Problem with damp

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Discussion

HIS LM

Original Poster:

1,288 posts

259 months

Sunday 21st February 2010
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Hi guys,

What with the rain and floods this week I have a problem with water running down the stairs and damp walls has caused the paint to bubble. Does anyone have a similar problem and know the remedy.


mickrick

3,700 posts

173 months

Thursday 25th February 2010
quotequote all
Get yourself a decent de-humidifier, stick it in a corner, and leave it on.
You'll be gobsmacked how much water they pull out of the air!
The only other remedy with Spanish construction, is to knock it down, and build again properly!
I keep a de-humidifier going all the time in my 8 year old apartment.
I've just spent the last 4 years renovating an older property, and most of the time and money has gone into insulation, damproofing, and good windows.

P924

1,272 posts

182 months

Wednesday 10th March 2010
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My place is getting worse. Woke up on Saturday to two large puddles next to the patio doors (upstairs and downstairs). The water is now coming through the walls and ceiling.

cabbron

416 posts

217 months

Tuesday 23rd March 2010
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spanish construction-no damp proof course-as said either build it properly or stick tiles on the wall a metre up like the spanish do!

mickrick

3,700 posts

173 months

Wednesday 24th March 2010
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Here's what I did to my floors.

DPM.

Actis insulation, and hot water underfloor heating.

mickrick

3,700 posts

173 months

Wednesday 24th March 2010
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Before that, I did the roof.
I took the tiles off, put "Tela Asfaltica" more steel and cement onto that, then put the tiles back.
Then I put up a breathable "Techo Falso" (Put vents in from the outside every meter or so, and between the interior walls)inside, with insulation, including the Studding channels. Sealed all the gaps with expanding foam, Before putting up the "pladur".


Then of couse, decent rain guttering, and downpipes.


Edited by mickrick on Wednesday 24th March 14:10

mickrick

3,700 posts

173 months

Wednesday 24th March 2010
quotequote all
You can see in the previous post, how I drilled through to make the air cavity breathe, above the interior false ceilings.
I covered the holes with some fine mesh, to stop insects getting in, then nice little terracotta grills.



Edited by mickrick on Wednesday 24th March 14:15

scotty_dog

121 posts

204 months

Wednesday 24th March 2010
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We have a very old cortijo, with 1.5 metre thick stone walls.

All in all not too bad, but have some lovely furry mould patches, and some pretty white crystals forming in places!!

All I am doing is building some drainage channels around the base of the outside walls to stop the rain from pooling, and redoing the outer concrete facing.

Not much we can do about the dripping roofs!

The joys of living in a house with "character"

Scotty

scotty_dog

121 posts

204 months

Wednesday 24th March 2010
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Sorry for the slight hijack.

Mick, how do the terracotta tiles on the roof go together?

Do they just slot one on top of the other? any cement needed in between?

Am possibly looking to upgrade the roof.

Thanks

Scotty

mickrick

3,700 posts

173 months

Wednesday 24th March 2010
quotequote all
Hello Mr. Dog. Mmmm....nice thick stone walls!
The tiles are stuck. Some people use builders foam to stick them down, but I think it looks ugley if it oozes out from the edge oif the tile. I stuck mine down with "cola". You have to point up the ridge tiles anyway.
If you're going to re-do your roof, you should consider putting some insulation under the tiles (High density foam) and the tela asfaltica.
I insulated my roof inside, as I had to put up pladur anyway, as the ceilings where in bad shape.

Your comment about fur, and mildue....there is a product you can put into your walls, I think it's some kind of silicone. You drill holes in the wall, and attach a tube to a kind of drip feeder, and the liquid soaks into the wall, and waterproofs it.
I can find out a bit more information if you're interested?

Edited by mickrick on Tuesday 30th March 18:14

scotty_dog

121 posts

204 months

Sunday 28th March 2010
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Mickrick,

Re the wall silicone stuff, yes would be interested, anything to stop having to repaint them every year!

Luckily its only a couple of small areas, we have cured a good percentage of the damp.

With the horrible weather so far this year it seems everybody is struggling.

Thanks for your advice

Scotty

HIS LM

Original Poster:

1,288 posts

259 months

Sunday 28th March 2010
quotequote all
"Your comment about fur, and mildue....the re is a product you can put into your walls, I think it's some kind of silicone. You drill holes in the wall, and attach a tube to a kind of drip feeder, and the liquid soaks into the wall, and waterproofs it.
I can find out a bit more information if you're interested?"

I would like to know more about this too thanks

mickrick

3,700 posts

173 months

Tuesday 30th March 2010
quotequote all
Hi Guys, Evirotech injection fluid, I think is the stuff you need.
Have a look here http://www.sovchem.co.uk/
Hope this helps? If you try it, it would be good to post your experiences with it here. Maybe there's a market for offering this service in Spain! wink

Actually, just had a good read through the products list, and there are lots of different products, so probably best to contact them with your particular problem, and get some expert advice from them.

