thermal insulation existing building

[gil]

are to ask you advice to improve the thermal insulation of an existing house.
the house has walls built with furnaces (comuni brick perforated); last summer the roof insulation was realized with ironing plates and walls with expanded polystyrene and then plastered.
now it is thought to eliminate the inner lining in plasterboard.

Do you think it is appropriate to replace plasterboard with other material, or the 30 cm wall + 3 cm of polystyrene/stirodur are enough already?

 

[maxopus]

are very important insulating thicknesses, the elimination of thermal bridges and the infixes.
keep in mind that in class buildings there are 20 cm thick coats and last-generation triple-glass fixtures.
on an existing building you will not be able to achieve excellent results but, surely you can halve thermal dispersions.

 

[gil]

Thank you.
I am aware that the current masses, are old and negatively affect the whole building. for those you will see in the future, perhaps next year.
this year reasoning is simply this. you have to remove the internal plasterboard, and clean up the created enclosure. since you have to put your hand, add an insulating of about 3 cm, it costs little. but I wonder: can you give some advantage especially in the winter months where the internal heating can avoid the thermal inertia of the walls, or is it money thrown?

a larger insulator cannot be put otherwise the interior spaces of the rooms are too reduced.

 

[maxopus]

something does... little though.
to the eye you should earn a 10% in terms of isolation.

 

[gil]

Thank you...

 

[gfrank]

are to ask you advice to improve the thermal insulation of an existing house.
the house has walls built with furnaces (comuni brick perforated); last summer the roof insulation was realized with ironing plates and walls with expanded polystyrene and then plastered.
now it is thought to eliminate the inner lining in plasterboard.

Do you think it is appropriate to replace plasterboard with other material, or the 30 cm wall + 3 cm of polystyrene/stirodur are enough already?

the internal insulating start, in some cases, can create serious interstitial condensation problems. steam barriers may be necessary. a careful hygrometric analysis of the structure is recommended, in order to avoid problems of mold...

 

[TETRASTORE]

Good morning to all, taking up this old discussion as the current situation requires to carefully evaluate every aspect of energy saving.

I refer in particular to the thermal insulation of my house (detached house built in bricks in 1975, without problems of condensation or mold and all the part very recent and efficient fixtures) for which the most thrown solution, but invasive and expensive, is the laying of an external coat.

looking on the internet, I found internal paints with thermal effect (sometimes called improperly insulating) that, according to reviews, would have positive effects also on the internal ambient temperature. Unfortunately, both for the coat and for the paints, I have only certifications of acquaintances, friends and relatives who express more or less positive opinions in both cases but in the face of very subjective feelings and opinions that, often, are imprecise or unsatisfactory.
Is there anyone who has data that allows comparison?

For example, for a solution that includes the outer coat, are there reliable sources that indicate the temperatures (relevated) in an internal environment before and after the intervention?
Thank you.

 

[PIETRO2002]

I don't know if it can help, the klimahouse company in Bolzano, from what I could read, it seems to me the most serious, maybe they have reliable data and can answer your questions.

 

[Vittorio]

I believe that @terastore refers to numbers/statistics provided by some meticulous users who have had the consistency/patience to verify the energy values spent, for their home, after the thermal improvement and to compare them with those preceding improvements.
would be a very truthful fact if there were also the possibility of comparing them with the external/internal thermal jump of the various periods analyzed
if we have patience my meticulous friend is doing this analysis having the data of the previous years of his home to compare with those that will collect in the next year with the benefit of the outer coat
would be an interesting and definitely reliable data

 

[TETRASTORE]

I believe that @tetrastore refers to numbers/statistics provided by some meticulous users who have had the constancy/patience to verify the energy values spent, for their home, after the thermal improvement and compare them with those preceding the improvements.
would be a very truthful fact if there were also the possibility of comparing them with the external/internal thermal jump of the various periods analyzed

That's right. the direct experience confirmed by real data is the most reliable one, as manufacturers tend to enhance the characteristics of their products and those who make the laying sometimes does not have the necessary skills to perform it correctly so, in addition to the initial cost, it is necessary to take into account also the emergence of possible future problems identified in this document from page 68 to 78 - evaluation of the durability of an etics system (thermal plug).
As regards thermal paints, I have This otherconsumption document, but I am doubtful about the methods of testing performed.

we still expect confident the outcome of the reliefs of the friend of @vittorio. grazie.

 

[Vittorio]

just start the cold season.. I'll start bombarding him with questions.
has a cottage years late 70 with traditional heating system and radiators in cast iron, double glazing last generation pvc locks, 12cm coat and heat pump hooked to 20kw photovoltaic with battery storage, improvements executed with 110%
However, an optimistic figure has already emerged during this summer dog season.
found that, with the air conditioner switched off at night and with windows and closed doors, at the next morning (about 7 hours) that room had dispersed just over 1st.
as single data is certainly not reliable, but surely comforting.