Hello, we are currently in the planning phase for the construction of a detached single-family house in Owl. Now the question inevitably arises whether the exterior facade should be finished with a single-layer render with an external thermal insulation composite system (ETICS) or a two-layer facade with Dutch-style facing bricks. Our target is a KfW 70 energy standard. We had basically decided on bricks because they allow better breathability and I have not been particularly impressed with tightly sealed render facades so far, especially regarding maintenance. However, a builder recently told me that there are render facades that can last 30 years with the first coat of paint. Combined with an air-to-water heat pump and integrated mechanical ventilation, this would be acceptable. Additionally, the cost for a render facade is about 10,000 to 15,000 euros less than for a brick facade.
So, my question is: which ETICS setup is the most durable, not only considering the insulation material but also the render and paint? That also plays a significant role.
Thanks in advance for your answers....
So, my question is: which ETICS setup is the most durable, not only considering the insulation material but also the render and paint? That also plays a significant role.
Thanks in advance for your answers....
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derstefanm30 Jan 2015 14:23Monolithic construction with plaster is not really my preference; as I said, I prefer brick veneer. However, I was wondering about the alternatives and other methods. Brick slips are not an option for me. No one can guarantee that after just 10 years, with even the slightest imperfection and frost, the first “tiles” won’t start falling off the wall. I will probably have to save money elsewhere to avoid giving up on the brick veneer... and painting every 5-10 years? Then the initial savings quickly disappear.
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