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-> Damp Proofing and Remedial problems |
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siraz
Senior Member
Joined: 02 May 2008
Posts: 299
Location: Lancashire
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 Posted: Mon May 18, 2009 5:40 pm Post subject: see damp on the ground floor, but not rising |
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Hi All,
I took a skirting board to fix my architrave and i noticed bit of wettness and i am concern it could be rising damp.
This is the Kitchen next to new extension, so i am not sure what is causing it.
What is the best way to cure it without breaking the plaster or using something like sovering pasting it just below the plaster on the brickwork. |
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ultimatehandyman
Site Admin
Joined: 16 Jul 2005
Posts: 14694
Location: Darwen, Lancashire
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| Posted: Mon May 18, 2009 8:11 pm Post subject: |
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Rising damp rarely looks wet like that!
That looks like penetrating damp, it could be getting in under the door.
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python
General Builder
Joined: 16 May 2009
Posts: 1540
Location: south west UK
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| Posted: Mon May 18, 2009 9:13 pm Post subject: |
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| the door seal looks good in the pics, do you have any plumbing in that area? |
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siraz
Senior Member
Joined: 02 May 2008
Posts: 299
Location: Lancashire
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| Posted: Tue May 19, 2009 12:33 pm Post subject: |
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| There is no plumbing. I need to check the silicon around the door, to see it is not come away, as this could be the fault. |
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python
General Builder
Joined: 16 May 2009
Posts: 1540
Location: south west UK
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| Posted: Tue May 19, 2009 5:40 pm Post subject: |
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| get a picture showing the extention roof, where it meets the original building. |
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siraz
Senior Member
Joined: 02 May 2008
Posts: 299
Location: Lancashire
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| Posted: Wed May 20, 2009 9:18 am Post subject: |
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Thank you for your reply
see further pictures. i hope the pictures are ok. |
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python
General Builder
Joined: 16 May 2009
Posts: 1540
Location: south west UK
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| Posted: Wed May 20, 2009 10:03 am Post subject: |
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| what I need to see is the actual point at which the new roof meets the old building. Your last picture, but from a ladder. |
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siraz
Senior Member
Joined: 02 May 2008
Posts: 299
Location: Lancashire
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| Posted: Wed May 20, 2009 11:36 am Post subject: |
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| Ok will take this picture in a day or two. |
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siraz
Senior Member
Joined: 02 May 2008
Posts: 299
Location: Lancashire
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| Posted: Wed May 20, 2009 3:09 pm Post subject: |
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| Please find further pictures. |
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mikew1972
Senior Member
Joined: 27 Jan 2008
Posts: 600
Location: North West
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| Posted: Wed May 20, 2009 3:20 pm Post subject: |
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The flashing is very poor and will leak sooner or later. It needs re-doing properly.
You have a broken tile which ideally needs replacing.
The most likely cause of the damp you have noticed is the door, especially where there is glass or a pannel missing which has been replaced with a taped on piece of bin bag. Thbe tape holding this bin bag in place is peeling off. Also check the door seal and the silicon bead around the frame.
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python
General Builder
Joined: 16 May 2009
Posts: 1540
Location: south west UK
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| Posted: Wed May 20, 2009 4:35 pm Post subject: |
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there's about three different areas that concern me.
What is the make-up of your temporary door repair? It seems fine from inside? Is water getting in there?
Below your door there is a large stone threshold. Both the silicone seal across the top of it looks like it wouldn't hurt do be redone, and the mortar joints to the left end of it also look to be faulty (this corresponds with an area that looks vulnerable in the first pics you posted from inside). I would give some attention to the whole area.
I thought the cause may have been from the area you have shown leadwork. (you would have probably have seen it on the other side of the (now) internal wall though) While I now expect the problem to be coming from the door, I think the leadwork is a cause for concern, and is something I would want to put on my to do list at the very least.
The idea of the lead is to break your wall into internal and external. It does this by making the upper part become part of the same waterproofing layer as your tiles, and everything below them (felt, inner wall etc) should be sealed from the weather by them. As you can see, your lead is not making them form a waterproof barrier. |
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thescruff
Senior Member
Joined: 10 Mar 2008
Posts: 16734
Location: Bath
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| Posted: Wed May 20, 2009 5:47 pm Post subject: |
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| mikew1972 wrote: |
The flashing is very poor and will leak sooner or later. It needs re-doing properly.
You have a broken tile which ideally needs replacing.
The most likely cause of the damp you have noticed is the door, especially where there is glass or a pannel missing which has been replaced with a taped on piece of bin bag. Thbe tape holding this bin bag in place is peeling off. Also check the door seal and the silicon bead around the frame. |
No mikew1972. 
The flashing will leak Guaranteed.
You haven't put any soakers in. 
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thescruff
Senior Member
Joined: 10 Mar 2008
Posts: 16734
Location: Bath
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| Posted: Wed May 20, 2009 5:59 pm Post subject: |
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See the top left there should be one of those on each tile.
It will be slightly different to the pic, a full tile size piece of lead on the top of the bottom tile, place the next tile in position and repeat up the roof.
The lead there at the moment is the cover flashing which goes over the soakers.
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siraz
Senior Member
Joined: 02 May 2008
Posts: 299
Location: Lancashire
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| Posted: Wed May 20, 2009 8:21 pm Post subject: |
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There is Soakers placed underneath the step flashing and the extension was built in August 2004.
I agree the step flashing done by the builder is not a Good job, as i saw Diy Video on this website and Scruff has just shown on the diagram, as this how it should of been done.
Why there is the bin bag is my wife locked me out, so i kick the panel down and the wife taped it with the bin bag. She complains i am workaholic, no time for her or the family.
I will be changing the whole double glazing door, as in winter it bend in the middle and summer when the sun is out it straighthens the door and i have the same problem on my front double glazing door, in winter it is drafty near the handle area due to concave shape. Double glazing company went bust, so my Guarantee went as well four season windows.
When i was taking the photograph, i did noticed the pointing is missing on the left near the step area and the silicon is wearing off. |
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python
General Builder
Joined: 16 May 2009
Posts: 1540
Location: south west UK
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| Posted: Wed May 20, 2009 9:05 pm Post subject: |
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| let us know what steps you take and if they are effective :) |
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