Polyurethane molding NPU-400.1

Imagine: you enter a room where the walls don't look like a flat surface, but like a story. Moldings set the rhythm, frames create a grid, and at the center of each panel lives a small yet absolutely precise ornamental accent—the very element that makes you look at the wall longer than you planned. This element is the decorative overlay.NPU-400.1 from polyurethane.

This is not just molding. This is not abstract decor 'for walls and ceilings.' This is a specific detail with a specific purpose: buying polyurethane molding decor NPU-400.1 means getting an ornamental insert that works in tandem with the MLD-002-MG molding as part of the 'Neoclassic Light' collection. One element. One function. One precise place in space.

And it is this precision that makes it indispensable.

What is NPU-400.1 and its logic

Among the many polyurethane decorative overlays, NPU-400.1 occupies a truly special place—not due to size or cost, but because of its role in the system. It is the central accent element of the wall decorative panel. Its purpose is to provide the frame, formed by the molding, with a meaningful center: a relief, vibrant, tangible focal point for the gaze.

Product size—69 × 178 × 21 mm. Horizontal format. Relief projection—21 mm. By wall overlay standards, this is a moderate depth: sufficient for the ornament to be visible in any lighting, but not excessive to dominate the molding profile. This very balance is called proportion.

In the catalogdecor for STAVROS moldingsNPU-400.1 is part of the CPU-2-1 kit in the 'Neoclassic Light' collection—together with the MLD-002-MG molding. This is a ready-made system: the molding forms the frame, the overlay takes the central position. No questions about compatibility, no searching for 'what will go with it'—just take the system and install it.

Compatibility with molding MLD-002-MG and MLDPU-002

The number one commercial question for any buyer of molding decor: what exactly does this work with? Here, the answer is clear and documented.

NPU-400.1 is included in the official kitCPU-2-1together with molding MLD-002-MG (primed MDF, 22 × 11 × 2600 mm) and is also used in compositions with polyurethane moldingMLDPU-002. Both versions of the molding — polyurethane and MDF — form a unified style with the overlay: neutral primed white, moderate classic profile, universal geometry.

What does this mean in practice? You don't select elements by trial and error: the proportions, relief depth, and stylistic ornament of NPU-400.1 are designed specifically for this profile. The overlay fits into the frame of the 002-series molding without adjustment, without gaps, without mismatches.

The decor for molding MLDPU-002 or MLD-002-MG in the form of overlay NPU-400.1 is a systemic solution. Not a set of parts, but a ready architectural unit.

Product purpose: decor for wall moldings in action

Ask yourself: why is a decorative element needed inside a molding frame at all? After all, the frame itself already structures the wall, sets the rhythm, and creates a classic appearance. Why add an overlay?

Here's the thing. An empty frame on a wall is a structure without content. An architectural form that asks a question but gives no answer. The gaze enters the frame, looks for the center and... finds nothing. Such a space feels incomplete, no matter how neat the molding installation is.

The NPU-400.1 overlay is the answer within the question. It gives the frame a center, the ornament a focus, and the wall completeness. That is whypolyurethane decor for moldingexists as a separate product category, not just as an addition to molding.

Where exactly is NPU-400.1 used:

• Wall decorative panels — a horizontal or vertical row of frames on the walls of living rooms, halls, bedrooms, studies. The overlay is installed in the center of each panel.

• Accent zones — fragments of a wall that need to be highlighted: the wall space between windows, the wall above the sofa, the end wall in a hallway.

• Door trims — decorative overlay above a doorway or on the side verticals of a portal.

• Furniture fronts — doors of cabinets, sideboards, buffets, kitchen sets in a classic style.

• Decorative zones of fireplace portals — ornament as part of the framing gives the portal intimacy and completeness.

• Commercial interiors — reception areas, meeting rooms, hotel lobbies, restaurant halls.

Size 69 × 178 × 21 mm: why it's more important than it seems.

When a buyer sees the dimensions 69 × 178 × 21 mm in a product card, the first impulse is to perceive it as a technical specification. However, behind each number lies a design decision.

69 mm in width is not much. This is an intentionally compact horizontal axis. This format makes the overlay visually light: it does not "spread out" across the width of the frame but occupies a strict vertical position at its center. With a frame width of 160–200 mm, the 69 mm overlay leaves equal space on both sides—a classic centering technique.

