<P> Decorative moldings have been made of wood, stone and cement . Recently moldings have been made of extruded PVC and Expanded Polystyrene (EPS) as a core with a cement - based protective coating . Synthetic moldings have environmental, health and safety concerns that were investigated by Doroudiani et al . </P> <P> Common moldings include: </P> <Ul> <Li> Astragal--Semi-circular molding attached to one of a pair of doors to cover the gap where they meet . </Li> <Li> Baguette--Thin, half - round molding, smaller than an astragal, sometimes carved, and enriched with foliages, pearls, ribbands, laurels, etc . When enriched with ornaments, it was also called chapelet . </Li> <Li> Bandelet--Any little band or flat molding, which crowns a Doric architrave . It is also called a tenia (from Greek ταινία an article of clothing in the form of a ribbon . </Li> <Li> Baseboard, "base molding" or "skirting board"--Used to conceal the junction of an interior wall and floor, to protect the wall from impacts and to add decorative features . A "speed base" makes use of a base "cap molding" set on top of a plain 1" thick board, however there are hundreds of baseboard profiles . </Li> <Li> Baton--See Torus </Li> <Li> Batten or board and batten--Symmetrical molding that is placed across a joint where two parallel panels or boards meet </Li> <Li> Bead molding--Narrow, half - round convex molding, when repeated forms reeding </Li> <Li> Beading or bead--Molding in the form of a row of half spherical beads, larger than pearling <Ul> <Li> Other forms: Bead and leaf, bead and reel, bead and spindle </Li> </Ul> </Li> <Li> Beak--Small fillet molding left on the edge of a larmier, which forms a canal, and makes a kind of pendant . See also: chin - beak </Li> <Li> Bed molding--Narrow molding used at the junction of a wall and ceiling . Bed moldings can be either sprung or plain . </Li> <Li> Bolection--Raised molding projecting proud of a face frame at the intersection of the different levels between the frame and an inset panel on a door or wood panel . It will sometimes have a rabbet on its underside the depth of the lower level so it can lay flat over both . It can leave an inset panel free to expand or contract with temperature and humidity . </Li> <Li> Cable molding or ropework--Convex molding carved in imitation of a twisted rope or cord, and used for decorative moldings of the Romanesque style in England, France and Spain and adapted for 18th - century silver and furniture design (Thomas Sheraton) </Li> <Li> Cabled fluting or cable--Convex circular molding sunk in the concave fluting of a classic column, and rising about one - third of the height of the shaft </Li> <Li> Casing--Finish trim around the sides of a door or window opening covering the gap between finished wall and the jam or frame it is attached to . </Li> <Li> Cartouche (in French) escutcheon--Framed panel in the form of a scroll with an inscribed centre, or surrounded by compound moldings decorated with floral motifs </Li> <Li> Cavetto--(in Italian) cavare ("to hollow"): Concave, quarter - round molding sometimes employed in the place of the cymatium of a cornice, as in the Doric order of the Theatre of Marcellus . It forms the crowning feature of the Egyptian temples, and took the place of the cymatium in many of the Etruscan temples . </Li> <Li> Chair rail--Horizontal molding placed part way up a wall to protect the surface from chair - backs, and used simply as decoration </Li> <Li> Chamfer--Beveled edge connecting two adjacent surfaces </Li> <Li> Chin - beak--Concave quarter - round molding, rare in ancient buildings, more common today . </Li> <Li> Corner guard--Used to protect the edge of the wall at an outside corner, or to cover a joint on an inside corner . </Li> <Li> Cove molding or Coving--Concave - profile molding that is used at the junction of an interior wall and ceiling </Li> <Li> Crown molding--Wide, sprung molding that is used at the junction of an interior wall and ceiling . General term for any molding at the top or "crowning" an architectural element . </Li> <Li> Cyma--Molding of double curvature, combining the convex ovolo and concave cavetto . When the concave part is uppermost, it is called a cyma recta but if the convex portion is at the top, it is called a Cyma reversa--Crowning molding at the entablature is of the cyma form, it is called a cymatium . </Li> <Li> Dentils--Small blocks spaced evenly along the bottom edge of the cornice </Li> <Li> Drip cap--Moulding placed over a door or window opening to prevent water from flowing under the siding or across the glass </Li> <Li> Echinus--Similar to the ovolo molding and found beneath the abacus of the Doric capital or decorated with the egg - and - dart pattern below the Ionic capital </Li> <Li> Egg - and - dart--egg shapes alternating with V - shapes; one of the most widely used classical moldings . <Ul> <Li> Also: Egg and tongue, egg and anchor, egg and star </Li> </Ul> </Li> <Li> Fillet--Small, flat band separating two surfaces, or between the flutes of a column </Li> <Li> Fluting--Vertical, half - round grooves cut into the surface of a column in regular intervals, each separated by a flat astragal . This ornament was used for all but the Tuscan order </Li> <Li> Godroon or Gadroon--Ornamental band with the appearance of beading or reeding, especially frequent in silverwork and molding . It comes from the Latin word Guttus, meaning flask . It is said to be derived from raised work on linen, applied in France to varieties of the, bead and reel, in which the bead is often carved with ornament . In England the term is constantly used by auctioneers to describe the raised convex decorations under the bowl of stone or terracotta vases . The godroons radiate from the vertical support of the vase and rise halfway up the bowl . <Ul> <Li> Also: Gadrooning, lobed decoration, (k) nukked decoration, thumb molding </Li> </Ul> </Li> <Li> Guilloché--Interlocking curved bands in a repeating pattern often forming circles enriched with rosettes and found in Assyrian ornament, classical and Renaissance architecture . </Li> <Li> Keel molding--Sharp - edged moulding resembling a cross-section of a ship's keel, common in the Early English and Decorated styles . </Li> <Li> Muntin - Narrow strip of wood or metal separating and holding panes of glass in a window . </Li> <Li> Ovolo--Simple, convex quarter - round molding that can also be enriched with the egg - and - dart or other pattern </Li> <Li> Neck molding </Li> <Li> Picture rail--Functional molding installed 7--9 feet above the floor from which framed art is hung, common in commercial buildings and homes with plaster walls . </Li> <Li> Rosette--Circular, floral decorative element found in Mesopotamian design and early Greek stele, common in revival styles of architecture since the Renaissance . </Li> <Li> Scotia--Concave molding with a lower edge projecting beyond the top and so used at the base of columns as a transition between two torus moldings with different diameters </Li> <Li> Screen molding--Small molding used to hide and reinforce where a screen is attached to its frame . </Li> <Li> Shoe molding, toe molding or quarter - round--Small flexible moulding used at the junction of a baseboard and floor as a stylistic element or to cover any gap between the two . </Li> <Li> Strapwork - Imitates thick lengths of leather straps applied to a surface to produce pattern of ribs in connected circles, squares, scrolls, lozenges etc . Popular in England in 16th & 17th . centuries, used in plaster on ceilings, also sculpted in stone on exterior of buildings, e.g. around entrance doors . Also carved in wood, and used for topiary designs for parterres . </Li> <Li> Torus--Convex, semi-circular molding, larger than an astragal, often at the base of a column, which may be enriched with leaves or plaiting . </Li> <Li> Trim molding--General term used for moldings used to create added detail or cover up gaps, including corner moldings, cove moldings, rope moldings, quarter rounds, and accent moldings . </Li> </Ul> <Li> Astragal--Semi-circular molding attached to one of a pair of doors to cover the gap where they meet . </Li>

Horizontal molding along the top of a wall