DAMP

The Homebrew Forum

Help Support The Homebrew Forum:

This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.

CoxyBoy123

Regular.
Joined
Dec 4, 2012
Messages
306
Reaction score
1
The vein of my life!!!

Anyone got any experience with it? line of work etc?
 
where you getting it , walls ceiling floor , concrete , brick wall etc , often it is water/rain etc getting in from broken guttering and so on or is simply a vent is required to allow air in and moisture out . Can you give details .
 
Hi, only the usual, plenty of ventilation, wash the mould with bleach etc! You can hire damp proofing machines with fluid, but it's not an easy job (lots of hole drilling for a start)! Someone else on here might have better ideas. Good luck.
 
pittsy said:
where you getting it , walls ceiling floor , concrete , brick wall etc , often it is water/rain etc getting in from broken guttering and so on or is simply a vent is required to allow air in and moisture out . Can you give details .

Well I have an old stone house (used to be offices, should never of been converted I have decided) there is one part which is an open stone wall just opposite the bathroom (underground). The corner is damp, I am ok with that as there is nothing on the overside of the corner (its underneath a stair case if that makes sense) so that will go when it warms up.

To the left of my front door (externally and its a north facing wall). Above a window and around the wall is holding moisture, no visible signs on open stone wall on iside.

I am just wondering why its holding the wall. Only noticed it this winter (been there two years ) so I am assuming it is just with the bad weather. about 30cm up the wall there is a little effloresence before the damp starts above.

Not too worried, just had a damp guy round before who was the biggest ******** of a salesmen I have ever met (am one myself) try to bull me
 
wezil said:
Hi, only the usual, plenty of ventilation, wash the mould with bleach etc! You can hire damp proofing machines with fluid, but it's not an easy job (lots of hole drilling for a start)! Someone else on here might have better ideas. Good luck.

Yes, well the company I work for, the Technical Director used to manufacture these creams and he says they dont guarantee stopping damp and I really dont believe in rising damp
 
Any other info, where, what sort ie brown marks/lines on wall, black mould, inside or outside wall, what sort of property.
 
sounds like a bit of unibond on the wall after bleaching it first would do it if it's just a bit , in an ideal world you would put a damp proof membrane between the stone wall and the inside wall and underground should of been lined with membrane then rendered inside before plastering , sounds like this hasn't been done well or not at all , just check no pipes , guttering or drainage from bathroom and outside isn't constantly dripping onto areas , that is often what the problem is . If it was me i would just unibond and paint over and keep your eye on it in a few months (if months damp proofing poor , if weeks then water leaking etc somehow) see if it returns .
 
Sounds more like condensation than damp. Is there any black mould oe ventilation in the area.
Any ventilation to bathroom? Doubt it is rising damp and don`t believe in these "injected damp courses"
as there is usually a simpler/cheaper solution. Just a way of making money in my opinion.
 
pittsy said:
sounds like a bit of unibond on the wall after bleaching it first would do it if it's just a bit , in an ideal world you would put a damp proof membrane between the stone wall and the inside wall and underground should of been lined with membrane then rendered inside before plastering , sounds like this hasn't been done well or not at all , just check no pipes , guttering or drainage from bathroom and outside isn't constantly dripping onto areas , that is often what the problem is . If it was me i would just unibond and paint over and keep your eye on it in a few months (if months damp proofing poor , if weeks then water leaking etc somehow) see if it returns .

Aye, was planning on leaving it over the summer anyway.

The hardest bit is, is its all stone, inside and out. So I cant tank it (which I have done in the basement) as the whole house looses its character
 
djvc said:
Sounds more like condensation than damp. Is there any black mould oe ventilation in the area.
Any ventilation to bathroom? Doubt it is rising damp and don`t believe in these "injected damp courses"
as there is usually a simpler/cheaper solution. Just a way of making money in my opinion.

I completely agree, hopefully we will have a good summer!
 
I have damp and mould in every single room in my (council rented) house except the kitchen. I had a council surveyor out who said it was all caused by having no door on the kitchen :hmm: (a way of them saying they are not going to do anything about it). I do the normal wash with bleach and washing powder to remove the mould, but each winter it comes back worse and worse. I have a feeling it's because the house is so cold in the winter as it only has single glazing and any heating that gets put on is instantly lost out the window.

If anyone has any ideas on how to get rid of it for good, I'd love to hear about it.
 
Duncs said:
I have damp and mould in every single room in my (council rented) house except the kitchen. I had a council surveyor out who said it was all caused by having no door on the kitchen :hmm: (a way of them saying they are not going to do anything about it). I do the normal wash with bleach and washing powder to remove the mould, but each winter it comes back worse and worse. I have a feeling it's because the house is so cold in the winter as it only has single glazing and any heating that gets put on is instantly lost out the window.

If anyone has any ideas on how to get rid of it for good, I'd love to hear about it.

I quite regularly got it on the ceiling of my bathroom. Last year put a coat of thompsons anti condesation paint and its not come back to massive degree.

However, the moisture has moved on I think to the corner of the stone wall as mentioned above
 
Duncs said:
I have damp and mould in every single room in my (council rented) house except the kitchen. I had a council surveyor out who said it was all caused by having no door on the kitchen :hmm: (a way of them saying they are not going to do anything about it). I do the normal wash with bleach and washing powder to remove the mould, but each winter it comes back worse and worse. I have a feeling it's because the house is so cold in the winter as it only has single glazing and any heating that gets put on is instantly lost out the window.

If anyone has any ideas on how to get rid of it for good, I'd love to hear about it.

The mould is caused by warm air/steam meeting with a cold surface causing condensation. One way to improve it is to clean as you have been doing but then ensuring good ventilation to the kitchen and then trying to "warm" the cold surfaces. One way is to line the walls with a "polystyrene" type lining available from diy stores before then painting/papering over the top. This has the effect of warming the surfaces.
 
Although I don't have this problem I am trying to prevent it happening.
We have 60cm thick walls made from granite lumps.
I'm drying lining with plasterboard but between the plasterboard and the stone I am putting insulation against the wall And then a damp break/membrane before the plasterboard.

The idea is to reduce the cold bridge and keep the damp from entering the plasterboard.
 
We had mould in our living room and eventually after complaining to the landlord for months, we gave up and sorted it our selves, we thoroughly cleaned the problem area with bleach, kept the heating on full for 48 hours to make sure that it was properly dry, painted a slightly watered down PVA glue solution over the whole area and then painted it a few days later, has been fine for a bit over a year now...
 
My problem is external wall is holding rain water, i.e left side of door you can see the mortar is wet. Right side of door the mortar is dry
 
CoxyBoy123 said:
My problem is external wall is holding rain water, i.e left side of door you can see the mortar is wet. Right side of door the mortar is dry
yep need to sort guttering or drain pipes , it may be just moss and crap blocking it up
 
This isnt from guttering I believe, it is way too far away.

Its slowing starting to dry in the sun :) then will probably apply a breathable sealer
 
I had a few bad patches on my previous house, I spent hours painting it with watered down pva on numerous occasions but it always came back. I think I pinned it down to very old double glazing in the end. The window didn't quite fit properly and was getting in from the outside of the whole frame. A quick fix with some sealant all the way around was needed, followed by a move (house was too small for my growing family anyway).
 
Back
Top