178 mm in height—the vertical dominant. It is the height that determines the elongation of the ornament and its "weight" within the frame. With a standard panel frame height of 250 to 350 mm, the 178 mm overlay occupies about half to two-thirds of the height—an ideal proportion for an accent element.

21 mm depth of relief—this is the very parameter responsible for chiaroscuro. With proper lighting—directed spot or side lighting—the 21 mm relief creates an expressive play of shadows. The ornament is not just drawn on a plane but lives in space.

The decorative element for the molding 69×178×21 is not just a "small insert." It is a precisely calculated element of a proportional system.

Collection "Neoclassic Light": Which system NPU-400.1 belongs to

Understanding the meaning of NPU-400.1 is easiest in the context of the system of which it is a part. The collection"Neoclassic Light"is a complete interior decorative set built around the concept of a wall panel: molding as a frame, overlay as an accent.

The CPU-2-1 kit includes:

• MLD-002-MG—molding made of primed MDF, 22 × 11 × 2600 mm: defines the frame perimeter

• NPU-400.1—polyurethane decorative overlay, 69 × 178 × 21 mm: the central ornament of the panel

The overall dimensions of the set are 300 × 2300 × 21 mm. This means that from one set, you can cut molding for several frames depending on their size.

"Neoclassic Light" is a name that accurately reflects the character of the collection. Neoclassicism here is a principle, not a literal reproduction of a historical style. The overlay NPU-400.1 carries a classical ornament but without baroque excess: a pure symmetrical form, moderate relief, neutral white tone. This is decor that works simultaneously in historical apartments and in modern minimalist housing with classical references.

Decor for molding in classical and neoclassical interiors

Let's talk about style. Not in the sense that often turns into lengthy discussions about 'atmosphere' and 'spirit of the era,' but in a practical sense—how exactly NPU-400.1 fits into specific interior concepts.

Strict classicism

In interiors of Russian classicism, Empire, English Georgian style, panel wall design is not decoration but a structure. Horizontal and vertical moldings divide the wall into modules, each carrying its own ornament.decor for moldings in classical style—this is the language architecture speaks when it wants to be solemn.

NPU-400.1 with its vertical-horizontal form and symmetrical ornament fits into this system organically: not too rich, but not impersonal either.

Neoclassicism

Here the principle is the same—grid, frames, central ornament—but the execution is softer. Less gold, fewer bas-reliefs, more air and neutral tones. It is in this context that 'Neoclassic Light' as a collection works best: light, without excess, but with a pronounced architectural character.

To buy decor for molding NPU-400.1 for a neoclassical project means getting an element that scales to any format: from a small apartment to a penthouse, from a home office to a top manager's office.

Transitional style

One of the most popular interior design trends today is the transitional style between modernity and classicism. Here, decorative polyurethane elements for molding work as an 'anchor': they don't turn the space into a historical museum, but add a classic touch that structures and refines the modern look.

Polyurethane as a material: facts without lyricism

One can talk at length about the beauty of ornaments, but in the end, the client asks a pragmatic question: why exactly polyurethane? I'll answer just as pragmatically.

Polyurethane is a closed-cell material without pores. This means: no water absorption, no swelling, no deformation due to humidity fluctuations.Polyurethane moldingsworks equally reliably in an air-conditioned living room, in a steamy bathroom, and in a country house with seasonal temperature swings.

Polyurethane is precise casting. Each NPU-400.1 overlay comes out of the mold identical to the previous one. The relief is reproduced with millimeter accuracy. For modular systems where dozens of identical elements are lined up, this is crucial: no visual discrepancies, no 'close enough' compromises.

Polyurethane is lightweight. An overlay measuring 69 × 178 × 21 mm weighs just a few grams. No dowels, no anchors, no extra load on the wall. Installation is exclusively with adhesive.

Polyurethane is a neutral white surface. Polyurethane molding decor for painting does not require priming with special compounds: standard water-based paint is applied directly to the surface. Any color.

This comparative analysis is not in favor of polyurethane — it's an objective picture. That's why professional designers and foremen choose polyurethane wall overlay decor as a standard solution in most interior projects.

Where NPU-400.1 polyurethane decor is applied: a detailed breakdown

Residential interiors

Living room, dining room, hallway, bedroom, study — in each of these spaces, the panel system made of MLDPU-002 or MLD-002-MG molding with NPU-400.1 overlay creates architectural depth on the wall. This is not finishing — it's interior design.

