Wood is a natural polymer in the same manner that polymers of ethylene are joined to form polyethylene, glucose monomers polymerize in wood to form cellulose polymers.

Is polyethylene, polypropylene, polystyrene, ABS resin, polyester resin, cellulose and cheap general foam plastics antioxidants, especially suitable for white or light color products.

Structural softwood decking beneath a polyethylene vapour barrier and deep I-beam rafters supports 500 mm of cellulose fibre insulation.