The speaker is teaching how to build a sound wall, specifically how to lay bricks with perfect alignment. The key is to start with a level base, use a plumb line to ensure the wall is straight, and make sure each brick is properly aligned. The speaker also emphasizes the importance of leaving a small gap (about 1 mm) between the brick and the line to allow for settling. Additionally, the video covers topics such as how to make a homogeneous mass for laying bricks, how to use a hand level, and how to tie the line to the hardware. The speaker also mentions that this video is part of a larger series on building a house from scratch, and encourages viewers to subscribe to the channel and share their comments and suggestions.
Here are the key facts from the text:
1. The speaker is teaching how to make a sound wall and an organ system survey.
2. The speaker has a video on the channel explaining how to do the first row.
3. The speaker will leave a link in the description of the video for access to the first row video.
4. The first brick is always inside and is the reference for the wall.
5. The wall is 4 meters high.
6. The speaker will show how to lay the bricks in the next video.
7. The speaker has a series of 40 videos on building a house from scratch.
8. The series includes videos on laying the foundation, laying ceramic tiles, and other important tips.
9. The speaker is building a 110 square meter house.
10. The house has 3 bedrooms, 1 bathroom, and a kitchen.
11. The speaker will share the step-by-step process of building the house on the channel.