In small apartments, one row of horizontal panels at half-wall height instantly transforms the perception of space. In high-ceiling apartments (3+ meters), a two-tier system creates the feeling of a palace hall — without a single piece of antique furniture.

Commercial spaces

Restaurants and cafes in classical or neoclassical style — one of the main applications of molding decor in commercial projects. Hotels: corridors, lobbies, deluxe and business rooms. Offices: meeting rooms, executive offices, reception areas.

In these spaces, the decorative overlay on MLDPU-002 molding works not just as a finishing element, but as a tool for shaping brand image. Classical detailing is a signal: aesthetics were considered here, form is valued here, quality is appreciated here.

Furniture facades

Buying NPU-400.1 molding overlay and using it on furniture is a completely legitimate technique. Light weight and adhesive installation make this technically simple. Sliding wardrobe doors, Provence or Neoclassical style kitchen units, sideboards, display cases — the overlay instantly transforms flat facades, giving them architectural character.

Niche portals and fireplaces

The fireplace area is that place in the interior where every detail works with double force. The NPU-400.1 decorative ornament as part of a fireplace portal with 002 series molding creates a complete image: the frame holds the space, the ornament defines the character.

Installation of decorative molding overlay: from marking to painting

Installation of NPU-400.1 does not require special skills. But accuracy and methodicalness are mandatory. Here is the complete algorithm.

Surface preparation

The wall must be level (tolerance no more than 2 mm per 2 m), dry, and degreased. Porous substrates — treat with deep penetration primer. Old paint layers with poor adhesion — remove.

System marking

Determine the location of the frames. Apply horizontal and vertical lines using a spirit level or laser level. Mark the center of each frame — this is the installation point for the NPU-400.1 overlay.

Installation of molding MLD-002-MG

Cut the molding to size, prepare 45° miter cuts. Apply mounting adhesive in a zigzag pattern to the back of the profile. Press against the wall according to the markings, hold for 30–60 seconds until initial setting. If necessary, secure with painter's tape during full drying (12–24 hours depending on the adhesive).

Installation of overlay NPU-400.1

Apply mounting adhesive to the back surface of the overlay in dots or small beads. Important technique for polyurethane products: apply the overlay to the wall, remove, let it sit for 3–5 minutes in the open position — this activates the adhesive. Then press firmly against the surface and hold for 5–10 seconds. Secure with painter's tape if necessary.

Joint sealing

After the adhesive has fully dried, fill the joints between the molding, overlay, and base with acrylic sealant or finishing putty. After drying — sand with P120–180. The result should look like a monolithic surface without visible seams.

Priming and Painting

Prime the entire system—molding, overlay, adjacent wall—with one coat of primer. After drying, apply paint in two coats with intercoat drying. For paintable polyurethane decor, all water-based compositions are suitable: acrylic, water-emulsion, latex.

Stylistic Solutions: Which Finish to Choose for NPU-400.1

A white surface is a starting point, not a limitation. Here are several proven stylistic solutions.

Monochrome—overlay, molding, and wall in one tone. The relief is perceived only through light and shadow. Suitable for modern classic interiors where purity and lack of clutter are important. White, light gray, soft cream.

Contrast—wall in a saturated or dark shade, the system of molding and overlay—in white or light. A classic English technique. Emerald, dark green, sapphire, anthracite on the wall—white system on top. The result is formal, confident.

Aging (patina)—base tone plus dark glaze in the recesses of the relief followed by lightening the protrusions. Imitates historical plaster stucco. For interiors with an authentic classic spirit—no worse than the original.

Metallization—the overlay is painted with imitation gold leaf or metallic paint in gold, silver, bronze. Combined with molding MLD-002-MG, it creates a luxury effect. For formal areas, halls, living rooms with expensive furniture.

Decor for Moldings in Moscow and St. Petersburg: How to Order

NPU-400.1 is available in the catalogSTAVROSwith pickup in Moscow and St. Petersburg and delivery throughout Russia. In St. Petersburg — checkavailability of molding decor in St. Petersburgon the website before ordering.

For complex projects, it is recommended to order the overlay together with the MLD-002-MG molding as part of the CPU-2-1 kit — this guarantees a uniform tone, a single batch, and complete stylistic consistency.

When ordering for a commercial project, request a manager consultation: STAVROS specialists will help calculate the number of elements, select compatible items, and arrange a systematic supply for your project.

