At the end of this module, you will be able to:
- Identify and describe hardwoods and softwoods
- List some common wood grades and defects
- Describe three ways logs are cut into lumber
- Describe how saw blade teeth per inch affects the finished cut
- Identify and describe common wood drill bits
- List wood fastening methods
- Describe the basics of thermal and acoustic insulation
The following key questions are answered in this module:
What are the advantages of hardwoods?
Hardwoods tend to appeal to woodworkers because of the wood's wide variety of colors, textures, and grain patterns. These woods are especially good to use for furniture, flooring, and finish trim.
What are three of the most common ways to cut a board?
The three most common ways are plain sawn, quarter sawn, and rift sawn.
What are the common purposes of insulation?
Insulation is traditionally used for two purposes: to resist the flow of heat and to absorb sound.
Below is a transcript of the video sample provided for this module:
Timber can be cut into boards a variety of ways. The three most common ways are: Plain sawn. With this cut, the mill cuts the timber into long strips. It is the least expensive cut and each piece has a unique look. Quarter sawn. In this cut, a log is cut into four equal pieces, and then each quarter is cut into boards. This method tends to be more expensive and has a wavy grain pattern. And rift sawn. These boards are cut from the center of the log, with each cut at a slightly different angle, so the boards have uniformity. This is the most expensive method of cutting lumber.
Use the additional resources and links below to learn more about this topic: