polyurethane crown molding

Since I sell both ornamental wood moldings and polyurethane moldings on one of my e commerce sites, I thought I should write a comparison review of them. If you are considering purchasing one or the other perhaps this will help you in making a decision.

Wood has been the material of choice for moldings and other building products for centuries and really millennium. Wood has been plentiful, durable and easily shaped. In agrarian societies it has been the material of choice for these reasons. With the advent of industrial societies and technological innovations, however, other materials have presented themselves to capitalist as an alternative to wood. This has been the case in particular for polyurethane moldings used in residential applications.

The distinct advantages and disadvantages of wood and polyurethane becomes clearer by understanding the respective manufacturing processes for each.

The process for making wood moldings begins with a “blank” length of wood typically square on all sides. This blank is fed into a molder (apply named) which is simply a series of cutting “heads” that cut the blank into the final shape. The cutting heads have the final shape of the molding ground into them cutting head knives.

Polyurethane moldings, however, begin with a liquid composite being poured INTO a mold. And so the manufacturing process dictates the basic differences of both types of molding.

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