The machine, by using lasers, determines the exact spectrum of light from a sample and provides the information needed to duplicate the color. To find out what services a particular building material dealer has, check your local yellow pages. Building Materials - Lumber Lumber is the most common thread in any building or project. Lumber comes in a variety of lengths, widths, shapes, and sizes. The most common types of lumber we use to build with are plywood and pressure treated.
Plywood is usually common pine and generally used inside.
If your worried about rain while you're building, you can use fir plywood which is treated. Outdoor work should be done using pressure treated wood. Building grain in pressure treated wood shows the quality of the wood. The number one grain will last up to 50 years, while the number two grain will last from 10 to 15 years. Lumber is not cheap so shop around to get the best prices and quality for your job.