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2. 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.

3. 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 ...

4. Straw-bale construction - Wikipedia

   en.wikipedia.org/wiki/Straw-bale_construction

   It has a thermal conductivity of 0.038–0.08 W m −1 K −1, which is comparable to other wood fibre insulation materials. To achieve the same thermal insulation efficiency as other more insulating materials such as extruded and extended polystyrene, the thickness of the straw insulation layer should be increased by 30–90%. [47]

5. Alternative natural materials - Wikipedia

   en.wikipedia.org/wiki/Alternative_natural_materials

   Hempcrete, also known as hemplime, is a sustainable biocomposite composed of hemp hurds mixed with lime, sand, or pozzolans material used in construction and insulation. The material offers advantages such as ease of use, insulation, and moisture regulation without the brittleness of traditional concrete.

6. Rigid panel - Wikipedia

   en.wikipedia.org/wiki/Rigid_panel

   A multi-family residential building under construction with rigid panel exterior insulating sheathing. Rigid panel insulation, also referred to as continuous insulation, [1] can be made from foam plastics such as polyurethane (PUR), polyisocyanurate (PIR), and polystyrene, or from fibrous materials such as fiberglass, rock and slag wool.

7. Structural insulated panel - Wikipedia

   en.wikipedia.org/wiki/Structural_insulated_panel

   The costs of SIPs are higher than the materials for a comparable framed building in the United States; however, this may not be true elsewhere. A well-built home using SIPs will have a tighter building envelope and the walls will have higher insulating properties, which leads to fewer drafts and a decrease in operating costs.