To build concrete furniture, you will need to start by creating a mold in the shape of the furniture piece you want to make. This can be done using wood, foam, or other materials. Once the mold is ready, mix the concrete according to the instructions and pour it into the mold. Use a trowel to smooth the surface and remove any air bubbles. Allow the concrete to cure for the recommended time before removing it from the mold and finishing it with sanding and sealing. **

To apply concrete on concrete, the existing surface must be clean, free of debris, and properly moistened. A bonding agent or primer should be applied to the existing concrete to ensure adhesion. The fresh concrete mix can then be poured or pumped onto the existing surface and spread evenly using a screed or trowel. It is important to properly cure the new concrete to prevent cracking and ensure a strong bond between the two layers. **

Yes, it is possible to pour new concrete over old concrete as long as the existing concrete is in good condition and properly prepared. The old concrete should be clean, free of any loose debris, and roughened to provide a good bonding surface for the new concrete. Additionally, a bonding agent may be used to ensure a strong bond between the old and new concrete. It is important to consult with a professional to assess the condition of the existing concrete and determine the best approach for pouring new concrete over it. **

For setting lawn edging stones, garden concrete would be the better option. Garden concrete is specifically designed for outdoor use and is more durable and weather-resistant than concrete screed. It also has better adhesion properties, making it more suitable for securing the edging stones in place. Additionally, garden concrete is often formulated to be more resistant to cracking and shifting, which is important for maintaining the integrity of the lawn edging. **

Around 1890, Portland cement was the most commonly used concrete in house construction. This type of concrete was widely available and offered a strong and durable material for building foundations, walls, and other structural elements. Portland cement concrete was also used in combination with other materials such as bricks and stones to create a variety of architectural styles popular during that time period. Its widespread use contributed to the growth of urban and suburban development during the late 19th century. **

To repair a concrete house from Dennert, one can start by assessing the extent of the damage. Small cracks can be filled with a concrete patching compound, while larger cracks may require professional help. It is important to clean the damaged area thoroughly before applying any repair material. Additionally, applying a waterproof sealant or coating can help prevent future damage and prolong the life of the concrete house. **

The remaining concrete in concrete pumps can be cleaned out and reused for future projects. This process involves flushing the pump with water to remove any leftover concrete and then collecting and recycling the washed-out concrete. This helps to minimize waste and reduce the environmental impact of concrete pumping operations. Additionally, the cleaned-out concrete pump can then be used for the next job without any leftover material causing issues. **

Concrete is a composite material made of cement, water, and aggregates such as sand and gravel. It is used for construction purposes such as building foundations, roads, and sidewalks. On the other hand, concrete screed is a type of concrete that is specifically designed for flooring applications. It is a thinner layer of concrete that is applied over a base to create a smooth and level surface for the final flooring material, such as tiles or wood. Concrete screed is often used in interior spaces where a level and durable flooring surface is required. **