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Questions tagged [insulation]

For questions about thermal insulation used to reduce the rate of heat transfer. Can be used for buildings, people (e.g. clothing) or other applications where it is desirable to maintain a higher or lower temperature than the surroundings.

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7 answers
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Does insulating homes make sense as a carbon footprint reduction strategy if no thermostats are installed?

Does insulating homes make sense as a carbon footprint reduction strategy if no thermostats are installed? In Russia, we generally don't have them. If heat built up thanks to better insulation, people ...
Sergey Zolotarev's user avatar
1 vote
1 answer
48 views

What is the best way to insulate block walls?

I am building a block building for a slaughterhouse and I was thinking about filling the block with sand for insulation. My goal is to be able to keep the rooms as cool as possible was wondering if ...
Eldon Ross's user avatar
2 votes
1 answer
97 views

Solutions to increase roof insulation with raised tie trusses

My house has raised tie trusses: This means that on the second floor the central part of the ceiling is flat, but near the long walls it is slanted. The trusses are 2x6 timber construction, meaning ...
LShaver's user avatar
  • 11.9k
2 votes
1 answer
36 views

Meta-campaigns for sustainable building management?

(Sorry if this is the wrong place to ask this. I considered politics--maybe that is better.) I have seen various groups that try to set up small campaigns targeted at individual organizations to ...
capet's user avatar
  • 743
1 vote
1 answer
123 views

What is the most economical and convenient inner insulation for winters?

The purpose is to reduce heating costs as much as possible in winters, where the temperature rarely drops below -5 degrees Celsius (23 F) at nights and 0 degree Celsius (32 F) daytime. To me, internal ...
Xfce4's user avatar
  • 175
3 votes
1 answer
4k views

Is it possible to use sand for heat insulation at walls?

This question is most probably meaningful when there is a lot of area to build a single house. The main purpose is to keep the heat inside in winters, where it rarely drops below -5 degrees Celsius. ...
Xfce4's user avatar
  • 175
2 votes
1 answer
39 views

Can window films be fully removed from a window?

I live in the Pacific Northwest which has seen some serious heat waves this summer, so now I'm looking for more ways to keep cool. Aside from air-conditioning, I'm interested in passive techniques to ...
Nic's user avatar
  • 2,899
4 votes
1 answer
180 views

How effective are shrink plastic insulation kits for residential windows?

I live in an older home with windows that build up frost in the winter, which indicates they aren't insulated very well. I am thinking of installing kits like these over the windows: However, before ...
LShaver's user avatar
  • 11.9k
2 votes
1 answer
85 views

Calculating U values - Am I doing it correctly?

I have recently moved into a property that needs refurbishment and insulation. It has late 60s - early 70s cavity walls. I wanted to work out what the current U value is across the property and what ...
MrNorm's user avatar
  • 123
2 votes
1 answer
59 views

Can I insulate my refrigerator to improve efficiency?

Any "reasonable" methods would be appreciated. I have heard that this can be done but I'm dubious that it would do much. Maybe if I put polyethylene on the right bits?
capet's user avatar
  • 743
5 votes
1 answer
76 views

Should I close vents to unused rooms?

It’s 40°C at dusk during a summer heat wave. My electric utility is threatening blackouts and begging people to conserve. I have a couple unused rooms in a detached suburban house that don’t need air ...
Spencer Joplin's user avatar
8 votes
1 answer
94 views

Are building certificates under EU Directive 2002/91/EC, such as EPC, Energieausweis, DPE, directly comparable between EU countries?

Implementing Directive 2002/91/EC, the UK have the Energy Performance Certificate (EPC), Belgium has the Energieprestatiecertificaat (EPC), Germany has Energieausweis, France has Diagnostic de ...
gerrit's user avatar
  • 2,649
6 votes
2 answers
128 views

Insulating against unwanted conductive heat

I live on the ground floor of a block of flats (apartments) in London, UK. Below me (basement / -1 level) is the block’s communal boiler providing hot water for the taps and hot water for the ...
Dave's user avatar
  • 61
1 vote
1 answer
166 views

Safe weather tape for insulating windows

I just purchased weather tape for my windows, but after seeing a proposition 65 warning label of carcinogenic materials on the package I intend to return it due to safety reasons. The warning is ...
user3985's user avatar
5 votes
1 answer
299 views

Choice between Expanded or Extruded Polystyrene Insulation Boards

Am living in Lahore, Pakistan, and these days in process of my house construction. Note, here locally we have concrete flat roofs. Summer time maximum temperature upto 50C, and in winters minimum ...
Omar S Chaudhry's user avatar
5 votes
1 answer
80 views

Which Loft Insulation Type is best for the top floor of a three story house?

