planning:thermal_protection:integrated_thermal_protection
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planning:thermal_protection:integrated_thermal_protection [2017/11/30 17:29] – [See also] kdreimane | planning:thermal_protection:integrated_thermal_protection [2021/06/11 15:28] (current) – [See also] nsukhija | ||
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The table graphically demonstrates that: | The table graphically demonstrates that: | ||
* Building envelope areas with reasonable component thicknesses are only possible if the insulating effect is mostly achieved with good insulating material. | * Building envelope areas with reasonable component thicknesses are only possible if the insulating effect is mostly achieved with good insulating material. | ||
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* All materials listed in the lower part of the table are ideal for this. Combined structures with other building materials are possible, and in some cases necessary: e.g. a concrete wall insulated on the outside, or a monolithic wall consisting of porous concrete and mineral foam insulation panels. The lower the thermal conductivity of the insulation material used is, the thinner the superstructures will be. | * All materials listed in the lower part of the table are ideal for this. Combined structures with other building materials are possible, and in some cases necessary: e.g. a concrete wall insulated on the outside, or a monolithic wall consisting of porous concrete and mineral foam insulation panels. The lower the thermal conductivity of the insulation material used is, the thinner the superstructures will be. | ||
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The values for a typical wall of an old building, which is not even poorly insulated, are given in the first row. The occupants will spend about € 644 each year just to compensate for the heat losses through 100 m² of this wall. Applying insulation according to the Passive House standard, heat losses will decrease by a factor of 10; the annual costs for the energy loss through the external wall are reduced to less than 64 €/year. This means: | The values for a typical wall of an old building, which is not even poorly insulated, are given in the first row. The occupants will spend about € 644 each year just to compensate for the heat losses through 100 m² of this wall. Applying insulation according to the Passive House standard, heat losses will decrease by a factor of 10; the annual costs for the energy loss through the external wall are reduced to less than 64 €/year. This means: | ||
- | |€ 580 savings in heating costs every year!| | + | **€ 580 savings in heating costs every year!** |
What should be done in order to achieve these savings? | What should be done in order to achieve these savings? | ||
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//Our suggestion//: | //Our suggestion//: | ||
* Wait until it's time to repaint the external wall or repair the plaster – it won't be too long unless you’ve already just done it. The scaffolding and for painting the facade will end up costing you around € 2,500, an investment you will have to make anyways. | * Wait until it's time to repaint the external wall or repair the plaster – it won't be too long unless you’ve already just done it. The scaffolding and for painting the facade will end up costing you around € 2,500, an investment you will have to make anyways. | ||
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* Next, you should ask your bank for a mortgage loan which you can pay off in instalments of 580€/yr including interest and repayment, over a period of 20 years. | * Next, you should ask your bank for a mortgage loan which you can pay off in instalments of 580€/yr including interest and repayment, over a period of 20 years. | ||
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Existing Passive Houses illustrate that thicker layers of insulation required for conventional insulation materials can easily be realised: | Existing Passive Houses illustrate that thicker layers of insulation required for conventional insulation materials can easily be realised: | ||
* Most constructions provide **plenty of space for insulation**. | * Most constructions provide **plenty of space for insulation**. | ||
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* Thicker layers of insulation are easy to handle; applying them required hardly more effort than that needed for thinner layers, provided that it is applied properly. | * Thicker layers of insulation are easy to handle; applying them required hardly more effort than that needed for thinner layers, provided that it is applied properly. | ||
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* Passive-House-suitable components for building envelopes are available for **all types of constructions**. | * Passive-House-suitable components for building envelopes are available for **all types of constructions**. | ||
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* Measurements in completed Passive Houses have shown that the insulation effect of "thick insulation layers" | * Measurements in completed Passive Houses have shown that the insulation effect of "thick insulation layers" | ||
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===== Multimedia ===== | ===== Multimedia ===== | ||
[[http:// | [[http:// |
planning/thermal_protection/integrated_thermal_protection.1512059350.txt.gz · Last modified: 2017/11/30 17:29 by kdreimane