Polyurethane Arch Molding: Types of Framing and Installation Rules

An arch in interior design is an architectural element that carries the energy of movement and freedom. A doorway without a door creates visual expansion of space, smooth transitions between zones, and a light atmosphere. But a simple arch is merely a geometric shape.Polyurethane Arch Moldingtransforms a functional opening into an artistic accent, endowing it with character, stylistic identity, and visual completeness. An arch framed with decorative elements becomes a portal, connecting spaces not only physically but also aesthetically.

Which materials to choose for decorating curved surfaces? How to secure elements on a vault where there are no horizontal supports? Is standard polyurethane flexible enough, or are special flexible moldings required? How to join straight and curved sections without gaps? These questions arise for anyone who decides to decorate an arch opening. The answers require understanding arch typology, material properties, and installation nuances.

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Typology of Arch Openings: From Classic to Modern

Arches differ in the shape of their vault. Each shape was created by a specific architectural era, carries stylistic codes, and requires appropriate decorative treatment.

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Semicircular arch: ancient heritage

Semicircular (half-round, Roman) arch — the vault is a perfect semicircle. The radius equals half the width of the opening. For an opening width of one hundred twenty centimeters, the vault radius is sixty centimeters. The shape is perfectly symmetrical, balanced, and monumental.

Historical affiliation — ancient Roman architecture, where the semicircular arch became a structural and decorative element of aqueducts, baths, and basilicas. The Renaissance revived this form in European architecture. Classicism of the eighteenth-nineteenth centuries actively used semicircular arches in palace and mansion interiors.

Decorative treatment must correspond to the scale of the form.Polyurethane stucco for an archfor a semicircular opening includes a flexible molding that follows the arc of the vault, vertical pilasters or half-columns on the sides of the opening, capitals above the pilasters, and a keystone (decorative overlay) at the apex of the arch. The decorative style is classical: acanthus leaves, Ionic volutes, dentils, meanders.

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Segmental arch: grounded elegance

Segmental arch — the vault is a segment of a circle, smaller than a semicircle. The radius is greater than half the width of the opening, the arc is more gentle, and the silhouette is horizontally elongated. Visually, the arch appears wider, lower, and less dramatic than a semicircular one.

Application — spaces with limited opening height where a semicircular arch would abut the ceiling. The segmental shape allows the arch to fit into a low opening of a standard apartment (height two hundred ten to two hundred twenty centimeters). Stylistics — neoclassicism, Art Nouveau, eclecticism.

The decoration of a segmental arch is more restrained than that of a semicircular one. A flexible molding along the vault contour is the main element. Pilasters on the sides are replaced by vertical moldings or omitted entirely. A keystone is appropriate but not mandatory. Ornamentation is minimal — smooth profiles or light floral motifs.

Elliptical arch: dynamics of curvature

Elliptical arch — the vault is outlined by an ellipse (oval), with variable curvature. The radius at the apex is smaller than at the springings (bases). The form is dynamic, more upwardly aspiring than a segmental arch, but softer than a semicircular one.

Historical affiliation — Baroque of the seventeenth-eighteenth centuries, where elliptical vaults created a sense of movement and spatial levitation. Rococo developed this form in interior compositions. Art Nouveau of the late nineteenth century brought elliptical arches back into mansion architecture.

The decoration of an elliptical arch is technologically complex. The flexible molding must follow the variable curvature — requiring special elasticity.Polyurethane stucco for an archof elliptical shape is custom-made to the exact dimensions of the ellipse. An alternative is a set of short flexible segments, sequentially glued along the contour.

Pointed arch: Gothic aspiration

Pointed (lancet, Gothic) arch — the vault is formed by two arcs intersecting at an acute angle at the apex. The silhouette is pointed, vertically oriented, and dramatic. Visually, the arch elongates the space vertically, creating solemnity.

