The types of plywood are categorized based on grade, type of wood, strength and special features. The ideal plywood for a particular project depends on the intended application as well as the preference of the builder.
The majority of plywood sheets are 4 feet wide, although 2- and 5-foot variations are sometimes available, according to About.com. Plywood is typically 8 feet long. Other options are 4-foot and 12-foot lengths. Three thicknesses are available: 3/4 inch, 1/2 inch and 1/4 inch.
Plywood prices are available on the websites of major home improvement stores such as Lowe's and Home Depot. Consumers can also contact local lumber yards, hardware stores and building supply stores by phone to request current plywood pricing.
Installing four-by-eight sheets of plywood siding is a quick way to finish a home. The sheets offer several options for finishing, such as natural stains or painting.
The properties of plywood include increased stability, surface dimensional stability, high-impact resistance, chemical resistance and a high strength-to-weight ratio. Plywood is made from layers of wood pressed together and bonded with an adhesive.
Plywood is graded as A, B, C, C-plugged or D. Grades are based on plywood strength and the number of knots, patches and imperfections in the wood. An A grade is given to strong plywood with limited imperfections, and the D grade is used for plywood with large knotholes and cracks.
The density of plywood is roughly 34.08 pounds per cubic foot. Because plywood is a flat material, it is generally measured in mass per area rather than mass per volume.
To bend plywood, attach a crosscut blade to a table saw, set the fence an inch from the blade, cut kerf lines into the wood, and then bend the wood. Practice cutting kerf lines into a separate piece of plywood to determine the appropriate depth and spacing of the lines.
To paint a plywood floor, first start by renting a pole sander and sanding any problem areas such as dings, dents and holes. Remember to wear safety goggles and a dust mask while sanding. If there are any large holes, use wood putty to fill them in. Wipe up any dust residue with a damp towel, and af
Plywood is more expensive than other alternatives, such as particle board, its prone to water damage, heavy, can have voids or weak spots and it is available in limited sizes. Most plywood manufacturers only produce plywood in 4-foot by 8-foot sheets.