Hello,
As mentioned in the title, we are building with Ytong to achieve KfW55 standard.
Now our construction company has offered to build with 36.5 cm (14 inches) Ytong blocks instead of 24 cm (9.5 inches) Ytong plus 12 cm (5 inches) of full thermal insulation.
Advantages according to the construction company:
1. All values for KfW55 are met just the same.
2. Fastenings on the exterior wall, e.g. satellite dish, awning, etc., would be much easier to install because it’s solid masonry directly, without soft insulation.
3. Our site manager considers the insulation a sort of "hazardous waste" from his point of view, as its production and disposal are quite energy-intensive...
Disadvantages: none?? Price-wise it would make no difference for us.
What do you think?
Especially point 2 appeals to me...
Point 3 is just a personal opinion and therefore secondary for now.
Thanks and best regards to everyone!
As mentioned in the title, we are building with Ytong to achieve KfW55 standard.
Now our construction company has offered to build with 36.5 cm (14 inches) Ytong blocks instead of 24 cm (9.5 inches) Ytong plus 12 cm (5 inches) of full thermal insulation.
Advantages according to the construction company:
1. All values for KfW55 are met just the same.
2. Fastenings on the exterior wall, e.g. satellite dish, awning, etc., would be much easier to install because it’s solid masonry directly, without soft insulation.
3. Our site manager considers the insulation a sort of "hazardous waste" from his point of view, as its production and disposal are quite energy-intensive...
Disadvantages: none?? Price-wise it would make no difference for us.
What do you think?
Especially point 2 appeals to me...
Point 3 is just a personal opinion and therefore secondary for now.
Thanks and best regards to everyone!
Nordlys schrieb:
Godzilla and the Invasion of the Woodpeckers....feathers flying everywhere, blood flowing, styrofoam splattering—what a film that would make! Oooo, a blockbuster in Dolby.In my mind, these are images similar to Godzilla vs. Mothra.
ETICS (External Thermal Insulation Composite Systems) last between 25 and 35 years when properly installed. However, based on what I have heard and seen from contractors and discussions with manufacturers, it is generally not recommended.
In most cases, it is difficult to find a company that installs them correctly. Additionally, the cost-to-benefit ratio is unclear. Secondary damage to the masonry, as well as future disposal and restoration costs, are especially unpredictable in the long term. In new builds, the entire house must be specifically designed and constructed for this system.
Today, homeowners in my area who built houses 30 years ago are paying up to 30,000 euros for façade renovation.
I could write a whole book on this topic. My general advice is to use natural insulation materials, which are increasingly available on the market, or to build with thicker walls. Wherever possible, avoid using hazardous waste materials derived from oil that are still combustible.
In most cases, it is difficult to find a company that installs them correctly. Additionally, the cost-to-benefit ratio is unclear. Secondary damage to the masonry, as well as future disposal and restoration costs, are especially unpredictable in the long term. In new builds, the entire house must be specifically designed and constructed for this system.
Today, homeowners in my area who built houses 30 years ago are paying up to 30,000 euros for façade renovation.
I could write a whole book on this topic. My general advice is to use natural insulation materials, which are increasingly available on the market, or to build with thicker walls. Wherever possible, avoid using hazardous waste materials derived from oil that are still combustible.
trantors schrieb:
I could write half a book here. Go ahead then.
K
Knallkörper27 Mar 2017 14:17ETICS is acceptable, as long as it is not meant for something more substantial.
Knallkörper schrieb:
ETICS is acceptable if it's not enough for something proper.Let me "spell out" External Thermal Insulation Composite System:
Thermal)
In the minds of insulation enthusiasts, it is something tangible and has only one dimension: temperature. In reality, it is a phenomenon incorporated in a medium with a physical state, which, besides temperature, also includes moisture.
Insulation)
Builds on the naive image of tangible thermal energy, which you can supposedly stop from crossing borders with barbed wire and shooting orders. And, of course, not to forget: "more is better."
Composite)
Simply sounds more academic than "sticking on," but basically means: gluing together directly without a separating layer.
System)
When things that don’t naturally belong together are nevertheless glued, you just pick one common parameter and add their coefficients to form a "whole." What were those who cancel sums called again?
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