No, fire-breathing dragons would not be biologically possible. The ability to breathe fire would require a biological mechanism to produce and expel a flammable substance, as well as a way to ignite it. There are no known biological systems that could accomplish this, and the energy required to produce and expel fire would be impractical for a living organism. Additionally, the heat and pressure from breathing fire would likely be harmful to the dragon's own body. Therefore, fire-breathing dragons are purely a product of mythology and fiction. **

The amount of screed needed to pour concrete screed will depend on the thickness of the screed layer and the area to be covered. To calculate the volume of screed required, you can multiply the area to be covered by the thickness of the screed layer. For example, if you have an area of 50 square meters and you want to pour a 50mm thick screed, you would need 2.5 cubic meters of screed (50 sqm x 0.05m = 2.5 cubic meters). It is always recommended to order slightly more screed than calculated to account for any wastage or uneven surfaces. **

Yes, it is possible to install dry screed on old screed. Dry screed systems are designed to be installed on top of existing floor surfaces, including old screed. This can be a cost-effective and efficient way to improve the insulation and soundproofing of a floor without having to remove the existing screed. However, it is important to ensure that the old screed is in good condition and properly prepared before installing the dry screed system to ensure a smooth and level finish. **

Screed 3 is a type of construction material used to create a level surface on a concrete floor. It is typically made of a mixture of cement, sand, and water, and is poured and spread over the concrete to fill in any imperfections and create a smooth, flat finish. Screed 3 is commonly used in the construction industry to prepare floors for the installation of tiles, carpet, or other types of flooring. **

After the screed is applied, the next step is typically to lay the flooring material on top of it. This could be tiles, wood, laminate, or any other type of flooring chosen for the space. The flooring material is installed on top of the screed once it has dried and cured properly, creating a smooth and level surface for the final floor finish. Finally, once the flooring is installed, any necessary finishing touches such as sealing, grouting, or sanding may be done to complete the project. **

To correct screed, one can start by identifying the areas that need adjustment or repair. This can involve checking for uneven surfaces, cracks, or areas that are not level. Once the issues are identified, the screed can be corrected by adding more screed material to level out uneven surfaces, filling in cracks with a suitable filler, or using a straight edge to ensure a level finish. It is important to follow the manufacturer's guidelines for the specific type of screed being used to ensure proper correction. **

The screed is typically made after the concrete has been poured and leveled. It is a layer of material, such as sand and cement, that is applied on top of the concrete to create a smooth, level surface. The screed is used to finish and level the concrete before it dries and hardens. **

Yes, thermal screed can be recommended for certain applications. Thermal screed is a type of floor screed that is designed to provide insulation and improve the thermal performance of a building. It can be particularly useful in underfloor heating systems, as it helps to distribute heat evenly and efficiently. Additionally, thermal screed can help to reduce energy costs by improving the overall thermal efficiency of a building. However, it is important to consider the specific requirements of the project and consult with a professional to determine if thermal screed is the right choice. **