Historical affiliation — Gothic architecture of the twelfth-fifteenth centuries. The pointed arches of cathedrals soared towards the heavens, symbolizing spiritual aspiration. Nineteenth-century Neo-Gothic revived this form in secular architecture. Modern interiors use pointed arches to create expressive accents.

The decoration of a pointed arch is specific. The molding follows the double-arc form with a sharp joint at the apex. The joint is decorated with an overlay — a fleuron (pointed floral ornament). The sides are adorned with Gothic motifs — trefoils, quatrefoils, wimpergs.

Horseshoe arch: Eastern exoticism

Horseshoe (Moorish) arch — the vault is outlined by an arc that continues below the line of the springings, forming a horseshoe shape. The silhouette is enclosed, rounded, and exotic to the European eye.

Historical affiliation — Islamic architecture of Spain, North Africa, and the Middle East. The Alhambra in Granada and the mosques of Córdoba showcase horseshoe arches in their culmination. The Moorish style of the nineteenth century transferred this form into European interiors.

The decoration of a horseshoe arch is oriental. A flexible molding with a complex profile featuring geometric or floral ornamentation. Overlays at the apex and bases — stylized arabesques, stars, interlaces. Color palette — gold, turquoise, terracotta, contrasting with the main wall background.

Flexible moldings: material for curved surfaces

Standard rigid polyurethane molding does not bend — an attempt to curve it will cause cracking or breakage. For arches, special flexible (flex) moldings made of elastic polyurethane are required.

Production technology of flexible moldings

Flexibility is achieved by modifying the polymer formulation. Ordinary rigid polyurethane has a density of 300-350 kg/m³, a high degree of molecular cross-linking, creating hardness. Flexible polyurethane — density 150-220 kg/m³, reduced cross-linking, increased content of plasticizers that maintain elasticity.

The profile of a flexible molding is thinner than a rigid one. A standard molding has a thickness of ten to fifteen millimeters, a width of five to twelve centimeters. A flexible one — thickness five to eight millimeters, width three to eight centimeters. Reduced thickness lowers bending resistance.

The relief of flexible molding is shallower than that of rigid molding. Complex multi-level ornaments are impossible—parts deform when bent. Flexible moldings have simple profiles—rounds, steps, gentle waves, shallow flutes.

Bending radius: a critical parameter

Bending radius is the minimum radius of a circle that the molding can replicate without breaking. Specified by the manufacturer in technical specifications. Narrow flexible moldings (thirty to fifty millimeters wide) bend to a radius of thirty to fifty centimeters. Medium (sixty to eighty millimeters) — up to sixty to eighty centimeters. Wide (one hundred to one hundred twenty millimeters) require a radius of one meter or more.

How to determine the required radius? Measure the radius of the arch vault. For a semicircular arch, the radius is half the width of the opening. An opening one hundred centimeters wide has a radius of fifty centimeters. For a segmental arch, the radius is larger—measured from a drawing or by direct measurement. If the arch radius is greater than the minimum bending radius of the molding—the element is suitable.

Installation of flexible moldings: bending technique

Flexible molding is supplied straight and bent during installation. Before installation, the element is heated with a construction hairdryer to a temperature of forty to fifty degrees Celsius. Heating increases elasticity, making bending easier. The heated molding is carefully bent by hand to the shape of the arch.

Adhesive is applied to the back of the molding with a notched trowel. Use polyurethane adhesives (Moment Crystal, Titan Wild, specialized molding adhesives) or acrylic mounting adhesives (liquid nails). The adhesive must be elastic—rigid cement adhesive will crack when the molding bends.

The molding is applied to the arch contour and pressed along its entire length. For fixation while the adhesive sets, painter's nails (thin headless nails) or painter's tape are used. Nails are driven through the molding into the wall at intervals of twenty to thirty centimeters; after the adhesive dries (four to six hours), they are pulled out, and the holes are filled with putty. Tape is applied over the molding, securing it to the wall, and removed after four hours.

