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. **

The waterproofing is made from a type of plastic material called polyethylene. Polyethylene is a popular choice for waterproofing due to its strong resistance to moisture and its durability. It is commonly used in construction and packaging materials for its waterproofing properties. **

To remove stains from shoes using waterproofing spray, first, clean the shoes with a damp cloth to remove any dirt or debris. Once the shoes are clean and dry, spray a generous amount of waterproofing spray over the stained areas. Allow the spray to dry completely before wearing the shoes again. The waterproofing spray will help repel future stains and protect the shoes from water damage. **

Renovation costs can sometimes be requested from the authorities, depending on the specific circumstances. In some cases, there may be government programs or grants available to help cover renovation costs for certain types of projects, such as those related to historic preservation or energy efficiency. It is important to research and inquire with local government agencies or relevant organizations to see if there are any options available for financial assistance with renovation costs. **

To remove stains from shoes treated with waterproofing spray, you can start by gently wiping the stained area with a damp cloth to remove any surface dirt. Next, mix a small amount of mild soap with water and use a soft-bristled brush to gently scrub the stained area. Rinse the area with clean water and allow the shoes to air dry. If the stain persists, you can try using a specialized shoe cleaner or stain remover following the manufacturer's instructions. **

To remove waterproofing spray stains from a leather wallet, you can try using a mixture of mild soap and water. Gently scrub the stained area with a soft cloth dampened with the soapy water, being careful not to rub too hard and damage the leather. If the stain persists, you can try using a leather cleaner specifically designed for removing stains. It's important to test any cleaning solution on a small, inconspicuous area of the wallet first to ensure it doesn't cause further damage. **