PLYWOOD 101 ORDINARY plywood is made of thin layers of wood, pressed together with wood glue. MARINE plywood is also made of thin layers of wood, pressed together with waterproof glue.

S4S lumber stands for “surfaced four sides,” and it refers to lumber that has been planed smooth on all four sides. This type of lumber is typically used in applications where a smooth, finished appearance is desired, such as in furniture making or trim work.

Redwood is light, soft and naturally durable but has considerably lower strength properties than radiata pine so is not generally used as a structural timber. Redwood heartwood is a warm red colour which matures to reddish nut brown.

Whitewood timber is a type of softwood timber, usually either Silver fir or Norway spruce. It is often used for structural and joinery purposes, such as in the construction of doors, windows, and furniture. Silver fir timber is typically light in colour, with a yellowish-brown hue.

Timber traces back to an Old English word initially meaning “house” or “building” that also came to mean “building material,” “wood,” and “trees” or “woods.” Timbers are large squared lengths of wood used for building a house or a boat.