I have a three story detached house which uses a lot of energy, particularly in the winter. I'm looking to insulate the loft but I'm not sure which kind of insulation to go with. Glass wool seems like ...
Monis Tairel's user avatar
8 votes
3 answers
1k views

What's the optimal glass separation for secondary glazing?

We've bought a huge Georgian B&B in the UK. It has vast single-glazed windows. The house is not listed however we want to retain as much fabric as possible. Therefore we are looking at secondary ...
Cheeseminer's user avatar
9 votes
3 answers
6k views

Would it be possible to recycle all plastic into bricks and use them for building or insulation?

I've had this idea for a few years and wonder if it would be feasible. Rather than simply recycling bottles and bags in blue bins, if there could be a way to melt down all types of plastic and mold ...
tyler's user avatar
  • 91
4 votes
1 answer
3k views

Repurposing polystyrene packaging material as ceiling insulation; safety and techniques

I'm aware there are fire safety and other regulations that ensure the various types of ceiling insulation on the market are safe to use. If I was to cut unwanted polystyrene packaging material into a ...
Highly Irregular's user avatar
6 votes
1 answer
204 views

MVHR no longer the ventilation of choice in some Nordic countries?

We've covered Mechanical Ventilation with Heat Recovery (MVHR) before here, and it's been the ventilation method of choice for Passivhaus buildings for many years. But I heard something interesting ...
410 gone's user avatar
  • 14.7k
13 votes
6 answers
29k views

Aerogel as home insulation?

I see that www.buyaerogel.com has begun to offer various insulating blankets, though it seems targeted for industrial use rather than consumer use. Does this aerogel look like a suitable technology ...
Highly Irregular's user avatar
9 votes
4 answers
204 views

Retrofitting insulation in a 4-storey home. Top down or bottom up?

I'm faced with the prospect of wanting to improve the insulation of a 4-storey Victorian (c1890) house in the UK that has solid stone walls and a top floor that is within the non-insulated roof space. ...
Cheeseminer's user avatar
10 votes
1 answer
51k views

Is Using Blankets to Insulate Doors and Windows Effective?

Are heavy blankets effective insulation when used over drafty windows as curtains or when hung in doors to shut off an unused space? Is it more effective to seal the windows with plastic?
Daniel Bingham's user avatar
5 votes
1 answer
331 views

What needs to be done to reuse newspapers for insulation?

I seen a couple of shows that were pointing newspaper as a very good insulator, that attracted my interest so I was wondering if any of you have any input on this?
user503413's user avatar
10 votes
1 answer
124 views

How do the criteria for 'best' building insulation change depending on context?

Following on from the question Sheep wool as insulation? , where I started my answer with: Is it one of the best natural insulators? Well, that would depend on your definition of best. and the OP ...
410 gone's user avatar
  • 14.7k
7 votes
2 answers
636 views

Sheep wool as insulation?

Where I am living, there are a lot of sheep, hence enough wool to go around for everybody. I saw a show at some point stating that sheep wool is one of the best natural insulates for homes. Is this ...
user503413's user avatar
8 votes
4 answers
3k views

What is the sustainable house insulation suitable for a very hot climate?

In my country the maximum temperature reaches to 50 degree Celsius. Normally it is a dry weather but only for two months, July and August very humid. On the other hand, in winter it is very cold for ...
DataMiner's user avatar
  • 447
21 votes
8 answers
22k views

What is the most sustainable house insulation suitable for a cold climate?

This is a "derived" question from What is the most sustainable heating strategy for a home? . When talking about a home that has to withstand cold winters (-20 C), insulation is a big part of keeping ...
MeloMCR's user avatar
  • 650
10 votes
1 answer
2k views

How much of my flat heating is going to heat my neighbours flats?

I live in a block of flats with neighbours on 5 sides and only one side open to the outside. I understand that conduction is likely to be the main way I lose or gain heat to or from the neighbours on ...
Mark Booth's user avatar
  • 1,652
17 votes
2 answers
9k views

How can I get my landlord to install better insulation?

We live in an apartment that has a lot of gaps in the doors and windows and poor insulation in the walls. Is there a way to make the landlord fix this? Some sort of property codes or something? He ...
shoul25's user avatar
  • 173