Semi-detached houses are generally less soundproof than detached houses due to the shared wall between the two units. While the wall provides some level of sound insulation, it is not as effective as having no shared walls. Noise from neighbors, such as conversations, music, or other activities, can still be heard to some extent in a semi-detached house. However, the level of soundproofing can vary depending on the construction and materials used in the house. Additional soundproofing measures, such as insulation and double-glazed windows, can be installed to improve the soundproofing of a semi-detached house. **

Multi-family houses abroad vary in their soundproofing, depending on the construction materials and methods used. In some countries, multi-family houses are built with thicker walls and soundproofing materials to minimize noise transfer between units. However, in other places, soundproofing may not be a priority, leading to more noise transfer between units. It's important for potential residents to inquire about the soundproofing measures in place when considering a multi-family house abroad. **

Sound insulation in prefabricated houses works by using materials that absorb and dampen sound waves, such as insulation, acoustic panels, and double-glazed windows. These materials are installed in the walls, floors, and ceilings to reduce the transmission of sound from one room to another. Additionally, the design and construction of prefabricated houses also play a role in sound insulation, as the use of solid construction materials and tight seals can further minimize sound transmission. Overall, sound insulation in prefabricated houses aims to create a quieter and more comfortable living environment for the occupants. **

Yes, the new building is more soundproof than the other houses. It is equipped with modern soundproofing materials and techniques that help reduce noise transmission from outside. Additionally, the design of the new building may also contribute to its soundproofing capabilities, such as thicker walls or double-glazed windows. Overall, residents in the new building are likely to experience less noise disturbance compared to those in the other houses. **

External insulation of semi-detached houses involves adding a layer of insulation material to the exterior walls of the building. This helps to prevent heat loss through the walls, keeping the interior of the house warmer and reducing the need for heating. The insulation material acts as a barrier, reducing the transfer of heat through the walls and improving the overall energy efficiency of the building. Additionally, external insulation can also help to improve the appearance of the house and protect the existing wall structure from weather damage. **

Passive houses and energy-efficient houses are not the same thing, although they share some similarities. Passive houses are a specific type of energy-efficient house that meets rigorous standards for energy performance, comfort, and air quality. They achieve this through a combination of high levels of insulation, airtight construction, high-performance windows, and a mechanical ventilation system. Energy-efficient houses, on the other hand, can encompass a broader range of building practices and technologies that reduce energy consumption, such as efficient appliances, lighting, and heating/cooling systems. While passive houses are a subset of energy-efficient houses, not all energy-efficient houses meet the strict criteria for passive house certification. **

Insulation wallpaper can be useful for thermal insulation to some extent, as it can help to reduce heat loss through walls. However, its effectiveness may be limited compared to traditional insulation materials such as fiberglass or foam. Insulation wallpaper may be more suitable for improving the thermal performance of existing walls without the need for major renovations, but it may not provide the same level of insulation as other materials. It is important to consider the specific needs of the space and consult with a professional to determine the best insulation solution. **

The belief in haunted houses and ghosts is a common theme in many cultures and folklore. Some people believe that houses can be haunted by the spirits of the deceased or by residual energy from past events. However, there is no scientific evidence to support the existence of ghosts, and experiences of hauntings can often be attributed to psychological factors, natural phenomena, or simply the power of suggestion. Ultimately, whether or not houses have ghosts is a matter of personal belief and interpretation. **