The time it takes to lay a solid wood floor can vary depending on several factors, including the size of the space, the complexity of the installation, and the experience level of the installer. Generally, a professional flooring installer can lay a solid wood floor at a rate of approximately 200 to 300 square feet per day. This includes the time needed for preparation, acclimation of the wood, installation, cutting and fitting, sanding, and finishing. Larger or more intricate spaces may take longer to complete, as additional cutting and fitting may be required. It's important to allocate ample time for the installation process to ensure proper attention to detail and a high-quality result. Additionally, factors such as drying time for adhesives or finishes should be considered when estimating the overall time required to lay a solid wood floor.