Alternative to flexible moldings: segmentation

If flexible molding is unavailable or the arch radius is too small for available flexible profiles, segmentation technique is used. Rigid molding is cut into short segments five to ten centimeters long. Segments are glued sequentially along the arch contour, each slightly rotated relative to the previous one.

Mini-gaps (one to three millimeters) form between segments and are filled with acrylic putty. After the putty dries, the joints are sanded with fine-grit sandpaper. Final painting hides joint traces—visually creating the impression of a solid molding.

The advantage of the method is the use of standard rigid moldings, which are cheaper and more varied than flexible ones. The disadvantage is labor intensity: cutting, fitting, puttying, and sanding require time and precision. For one arch, it takes four to six hours of work.

Ready-made kits for arch framing: system solutions

Manufacturers of polyurethane molding offer ready-made kits for arch decoration. The kit includes all necessary elements, designed for joint use, stylistically harmonious, and joined without gaps.

Typical set composition

Flexible radius molding—the main element, replicating the vault contour. Length calculated for standard opening sizes (eighty, ninety, one hundred, one hundred twenty centimeters width). For non-standard sizes, the molding is trimmed or supplemented with additional segments.

Vertical pilasters or moldings—frame the lateral sides of the opening from floor to vault start. Height standardized for typical ceilings (two meters forty, two meters seventy, three meters). Profile matches the radius molding.

Capitals—decorative tops of pilasters, installed at transition points from vertical elements to the radius vault. Styles: Doric (simple), Ionic (with volutes), Corinthian (with acanthus leaves), Composite (combined). Capital size is proportional to pilaster width.

Bases—foundations of pilasters, installed at the lower part of vertical elements at floor level. Create visual support, completeness of composition. Base is wider than the pilaster, creating a stepped transition from wall to decor.

Keystone or central overlay—a decorative element at the arch apex. Symbolizes the keystone locking the arch (in stone architecture). Shape: trapezoidal, rhombic, floral rosette. Size corresponds to the width of the radius molding.

Corner elements—ready-made joining parts for connecting vertical and radius moldings at a given angle. Eliminate the need for miter cutting of moldings, ensuring a perfect joint.

Advantages of ready-made kits

Stylistic consistency—all elements are designed by a designer; ornaments, proportions, profiles harmonize. Independent selection of disparate elements from different collections often creates imbalance—some parts too massive, others too miniature.

Precision joining—element sizes are calculated for joint installation. Capital perfectly crowns the pilaster, radius molding joins with vertical without gaps. Calculation errors and on-site adjustments are eliminated.

Time saving—no need to search, compare, select dozens of elements from a catalog. The kit contains everything needed. Assembly instructions are included, describing installation sequence, adhesive consumption, joining nuances.

Optimized price—the kit costs less than the sum of elements purchased separately. The manufacturer gives a discount for the system solution. Savings amount to ten to twenty percent.

Examples of ready-made kits

Polyurethane molding archClassical style includes flexible molding with dentils (teeth), pilasters with flutes (vertical grooves), Corinthian capitals with acanthus leaves, profiled bases, keystone in the form of a floral rosette. Opening width one hundred centimeters, height two meters seventy. Kit cost twelve to eighteen thousand rubles.

Art Nouveau style kit contains flexible molding with gentle waves, vertical moldings without ornamentation, stylized capitals with plant motifs (lilies, irises), minimalist bases, central overlay in the form of a stylized flower. Opening width ninety centimeters, height two meters fifty. Cost eight to twelve thousand rubles.

Eastern kit (Moorish style) offers flexible molding with a complex stepped profile, vertical elements with geometric ornamentation, capitals in the form of stylized arabesques, keystone overlay with a star pattern. The kit is designed for a horseshoe arch. Opening width one hundred twenty centimeters, height two meters eighty. Cost fifteen to twenty-five thousand rubles.

Technology for installing molding on arched openings

Installationpolyurethane molding for archesrequires adherence to the sequence of operations, precision in marking, and careful gluing.

