Hello,
I am considering buying a house from 1924 with an extension from 1999.
The extension has a wooden frame and the exterior walls are externally insulated with mineral wool insulation. Outside there is a reinforced render.
I have seen an inspection report from 2002 when the house was last sold. The report states that the execution of the window and threshold flashings in the extension is done in a non-approved way, allowing water to penetrate the wall under the windows and potentially damage the underlying wooden framework. Additionally, the base sheet in the extension does not cover the entire width of the sill, and there is also a warning that this might be a moisture issue.
The main building (render on brick) seems to be in quite good condition; it's mostly the extension that worries me.
Having read so much about moisture problems with render on foam insulation, could the same apply to render on mineral wool insulation? Does anyone have an opinion on whether the construction with a wooden frame, mineral wool insulation, and render combined with the construction errors mentioned in the inspection report makes it likely that I will have moisture problems in the extension?
I really like the house and am willing to make some repairs (e.g., sealing window flashings, etc.) but I am not prepared to reconstruct the facade of the extension.
I am considering buying a house from 1924 with an extension from 1999.
The extension has a wooden frame and the exterior walls are externally insulated with mineral wool insulation. Outside there is a reinforced render.
I have seen an inspection report from 2002 when the house was last sold. The report states that the execution of the window and threshold flashings in the extension is done in a non-approved way, allowing water to penetrate the wall under the windows and potentially damage the underlying wooden framework. Additionally, the base sheet in the extension does not cover the entire width of the sill, and there is also a warning that this might be a moisture issue.
The main building (render on brick) seems to be in quite good condition; it's mostly the extension that worries me.
Having read so much about moisture problems with render on foam insulation, could the same apply to render on mineral wool insulation? Does anyone have an opinion on whether the construction with a wooden frame, mineral wool insulation, and render combined with the construction errors mentioned in the inspection report makes it likely that I will have moisture problems in the extension?
I really like the house and am willing to make some repairs (e.g., sealing window flashings, etc.) but I am not prepared to reconstruct the facade of the extension.
Hello, welcome to byggahus....
2 things that strike me are.
1: Why sell the house after less than 4 years?? (Moisture, mold problems)
2: Surely you don't buy a house just by looking at an old inspection report??
You can save and probably haggle a lot if you bring in an inspector. It costs between 6-8,000 but you should see it as if you don't buy the house, you probably save a hell of a lot of money...
2 things that strike me are.
1: Why sell the house after less than 4 years?? (Moisture, mold problems)
2: Surely you don't buy a house just by looking at an old inspection report??
You can save and probably haggle a lot if you bring in an inspector. It costs between 6-8,000 but you should see it as if you don't buy the house, you probably save a hell of a lot of money...
Six years, I guess. There's nothing strange about that. There are those who move after one year.
If it is reinforced thick plaster on mineral wool, it is considered a safe and proven construction.teani said:
You need to address the mistakes at the windows, etc.