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2. Superinsulation - Wikipedia

   en.wikipedia.org/wiki/Superinsulation

   Polyethylene vapor barriers are risky except in frigid climates because they limit the wall's ability to dry to the interior. This approach also limits the amount of interior insulation that can be added to a relatively small amount (e.g., only R-6 insulation can be added to a 2×4 R-12 wall).

3. Vapor barrier - Wikipedia

   en.wikipedia.org/wiki/Vapor_barrier

   In most climates it is often better to have a vapor-open building assembly, meaning that walls and roofs should be designed to dry: [6] either to the inside, the outside, or both, so the ventilation of water vapor should be taken into consideration. A vapor barrier on the warm side of the envelope must be combined with a venting path on the ...

4. Building insulation material - Wikipedia

   en.wikipedia.org/wiki/Building_insulation_material

   Insulation is a barrier material to resist/reduce substance (water, vapor, etc. ) /energy (sound, heat, electric, etc.) to transfer from one side to another. Heat/ Thermal Insulation is a barrier material to resist / block / reflect the heat energy (either one or more of the Conduction, Convection or Radiation) to transfer from one side to another.

5. The cheapest ways to build a house, and the most affordable ...

   www.aol.com/finance/cheapest-ways-build-house...

   Building your interior walls in this manner can save on construction and labor costs. Precast concrete: ... including insulation and windows, can be budget-friendly in the long run. For example ...

6. Building insulation - Wikipedia

   en.wikipedia.org/wiki/Building_insulation

   If the renovation is of a smaller nature, the renovation directive applies. Examples of renovation are post-insulation of a cavity wall and post-insulation of a sloping roof against the roof boarding or under the tiles. Note that every renovation must meet the minimum Rc value of 1.3 W/(m 2 ⋅K). If the current insulation has a higher ...

7. Radiant barrier - Wikipedia

   en.wikipedia.org/wiki/Radiant_barrier

   The vapor transmission rate of the radiant barrier should be at least 5 perms, as measured with ASTM E96, and the moisture in the insulation should be checked before installation. Second, the product should meet the required flame spread, which includes ASTM E84 with the ASTM E2599 method. Lastly, this method allows for dust to accumulate over ...

8. What to set your thermostat to this winter: U.S. Department ...

   www.aol.com/set-thermostat-winter-u-department...

   What you may not know, however, is the Department of Energy's official answer to the question. ... Wrap pipes nearest exterior walls and in crawl spaces with pipe insulation or heating tape. This ...

9. Damp proofing - Wikipedia

   en.wikipedia.org/wiki/Damp_proofing

   A metal damp proof course (DPC) between the stone foundation and brick wall. Damp proofing in construction is a type of moisture control applied to building walls and floors to prevent moisture from passing into the interior spaces. Dampness problems are among the most frequent problems encountered in residences.