Surface preparation: the foundation of quality

The arch surface must be level, dry, and degreased. Irregularities exceeding three millimeters are leveled with putty or plaster. Dust, dirt, and grease stains are removed with a damp cloth and detergent. The base is primed with a deep-penetration acrylic primer to enhance adhesive bonding.

If walls are painted with glossy paint or coated with an oil film, the gloss is matted with medium-grit sandpaper. Adhesive does not adhere to smooth, glossy surfaces—elements will detach within a few weeks.

Checking arch geometry is a critical stage. The left and right sides must be symmetrical. Asymmetry up to five millimeters is acceptable and can be corrected during decorative installation. Asymmetry exceeding one centimeter creates a visual imbalance—one side of the framing appears wider than the other. Correction requires leveling the arch geometry with plaster or drywall before installing the molding.

Marking: precision prevents errors

Marking begins with determining the arch's centerline—a vertical line passing through the center of the opening. The centerline is marked with a pencil or chalk line. All elements are positioned symmetrically relative to this line.

The installation points for capitals are marked—the transition points from vertical pilasters to the radius vault. For a semicircular arch, these are the points where the horizontal level line of the capital touches the vault's circumference. The height of these points is calculated geometrically or determined by test-fitting the elements.

The contour of the radius molding is marked. A temporary template is used for this—a flexible strip (metal ruler, thin plastic strip) bent to match the vault's shape. The template is applied to the arch and traced with a pencil. The line indicates where the lower edge of the molding will run.

Marking vertical pilasters—vertical lines from the floor to the capitals are marked, defining the position of the side elements. The pilaster width must be consistent along its entire height, without tilting.

Installation sequence: from bottom to top

Installation begins with bases—the foundations of the pilasters. Bases are glued at floor level (or at the height of the baseboard) according to the markings. Adhesive is applied to the back of the base in a thick layer (three to five millimeters). The base is pressed against the wall, aligned with the vertical marking line, and secured with painter's tape or small nails. Adhesive setting time is two to four hours.

Vertical pilasters or moldings are installed after the bases have dried. Adhesive is applied to the back of the pilaster in a zigzag pattern or with a notched trowel. The pilaster is applied to the wall, with the lower end butting against the base and the upper end reaching the capital installation point. The element is pressed along its entire length, and verticality is checked with a level. Secured with painter's tape or temporary supports.

Capitals are installed on top of the pilasters. Adhesive is applied generously—capitals are more massive than pilasters and require secure attachment. The capital is fitted onto the upper end of the pilaster (if the design includes a joining groove) or glued butt-to-butt. Aligned horizontally (capitals on the left and right sides at the same height) and secured with tape.

Radius molding—the final and most critical stage. The flexible molding is heated with a hairdryer and bent to match the vault's shape. Adhesive is applied to the back, and the molding is applied to the marked contour, starting from one capital. The molding is gently curved along the vault, passes through the arch's apex (where a keystone may be installed), and reaches the second capital.

Securing the radius molding requires multiple fixation points—painter's nails spaced fifteen to twenty centimeters apart or strips of tape every ten centimeters. The molding must fit snugly along its entire length, without gaps. After four to six hours, the fixation is removed—the adhesive has set, and the element holds independently.

The keystone or central overlay is installed at the arch's apex, either on top of the radius molding (if the design involves overlapping) or between the ends of two radius moldings (if the arch is decorated with two elements meeting at the apex). The keystone visually and symbolically anchors the composition.

Finishing: from installation to masterpiece

After the adhesive has fully cured (twenty-four hours), finishing is performed. Joints between elements (base-pilaster, pilaster-capital, capital-radius molding) are checked for gaps. Gaps up to two millimeters wide are filled with acrylic sealant (white, paintable). Sealant is squeezed from the tube into the gap, and excess is smoothed with a damp sponge or finger.

Holes from painter's nails (if used) are filled with acrylic putty. After drying, they are sanded with fine-grit sandpaper until smooth.

