Monday, April 1, 2013

Decorative Molding Definition

Moldings can add architectural interest to the plainest of rooms.


Molding and the more decorative crown molding, commonly called trim, are strips of material with various cross-sections that are used to cover transitions between surfaces or for purely decorative purposes only. Traditionally, crown molding is made from solid milled wood or plaster, but plastic and reformed wood alternatives are also popular, since they are, generally, less expensive. The addition of moldings signify quality, and this can translate to increased property valuations. In classical architecture and sculpture, moldings in marble, granite and other stones can be found. Moldings are usually white, regardless of the color of the walls.


History


The origins of modern molding can be traced to the late Renaissance, when elements of Greek and Roman architecture were adapted to ornamental plaster and wood cornices used to disguise and beautify the junctures between ceilings and walls. Over the centuries the style of moldings has emulated the fashions of the time. Moldings can be a useful for dating buildings.


Uses


To provide cohesive transitions, moldings are generally used as baseboards, between floors and walls, and crown moldings between ceilings and walls. Decorative moldings can also be used as accents in areas such as for fireplaces, ceiling light roses and arches. Externally, particularly in Victorian architecture, stone and plaster moldings are frequently found around entrances, doors and windows.


Measurements


To determine how much molding to buy, measure each wall, and round up to the next foot. It is useful to draw a plan of the room and list measurements as you go. If the moldings are made of wood, bring them home and let them acclimatize in the room they will be installed in for 48 hours prior to installation. This will allow for the best possible fit and reduce possibilities of shrinkage or expansion.


Joints


The installation of decorative moldings is relatively simple, providing the correct tools are used. The variety of different joints and saw cuts, including a coped corner joint, an outside miter, a square cut and a scarf joint, and are best done with a coping saw and power miter saw. Home improvement centers are often equipped to provide the appropriate cuts for customers, but it is essential to provide the exact measurements.


Installation


It is possible to purchase self-adhesive moldings with ready-cut joints. These are quick and easy to install, but the glue bonds quickly, and there is little room for error. Better quality moldings are usually installed with a combination of glue and nails. Special molding and trim wood glues products are available, and a combination of trim nails and 2-inch nails should hold the moldings securely.








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