Styrodur can be cantilevered up to a maximum span of 1.5 times its thickness. This means that if the Styrodur panel is 1 inch thick, it can be cantilevered up to 1.5 inches. It is important to adhere to this maximum span to ensure the structural integrity and stability of the cantilevered Styrodur panel. Additionally, proper support and reinforcement should be considered when cantilevering Styrodur to ensure safety and stability. **

To laminate and harden Styrodur surfaces, you can use a variety of methods. One common approach is to apply a layer of resin or epoxy to the surface of the Styrodur, which will help strengthen and protect it. Another option is to use a heat gun to carefully heat the surface of the Styrodur, which can help to harden it. Additionally, you can also apply a layer of fiberglass or carbon fiber to the surface of the Styrodur to add strength and durability. **

Styrofoam and Styrodur are both types of foam insulation, but they have some key differences. Styrofoam is a brand name for expanded polystyrene (EPS) foam, which is a lightweight, rigid, and relatively inexpensive material. Styrodur, on the other hand, is a brand name for extruded polystyrene (XPS) foam, which is denser, more durable, and has a higher R-value (insulating value) than EPS foam. Styrodur is also more resistant to moisture and can be used in below-grade applications. Overall, Styrodur is a higher-performing and more versatile insulation material compared to Styrofoam. **

10cm of Styrofoam would insulate better than 5cm of Styrodur. This is because Styrofoam has a lower thermal conductivity than Styrodur, meaning it is better at resisting the transfer of heat. Therefore, the thicker layer of Styrofofoam would provide better insulation compared to the thinner layer of Styrodur. **

Fireworks rockets are pyrotechnic devices that are propelled into the air and explode to produce colorful and dazzling visual effects. They are typically made of a cylindrical tube filled with explosive materials and a fuse at the base. When the fuse is ignited, the rocket is propelled into the sky and bursts into a display of bright lights, sparks, and loud noises. Fireworks rockets are commonly used in celebrations and events to create a spectacular and memorable experience for spectators. **

You can buy sparklers for fireworks at a variety of places, including party supply stores, fireworks stands, and some grocery stores. Additionally, you may be able to find sparklers at specialty fireworks stores or online retailers. It's important to check your local laws and regulations regarding the purchase and use of fireworks and sparklers before making a purchase. **

The risk of plasticizer migration when laying Styrodur under a pool is relatively low. Styrodur is a closed-cell, extruded polystyrene foam board that is resistant to water and moisture, which helps to prevent the migration of plasticizers. Additionally, Styrodur is designed to withstand the pressure and weight of a pool, making it a suitable choice for this application. However, it is important to ensure that the Styrodur is properly installed and that any seams or joints are sealed to further minimize the risk of plasticizer migration. **

You can buy fireworks rockets at specialty fireworks stores, online retailers, or at certain seasonal pop-up shops that sell fireworks. It's important to check the laws and regulations in your area regarding the sale and use of fireworks, as they may be restricted or prohibited in some locations. Additionally, be sure to follow all safety guidelines and precautions when purchasing and using fireworks rockets. **