Priming the molding—elements are coated with one layer of acrylic primer. The primer evens out surface absorbency, improves paint adhesion, and conceals minor polyurethane defects.

Painting is done with water-based or acrylic paint in two coats. The first coat—base—covers the polyurethane color and creates an even background. The second coat—finish—provides color saturation and surface smoothness. Color is chosen according to the interior concept: classic white, cream, ivory for light interiors; contrasting (dark decor on light walls or light on dark) for accentuation; gold, silver, bronze for luxurious styles.

Stylistic solutions: from strict classic to oriental fantasy

Arch with polyurethane moldingmust match the overall interior style. Dissonance between architecture and decor disrupts the space's integrity.

Classic style: symmetry and order

A classic arch—a triumph of symmetry, proportions, and the order system. The semicircular vault is framed with flexible molding featuring dentils (small rectangular teeth) or egg-and-dart motifs (egg-shaped elements). Vertical pilasters with flutes (vertical grooves) imitate columns. Corinthian capitals with lush acanthus leaves crown the pilasters. Bases are profiled in steps, creating visual stability.

The keystone at the arch's apex—a trapezoidal block with a relief rosette or mascaron (stylized face). Color—classic white or cream, less commonly gold (for palace interiors). Element size is proportional to the room's scale: in a room with a 2.7-meter ceiling, pilasters 10–12 centimeters wide; in a hall with a 3.5-meter ceiling—15–20 centimeters wide.

Classic style demands compositional completeness. The arch does not float in emptiness—it is part of the wall decor. Pilasters continue with baseboards of the same profile. The radius molding echoes the ceiling cornice of similar design. A unified decorative system for the room is created.

Neoclassical: Laconic Elegance

The Neoclassical arch is more restrained than the classical one. A segmental or semicircular vault is framed by a smooth, flexible molding without ornaments or with minimal profiling (one or two coves). Vertical elements are simple rectangular moldings without fluting. Capitals are simplified to geometric shapes—cubes, truncated pyramids, rounded blocks with light decoration.

The keystone is absent or replaced by a minimalist overlay—a rectangular plate, a round rosette without relief. Colors are white, gray, beige, pastel shades. Gilding is excluded—Neoclassicism is alien to ostentatious luxury.

Proportions strive for slenderness. The width of moldings is five to eight centimeters regardless of ceiling height. An impression of lightness and airiness of the decor is created, not weighing down with mass.

Art Nouveau: organic lines of nature

An arch in the Art Nouveau style is a triumph of flowing lines, asymmetry, and plant motifs. The vault is often elliptical or parabolic (with variable curvature). The flexible molding follows the complex curve and is itself ornamented with waves reminiscent of flowing water or bending stems.

Vertical elements are not strict pilasters but organic verticals with smooth expansions, contractions, and bends. Capitals are stylized as plant forms—lily buds, iris leaves, fern curls. The keystone is a stylized flower, shell, or abstract form of natural origin.

Art Nouveau colors are muted natural palettes. Olive, terracotta, lavender, gray-blue. Gilding is used selectively—thin lines emphasizing contours, not solid coverage.

Art Nouveau allows asymmetry. The left and right sides of the arch may differ in details—different capital heights, various ornaments. This is not a mistake but an artistic technique creating dynamism.

Eastern style: geometry and color

The Eastern arch (Moorish, Ottoman, Persian) is a symphony of geometric patterns, bright colors, and complex forms. The vault is horseshoe-shaped, pointed, or keel-shaped (resembling an inverted boat keel). The framing is a flexible molding with a complex stepped profile and geometric ornamentation (meanders, zigzags, interlaces).

Vertical elements are decorated with overlays—stylized arabesques (intertwining plant curls with geometric stylization), star patterns, calligraphic motifs. Capitals are not classical orders but stylized forms—stalactites (muqarnas), geometric multi-tiered compositions, interlaced arches.