Edited by mickrick on Tuesday 30th March 18:21

HIS LM

Original Poster:

1,288 posts

259 months

Thursday 1st April 2010
quotequote all
I have received a quote for the work what do you guys think ?


Budget to carry out reform works on Penthouse in

Attn

Roof Terrace: to clean out mortar 802m repoint & repair cracks, walls and terrace with impermeable concho including the entrance to the terrace.

At two doorway entrances to remove marble treads repair secure and insert new marble.

Repair clean and paint all affected areas at top of stairs , in bedroom and near doors.

Total 1956 Euros
Plus IVA

Kneetrembler

2,069 posts

202 months

Thursday 1st April 2010
quotequote all
HIS LM said:
I have received a quote for the work what do you guys think ?


Budget to carry out reform works on Penthouse in

Attn

Roof Terrace: to clean out mortar 802m repoint & repair cracks, walls and terrace with impermeable concho including the entrance to the terrace.

At two doorway entrances to remove marble treads repair secure and insert new marble.

Repair clean and paint all affected areas at top of stairs , in bedroom and near doors.

Total 1956 Euros
Plus IVA
Sounds a pretty good quote,but it does say budget ?...........or that a fixed price?

HIS LM

Original Poster:

1,288 posts

259 months

Friday 2nd April 2010
quotequote all
No it says Budget so potential to increase, can anyone explain what impermeable concho is ?

mickrick

3,700 posts

173 months

Friday 2nd April 2010
quotequote all
Concho Impermiable, is basically a waterproof render.
If you have a tiled roof terrace, I would bet my bottom euro it doesn't have a membrane under the tiles?
I'd be looking at doing that, or laying a new terrace over the old one.
(That's what I did with the floors in my house. I dug up the old floor to lay new plumbing, and electrics, then layed the new DPM, insulation, etc. over the top.)
See also the picure above of my roof, that's Tela asfaltica (Joints are done with a blowtorch) with the steel re-enfocing mesh on top.

Those tiled rooftop terraces are always a PITA.

Bizzarre really, as I've been painting a tiled roof this morning, which has been leaking, on a garage I'm renting!
Been using a Sika product, which is a rubber type of paint.

Edited by mickrick on Friday 2nd April 16:40

Kneetrembler

2,069 posts

202 months

Saturday 3rd April 2010
quotequote all
mickrick said:
Concho Impermiable, is basically a waterproof render.
If you have a tiled roof terrace, I would bet my bottom euro it doesn't have a membrane under the tiles?
I'd be looking at doing that, or laying a new terrace over the old one.
(That's what I did with the floors in my house. I dug up the old floor to lay new plumbing, and electrics, then layed the new DPM, insulation, etc. over the top.)
See also the picure above of my roof, that's Tela asfaltica (Joints are done with a blowtorch) with the steel re-enfocing mesh on top.

Those tiled rooftop terraces are always a PITA.

Bizzarre really, as I've been painting a tiled roof this morning, which has been leaking, on a garage I'm renting!
Been using a Sika product, which is a rubber type of paint.

Edited by mickrick on Friday 2nd April 16:40
Sika & Sikkens are the top paints & sealers in my opinion and have used them for years, especially in sea front properties.

mickrick

3,700 posts

173 months

Sunday 4th April 2010
quotequote all
Managed to get a second coat on yesterday. Lucky, as it's raining Gato's Y Perro's right now. True to form for Semana Santa. rolleyes
The product is actually called Sikafill. Here....



Looks quite nice when it's down, but I'm not too sure how it would stand up to being walked on regularly.
Also comes in white, and grey colours.



As KT says, Sika products are very good quality. I use them all the time, being in the yachting buisiness.
This 20kg tub cost around 100 euro's. Certainly cheaper than re-grouting all the joints, if you're not going to be walking on it.

Kneetrembler

2,069 posts

202 months

Sunday 4th April 2010
quotequote all
mickrick said:
Managed to get a second coat on yesterday. Lucky, as it's raining Gato's Y Perro's right now. True to form for Semana Santa. rolleyes
The product is actually called Sikafill. Here....



Looks quite nice when it's down, but I'm not too sure how it would stand up to being walked on regularly.
Also comes in white, and grey colours.



As KT says, Sika products are very good quality. I use them all the time, being in the yachting buisiness.
This 20kg tub cost around 100 euro's. Certainly cheaper than re-grouting all the joints, if you're not going to be walking on it.
I also first encountered Sika products in building yachts & fitting out, some of the best there is.