Plastering & Rendering

Lots of Horizontal lines above each other appearing on plastered walls

Anonymous user 23/02/2024 - 3.03 PM

Hi, I wonder if anyone can help me. I can't seem to find any photos or information on what is happening to my walls in my home. I moved into this house which was built in 1969 just 2 years ago. We spent a lot of money getting the severley blistered and cracked walls back to a good standard. Only to find that in January after a weekend of freezing weather our newly plastered wall had horizontal lines appear on it. It started at ground level and they go up to about 5-6 ft. We also have this happening on the wall which is above the stairs. We also have what looks like chunks are missing on the walls, also bubbles, mud cracks. The walls have all gone very, very dry to touch and you can even see it. Stranger so, it looks like its gone back to how it was before we moved in . In places you can see the colour paint that was originally on the wall before we painted it. Our newly fitted doors are also getting ruined with small hard lumps on. Also, all the architrave is going ripply and bumpy. Have you ever come across this before in your line of work. We think it might be due to the fact that the house needs some roof vents fitted. It is a council house and I found out that in 2008 tenants were complaining of condensation when the homes were fitted with radiators. They were built with the old gas blow air system. So with it being an old house I believe it needs to breath. Because I told the council about the coldness in the house, they removed the ridge vent off my roof. So since Oct last year I have no ventilation what so ever. I would be very grateful for any advice as I am getting no help from the council and it was basically our life savings we put into this house which is already a mess. From Oct to April we have severe condensation on windows even though we ventilate and do everything by the book, etc. So we wipe them down, and open all the windows until the humidity as reached 60%. Our bedding is damp and all of our clothing/ My sons leather jacket has a lot of leather is flaking to bits,as is our furniture starting to blister and crack. The house is very cold and we have to have the heating on 14 hours a day in winter just for the house to still be cold. The windows and front door are streaming with water some nights around 7pm before we even go to bed. It is making me severley ill and costing us a lot with heating bills. All the money that we put into making the house decent is now going down the drain. I have repeatedly told the housing now for 18 months and they keep saying it is our style of living. It is not. We are the only ones around here having to wipe our windows down every morning, we always use extractor fans and shut doors behind us, we never dry washing in the house,etc. The humidity in the house reads between 70-85 during the winter and in the summer it is extremely hot and himid and our bedding is still damp

Wayne T Goulding plastering Lime plastering Inc

Rating: 4.9 out of 5

4.9/5338 reviews

Rotherham

Its down to ventilation. houses these days are built to keep heat in I personal dont think its healthy only on the fuel bill. It sounds like its from with in the property and the moisture is not getting out. bubbles on plaster is down to moisture and any damp is known to have salt marks on it the bubbles break like fresh baked bread crust. I would get some more vents installed and any blocked fire places re vent them

Answered5 July 2016

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Anonymous user

The humidity level inside the house is a factor that can greatly influence the health of the family, so it is important to pay special attention to it. Especially in the seasons prone to allergies and viruses, it is recommended to control the humidity, because in this case the temperature and humidity play a crucial role in preventing, improving and curing them. Sometimes, for the same reason, the moisture in the wall does not leave salts on the surface and its action is limited only to the staining of the painting. This defect disappears as the masonry dries. »If the moisture on the walls is maintained in summer and winter and lasts for several years, this proves that the humidity comes from a permanent source and the phenomenon is called dampness. If there is no water installation near the moisture stains, which could be one of the causes, the permanent source is the soil moisture. The cause of dampness in this case is the lack of water-repellent insulation, which allows the earth to pass through the pores of the masonry and maintain the permanent moisture of the wall. »Moisture, which occurs only in winter and especially at the bottom of the outer corners of the room, is due to condensation of steam from the room on the cold parts of the walls. In this case, no repairs are necessary, but only a good heating and ventilation of the room.

Answered30 December 2021

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