Color is contrasting and saturated. Gold, turquoise, terracotta, cobalt blue, emerald green. Elements are often painted in several colors—the base one tone, the ornament another, accents a third. Visual complexity, richness, and exoticism are created.

The Eastern style requires boldness. Half-measures do not work—either full immersion in the style with abundant decoration and bright colors, or opting for more restrained solutions.

Frequently asked questions

Can regular rigid molding be used instead of flexible molding for an arch?

Rigid molding does not bend—an attempt to bend it will break it. But a segmentation technique can be applied: cut the molding into short pieces five to ten centimeters long, glue them sequentially along the arch's curve with slight turns. Gaps between segments are filled with putty; after painting, the joints are invisible. The method is labor-intensive but allows using any rigid profile, expanding design possibilities.

What glue is best for installing molding on an arch?

For polyurethane molding, polyurethane glues (Moment Crystal, Titan Wild), acrylic mounting adhesives (liquid nails Moment Montage, Quelyd Mastifix), and specialized glues for polyurethane decor are suitable. Important: the glue must be elastic, retaining flexibility after drying. Rigid cement-based glues are not suitable—they crack due to thermal expansion of elements.

How long does it take to install molding on one arch?

Depends on the complexity of the kit and the installer's experience. Simple framing (only radius molding without pilasters)—two to three hours including preparation, marking, installation, and fixing. A full kit with pilasters, capitals, bases, and a keystone—five to eight hours. A professional crew works faster—four to six hours for a complex kit.

Does polyurethane molding need to be painted or can it be left in its base color?

The base cream-white color of polyurethane is aesthetic but yellows over time under UV exposure (especially near windows). Painting protects against yellowing, provides any desired shade, and hides minor defects (putty joint marks, nail holes). Primer and two coats of water-based paint are recommended.

Can molding be installed on an arch independently, or are professionals absolutely necessary?

Installing molding on an arch is accessible to a home craftsman with average skill levels. Required: ability to work with a level and tape measure (marking), careful glue application, patience when fixing elements until the glue sets. Complex kits with many elements are better entrusted to professionals—they guarantee perfect joining, symmetry, and mounting strength.

How to care for molding on an arch?

Polyurethane molding is low-maintenance. Dust is removed with a dry soft cloth or a vacuum with a brush attachment (on minimum power). Stains are wiped with a damp cloth and neutral detergent. Abrasive cleaners, solvents, and aggressive chemicals are prohibited—they damage the surface. Painted molding can be repainted if necessary without removal—sanding with sandpaper, priming, painting.

What is the durability of polyurethane molding on an arch?

With proper installation (quality glue, prepared surface) and normal operating conditions (interior with moderate humidity), polyurethane molding lasts thirty to fifty years unchanged. It does not crack, fall off, or deform. Limitations: high humidity (bathrooms without ventilation), direct water exposure, and mechanical impacts damage elements.

Conclusion: the arch as a work of art with STAVROS

An arched opening is an architectural element created millennia ago to solve structural tasks. Modern interiors use arches not so much for load-bearing functions as for aesthetic ones—creating visual connections between spaces, architectural accents, and stylistic anchors.Polyurethane Arch Moldingtransforms a utilitarian opening into an artistic work, endowing it with character, expressiveness, and completeness.

The variety of arch forms—from semicircular to pointed, from segmental to horseshoe—requires corresponding diversity in decorative solutions. Flexible moldings, ready-made kits, and the ability to combine elements offer unlimited possibilities for realizing any stylistic concept. From strict classicism with order pilasters to Eastern exoticism with geometric arabesques—polyurethane brings any idea to life.

The installation technology, whether mastered by a DIY enthusiast or entrusted to professionals, guarantees durability and aesthetic perfection of the result. Proper surface preparation, precise marking, sequential installation of elements, and high-quality finishing create decor indistinguishable from expensive plaster molding, yet superior in lightness, moisture resistance, and affordability.

