A timber guide, starting with pine.
Understand the material before choosing the size, finish or tool.
Pine boards
Pine is a group of softwoods, not a single standardized material. Species, growth, grading and drying all affect what a board is suited to. A broad pale face with a few tight knots may suit a visible shelf; a clear narrow piece may be more useful for a small frame. Inspect the pieces you can actually cut from the board rather than treating every mark as a defect in the whole purchase.
Read how to choose pine boards for a board-by-board inspection sequence.
Dry and dressed timber
Drying and surfacing describe different things. Kiln dried timber has undergone a drying process; it can still gain or lose moisture in storage. Dressed timber has been machined to smoother surfaces and dimensions; that does not tell you its current moisture content. Ask the supplier to identify the species or group, the grade, the finished dimensions and the moisture specification separately.
A moisture meter can support a comparison when its settings, measurement depth and limitations are understood. A single reading on the end of one board is not a certificate for a whole delivery.
Sheet materials
Plywood has alternating veneer layers. It can be useful where a wide panel is needed, but face grade, core quality, bond classification and thickness still matter. A decorative face does not establish that a panel is suitable for wet exposure. Match the product's documented use to the project, and plan how exposed edges will be treated.
Compare pine and plywood for a utility shelf. Structural spans and load-bearing work need suitable design information for the actual product.
Finished surfaces
A finish changes appearance and the way a surface responds to use. It does not turn an unsuitable board into a suitable one. Keep offcuts from the actual project and make a finish sample. The sanding sequence, number of coats and application method all belong in the sample record.
From material to order
Write the finished part sizes first. Then allow for trimming, machining and defects in the actual boards offered. Use the volume tools to check arithmetic and the timber order checklist to record the terms. Pinewood Notes publishes material education; this page is not a timber catalogue or ordering service.