Related products and system expansion options

NPU-400.1 is not the only decorative element in the STAVROS ecosystem. If you need corner accents — pay attention to the corner overlayNPU-500(209 × 209 × 18 mm): it covers the corners of decorative frames and creates a sense of ornamentally finished corner transitions.

For moldings of another series — in particular, MLDPU-027 — other compatible overlays from the section are intendeddecoration for moldings. The principle of system compatibility is the same: look for the 'Products for molding' section in the catalog with the required article number.

A wider assortmentmoldings from polyurethanecovers cornices, rosettes, pilasters, corner elements, and decorative moldings of all formats. This allows for building complex multi-level systems—from a simple panel grid to full-fledged architectural space design.

Professional observations: when an overlay works and when it doesn't

Over decades of working with classical decor, a number of patterns have crystallized that are worth considering when choosing an element.

Works: when the frame is proportionate to the overlay. With an internal frame clearance of 180 × 280–320 mm, the NPU-400.1 overlay fits perfectly. If the frame is significantly larger—the element will 'get lost,' and it's better to choose a larger format.

Works: when lighting emphasizes the relief. Spotlights directed at an angle to the wall surface or a side window are the best allies for decorative ornamentation with a 21 mm relief. Uniform diffused light also works but with less expressiveness.

Works: when the system is consistent. One overlay on a wall looks random. A row of five identical panels creates rhythm. Only rhythm turns a decorative element into an architectural solution.

Doesn't work: when the base is uneven. A poorly leveled wall is the main enemy of any system with moldings. Variations of more than 3 mm are visible to the naked eye and impossible to hide with finishing. Level the walls before installation.

Doesn't work: when color is chosen without a system. If the molding is painted one shade, the overlay another, and the wall a third, the system falls apart visually. Choose a unified color scheme for the entire system at the design stage.

FAQ: everything you need to know before ordering NPU-400.1 decor

What is NPU-400.1?
Decorative polyurethane overlay measuring 69 × 178 × 21 mm. Used as a central ornamental element in wall decorative panels with molding from the 002 series.

Which molding is the NPU-400.1 overlay compatible with?
The product is included in the official CPU-2-1 kit together with the MLD-002-MG molding, and is also used with polyurethane molding.MLDPU-002.

What are the exact dimensions of the product?
69 × 178 × 21 mm — width, height, and relief depth respectively.

Can NPU-400.1 be painted?
Yes. The polyurethane surface accepts all water-based paints: acrylic, water-emulsion, latex. Special primer before painting is not required, although one coat of primer improves adhesion and color uniformity.

Is special adhesive required for installation?
Mounting adhesive for polyurethane products or liquid nails without organic solvents. Adhesives containing acetone or solvents must not be used — they destroy polyurethane.

Is the overlay suitable for a bathroom?
Yes. Polyurethane is moisture-resistant, does not swell or deform under high humidity. Provided it is properly painted, the product is suitable for use in bathrooms.

How many overlays are needed for one wall?
One overlay per decorative frame. For a standard system of 6–8 frames, a corresponding number of elements is required. Order with a 5–10% surplus.

What does the overlay look like as part of the system?
A compact horizontally-oriented ornamental element in the center of the decorative panel. When painted to match the molding, it appears as a single relief surface.

Can NPU-400.1 be used on furniture?
Yes. The low weight and adhesive mounting allow for use on furniture fronts, cabinet doors, and case furniture in a classic style.

Where to buy decor for the NPU-400.1 molding?
In the catalogSTAVROS, in the 'Decor for Moldings' section. Pickup in Moscow and St. Petersburg, delivery across all of Russia.

How does NPU-400.1 differ from other overlays in the STAVROS catalog?
It is specifically designed for the MLDPU-002 / MLD-002-MG system and is part of the CPU-2-1 kit in the 'Neoclassic Light' collection. This is a system product with pre-solved compatibility, not a universal overlay for any molding.

How long does a polyurethane decorative overlay last?
With proper installation and high-quality painting — for decades. Polyurethane does not age, lose its shape, or react to household humidity.

The NPU-400.1 decorative overlay is a detail that is seen and felt. Small in size, significant in effect. Buying polyurethane molding decor in this version means investing not in 'finishing,' but in the architectural character of the space. It is precisely such details that distinguish a good interior from merely a beautiful one.