The company STAVROS has specialized in the production and supply of architectural decor for over twenty years, offering a full range of elements for decorating arched openings. The catalog includes flexible moldings of various widths and profiles, ready-made kits for standard-sized arches, decorative overlays, pilasters, capitals, bases, and corner elements.

STAVROS flexible moldings are made from elastic polyurethane with a density of 180-220 kg/m³ and an increased plasticizer content. The minimum bending radius ranges from thirty centimeters for narrow profiles (width thirty to forty millimeters) to eighty centimeters for wide ones (width one hundred to one hundred twenty millimeters). Profiles are diverse: smooth coves for minimalist interiors, ornamented with dentils and egg-and-dart for classicism, wavy with floral motifs for Art Nouveau.

Ready-made arch kits are available in fifteen stylistic variants. The Classic kit (item ARK-CLASS-100) is designed for an opening width of one hundred centimeters, includes a flexible molding with dentils, two fluted pilasters with a height of two meters forty, two Corinthian capitals, two profiled bases, and a keystone with an acanthus rosette. The kit price is fourteen thousand eight hundred rubles.

The Neoclassical kit (item ARK-NEOKL-90) for a ninety-centimeter opening contains a smooth flexible molding, two rectangular vertical moldings, two simplified capitals, and two minimalist bases. A keystone is not provided—the arch's apex is finished by joining the moldings. The price is nine thousand two hundred rubles.

The Eastern kit (item ARK-VOSTOK-120) for a horseshoe arch with a width of one hundred twenty centimeters includes a flexible molding with a stepped profile, vertical elements with geometric overlays, stylized capitals with arabesques, and a star-shaped keystone. The kit is painted in two to three colors to create an Eastern flair. The price is nineteen thousand five hundred rubles.

Custom manufacturing of kits is available for non-standard sizes and unique designs. STAVROS designers develop an arch decoration project based on your sketches or photographs of historical prototypes. Molds are created, elements are cast, and a set is assembled to fit the specific opening dimensions. The production time is from four to eight weeks, and the cost depends on complexity.

Consultation support helps choose the optimal solution. STAVROS specialists analyze photos of your arch, assess the dimensions, vault shape, and interior style. They recommend a ready-made kit or individual elements, calculate the required quantity, and select adhesive and fasteners. They explain the installation technology and warn about nuances when working with specific profiles.

Installation services are provided by professional crews with years of experience installing molding. The cost of installing one arch kit ranges from four to eight thousand rubles depending on complexity (simple framing without pilasters—four thousand, a full kit with capitals and a keystone—eight thousand). The installation warranty is two years.

Painting work is performed in the STAVROS workshop before installation or on-site after installation. Elements are primed and painted in two layers with acrylic paint of the chosen shade (RAL, NCS catalogs). Decorative techniques are available: patination (creating an aged effect), gilding (applying gold or silver paint to raised relief details), and multi-color painting (ornaments in one color, background in another). The painting cost starts from two hundred fifty rubles per linear meter of molding.

Delivery of arch kits is carried out throughout Russia. For Moscow and the Moscow region—by company transport the day after ordering, cost from seven hundred rubles, free for orders over twenty thousand rubles. To other regions—by transport companies, delivery time three to seven days, cost from two to six thousand rubles depending on the region and cargo weight.

The warranty on STAVROS products is two years. The warranty covers manufacturing defects: cracks, deformations, dimensional discrepancies, and relief delamination. Replacement of defective elements is carried out at the company's expense. Return of goods of proper quality is possible within fourteen days of receipt, provided the packaging is intact and there are no signs of installation.

Choosing STAVROS arch decor means getting high-quality polyurethane of European standard, produced at a Russian factory with control at every stage. This is a solution for those who value architectural expressiveness, understand the role of details in creating a cohesive interior, and strive for durability without compromising aesthetics. An arch decorated with STAVROS molding becomes not just a passage between rooms, but an architectural event that captures attention and sets the tone for the entire space.