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[Help] Penetrative Damp



ady1973

Active member
Jul 27, 2008
360
New Milton
Need help with any Painters/Damp specialised
I have Penetrative damp on our 1930s house.(gable end)
I have been quoted £7000 to carry out the work which means re-painting in secoflex.
I thinking if this can be carried out alot cheaper with Kingfisher weatherflex paint.
Does anyone have experience in these products or any other products on the market, you would suggest for this type of Damp.
Many thanks
 






Blue&WhiteSea

Well-known member
Jul 5, 2003
834
Sutton
Had a similar problem and had the external wall (front and side elevation) patched and re-rendered with ewipro coloured silicone render, inside plaster removed and replaced for £5k (including the cost of scaffolding)
 










golddene

Well-known member
Jul 28, 2012
2,019
Not sure if this is any assistance but…
I suspected we had a minimal damp problem in our 1960s built bungalow, the north facing second bedroom although seldom used always appeared to feel damp, after Mrs G had put a couple of those damp attracting cartons which contained some sort of chemical balls, she found they had contained water after being placed in a wardrobe in the room for a couple of weeks. I found no problem with the damp course so assumed it unlikely to be rising damp. The cavity walls had been insulated some time in the past with some sort of insulation which may have been wicking, allowing transference from the outer brick wall to the inner brick and block wall so to hopefully alleviate this possible problem I purchased a 20 litre tub of ‘Stormdry masonry cream’ which is painted over the outer facings of the exterior brickwork and mortar, this leaves the brickwork with an appearance of being painted with yoghurt which over a couple of hours soaks into the surface and after a few days, in our case, disappeared, leaving the brickwork unchanged in appearance but is supposed to, according to the literature ‘water proof whilst still allowing the brickwork to breathe’ something to do with water molecules being larger than air molecules so air can pass where water cannot !! I finished the job of painting this cream on all our exterior walls which were subject to outside weather, this included two gable ends, and 24 hours after finishing this project the current wet weather period began, this was after weeks of dry weather, so hopefully was the correct time to carry out the job as the walls were completely dry prior to treating. I will purchase a couple more of the damp attracting chemical tray things and test it out when this current wet spell ends to see if there’s any difference?.
Not sure if this will be of use to the op as this cream should be used over unpainted surfaces but may help others who have damp problems.
Just seen the above post which was not there before I started typing! (My bad, one finger on an iPad so not the quickest)
 


Wardy's twin

Well-known member
Oct 21, 2014
8,867
Need help with any Painters/Damp specialised
I have Penetrative damp on our 1930s house.(gable end)
I have been quoted £7000 to carry out the work which means re-painting in secoflex.
I thinking if this can be carried out alot cheaper with Kingfisher weatherflex paint.
Does anyone have experience in these products or any other products on the market, you would suggest for this type of Damp.
Many thanks
have you checked whether the cavity is block?
 








ady1973

Active member
Jul 27, 2008
360
New Milton
Thank-you all for helping out. I had a 2nd company come round and they quoted £2500, using the same sort of material. But had lots of better reviews on Check-a-trade then the 1st...just shows it pays to shop-a-round.
 




Dick Swiveller

Well-known member
Sep 9, 2011
9,524
It's a common problem and you can buy them discretely from Amazon.

Capture.PNG
 


Thank-you all for helping out. I had a 2nd company come round and they quoted £2500, using the same sort of material. But had lots of better reviews on Check-a-trade then the 1st...just shows it pays to shop-a-round.
That's great - can you give them an advertisement?
 




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