Whats happened here?

[Roger440]

On the new (quite old) house, there was a leak in the dormer window area. We knew this as its obviously been like it some time.

 

Getting up to look what the issue is, ive found that the lead has eroded away. To the point of a split.

 

Would i be correct in presuming that this is not actually lead?

 

 

[makie]

It is lead, the split in picture 3 is because it is longer than 1.5 (probably not even code 4 based on the holes from run off water)

Edited November 6, 2022 by makie

[Roger440]

2 minutes ago, makie said:

It is lead, the split in picture 3 is because it is longer than 1.5 (probably not even code 4 based on the holes from run off water)

 

Thanks

 

What should it be? Code 5?

 

Yes, you are right, that run is probably 3-3.5 meters.

 

Cant say im surprised. Main issue is finding someone to fix it properly. Ive properly bodged it for now.

 

There are other issues, like the eaves being completely boxed in and minimal airflow. But i understand and can fix those. 

[makie]

Code 5 is the best for valleys but you can use code 4, just don't expect it to last as long.

For the affected areas if you really can't find anyone to repair or redo you could cut a line and slip a new bit of lead in. If you do I recommend 8 inches lap on the slit upwards and 8 inches past the last hole etc.

[Roger440]

1 minute ago, makie said:

Code 5 is the best for valleys but you can use code 4, just don't expect it to last as long.

For the affected areas if you really can't find anyone to repair or redo you could cut a line and slip a new bit of lead in. If you do I recommend 8 inches lap on the slit upwards and 8 inches past the last hole etc.

 

Sorry, but im not sure what you mean?

 

Cut a line where?

 

Surely i need to be removing all the tiles?

[makie]

5 minutes ago, Roger440 said:

 

Sorry, but im not sure what you mean?

 

Cut a line where?

 

Surely i need to be removing all the tiles?

 

You may be able to swing the slates, depending on if they are double nailed etc. Would remove the need to strip big sections.

https://www.youtube.com/watch?v=or37dqQ1owM  This video will show you what I mean.

To ensure all slates are nailed yes. Depending on the area or need for a quick repair you could use a lead tingle and some glue to hold it down.

 

[Roger440]

46 minutes ago, makie said:

 

You may be able to swing the slates, depending on if they are double nailed etc. Would remove the need to strip big sections.

https://www.youtube.com/watch?v=or37dqQ1owM  This video will show you what I mean.

To ensure all slates are nailed yes. Depending on the area or need for a quick repair you could use a lead tingle and some glue to hold it down.

 

 

That was very useful. Thanks .

 

Ive seen some of vids, but not that one.

 

I dont follow what you mean on the tingle repair. I understand it for holding tiles, but for a valley repair?

 

[makie]

34 minutes ago, Roger440 said:

 

That was very useful. Thanks .

 

Ive seen some of vids, but not that one.

 

I dont follow what you mean on the tingle repair. I understand it for holding tiles, but for a valley repair?

 

 

You would use them to repair any slates removed to fix the valley, if you didn't fully strip the area