The insulation effect of mineral wool does not increase after compression. In fact, compressing mineral wool can reduce its insulating properties as it decreases the amount of trapped air within the material, which is what provides the insulation. Therefore, it is important to install mineral wool without compressing it to ensure optimal insulation performance. **

Yes, the former landlord can increase the rent after renovating the property. Renovations can increase the value of the property and improve the living conditions for the tenant, which may justify a rent increase. However, the landlord must follow the laws and regulations regarding rent increases in their specific location, and they may need to provide proper notice to the tenant before implementing the rent increase. **

A rent increase can be justified by a garden renovation if the renovation significantly improves the quality and appeal of the property. A well-maintained garden can enhance the overall aesthetic of the property, increase its value, and attract more tenants. The cost of the renovation and ongoing maintenance can also be factored into the justification for a rent increase. Additionally, if the garden renovation provides additional amenities or features that were not previously available, such as a patio or outdoor seating area, this can also justify a higher rent. **

Insulation reduces the heating performance by preventing heat from escaping the building, which in turn increases the heating costs. However, in the long run, the reduction in heating performance and increase in heating costs are minimal compared to the overall energy savings that insulation provides. Insulation helps to maintain a consistent and comfortable temperature inside the building, reducing the need for excessive heating and ultimately saving money on energy bills. **

The amount of insulation required for a facade renovation depends on various factors such as the climate, building codes, and the existing condition of the building. In general, the insulation should be sufficient to meet the energy efficiency requirements of the building and to improve its thermal performance. It is important to consult with a professional architect or engineer to determine the specific insulation needs for a facade renovation project. **

The roofing underlayment serves as a secondary layer of protection against water infiltration and helps to prevent leaks in the roof. It also provides an additional barrier against wind-driven rain and snow. In terms of insulation, the underlayment can help to improve the overall energy efficiency of the roof by reducing heat loss and preventing drafts. Additionally, it can provide a smooth surface for the installation of the final roofing material, such as shingles or tiles. **

When renovating a roof for thermal insulation, it is recommended to consider adding insulation materials such as fiberglass, cellulose, or foam board. These materials can help reduce heat loss and improve energy efficiency. Additionally, sealing any gaps or cracks in the roof structure can prevent air leakage and further improve insulation. Lastly, installing a reflective roof coating can help reduce heat absorption and keep the interior of the building cooler. **

There is no scientific evidence to suggest that praying directly increases testosterone levels. Testosterone levels are primarily influenced by factors such as genetics, age, and overall health. While prayer and meditation may have positive effects on mental and emotional well-being, there is no direct link between praying and increased testosterone levels. It's important to rely on scientific research and evidence-based practices when considering the effects of prayer on hormone levels. **