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. **

It is unclear what is being referred to in the question. If it is asking whether someone sent something, the answer would depend on the context. If it is asking whether someone has sent something in the past, then the answer would be "he sent." If it is asking whether someone is currently sending something, then the answer would be "he is sending." **

The phrase "to send or to send" does not make sense in English. It seems like there might be a typo or a mistake in the question. If you meant to ask about the meaning of "to send," it refers to the act of dispatching or transmitting something to a recipient. If you meant to ask about the meaning of "to spend," it refers to using money or resources to purchase goods or services. Please clarify the question if there was a mistake. **

The terms "send" and "transmit" are often used interchangeably to refer to the act of transferring information, data, or messages from one place to another. Both terms imply the movement of something from a source to a destination, whether it's through physical or digital means. In the context of communication, sending or transmitting can involve various methods such as email, text messaging, postal mail, or electronic data transfer. Overall, both terms convey the idea of delivering information from one party to another. **

Sending a colleague to Mecca for maintenance work may not be as simple as it sounds. There are several factors to consider, such as obtaining the necessary visas and work permits, ensuring compliance with local labor laws and regulations, and addressing any cultural or religious considerations. Additionally, there may be logistical challenges in coordinating travel and accommodation arrangements. The company would need to carefully plan and prepare for the assignment to ensure a smooth and successful trip for their colleague. **

As an AI, I don't have the capability to send or receive pictures. However, if you need to share visual information, you can describe the content of the pictures to me and I can help you with any questions or information you may need. **