannot see how or if it is cut into the bricks work.
I have noticed that internall at the bottom edge of the roof on one side adjacent to the party wall the joists are wet and there is a build up of fine soft dark coloured sediment. This has come to light after particularly heavy bout of wind and rain where the area has got so wet that the damp has spread to one of the first floor ceilings.
I have had the local roofing first out to look and say that they cannot see any obvious problems in this area of roof and cannot explain how the water is getting in. The chap said 'perhaps the motar in this area is a little porous'. The two suggested remedies are....
1) Strip the lead off and replace with lead that is cut into the wall (but due to the height of the wall I do not think this could be stepped)
2) Cover our side of the party wall and the lead work with some roofing felt (a la flat roof) bitumined on.
He said that the second option would be cheaper and likely to last as long as lead work!!?!!
I am a bit stuck what to do - and obviously only want to pay once for it to be done properly and without a visit from the Texans!