Explain 3types of timber upper floors??

1. Solid timber floors: Solid timber floors are made from solid pieces of timber that are typically tongue-and-groove or square-edged. They are durable and long-lasting, and can be sanded and refinished multiple times to maintain their appearance. Solid timber floors provide a traditional and classic look to a space, and are often chosen for their natural beauty and warmth.

2. Engineered timber floors: Engineered timber floors are made up of multiple layers of wood, with a top layer of real timber veneer. This top layer gives the floor the appearance of solid timber, while the layers underneath provide stability and durability. Engineered timber floors are less prone to warping and shrinking than solid timber floors, making them a popular choice for areas with fluctuating humidity levels. They are also easier to install and can be used in a variety of applications, including over concrete slabs.

3. Reclaimed timber floors: Reclaimed timber floors are made from salvaged timber that has been repurposed from old buildings, barns, or other structures. This type of timber floor has a unique and rustic appearance, with characterful imperfections such as nail holes, knots, and patina. Reclaimed timber floors are environmentally friendly, as they reduce the demand for new timber and help to preserve natural resources. They add a sense of history and charm to a space, and can be a sustainable choice for those looking for a more eco-friendly flooring option.

1. Traditional Joist and Boarding:

- Consists of parallel joists (wooden beams) spaced at regular intervals, covered by wooden boarding or planks.
- Joists are typically made of softwoods like pine or spruce, providing strength and durability.
- Boarding can be tongue-and-groove or shiplap, ensuring a solid and airtight surface.

2. Timber I-Beam Floor System:

- Utilizes engineered timber I-beams as the primary structural support.
- I-beams have a wide upper flange and a narrow lower flange, resembling a capital "I."
- They are typically glued and laminated from multiple wooden layers for increased strength and stability.
- These floors are lightweight, spanning longer distances, and can be covered with various flooring options like plywood, OSB, or planks.

3. Prefabricated Cassettes:

- Comprised of factory-made cassettes that integrate joists, boarding, and insulation.
- Each cassette forms a modular floor section, typically 1.2-meter wide.
- Cassettes are lightweight and easy to install, reducing construction time and labor costs.
- They provide excellent soundproofing and thermal insulation, making them suitable for multi-story buildings.