Large Polyurethane Column Capital for Classical Architecture
Technical Specifications
| Material | Polyurethane |
|---|---|
| Surface | Acanthus-leaf, volute motif, carved detail |
| Color | White |
| Density | 150-220 kg/m³ |
| Water Absorption | below 1% |
| Dimensional Stability Test | -20 °C / +70 °C |
| Fire Class | B2 (DIN 4102-1) |
| Paintable | Yes |
| Usage | Indoor + Outdoor |
| Water Resistant | Yes |
| Diameter | Ø 128 cm |
| Dimensions | 640 × 1280 × 965 mm |
| Weight | 15.12 kg |
| Sales Unit | piece |
Details
Support
Similar Products(Columns)
The P528050 polyurethane column capital is a monumental decorative element that blends the grandeur of classical architecture with modern manufacturing technology. Designed for large-scale projects, this architectural element crowns columns and pillars, enhancing the vertical character of any space. It serves as an aesthetic transition element that evokes a sense of structural support in both interior and exterior designs.
Measuring 640x1280x965 mm, this majestic capital is manufactured from high-density (150-220 kg/m³) rigid polyurethane (Rigid PU). Offering the workability and durability of wood in a lightweight form, this structure is highly resistant to cracking, chipping, and wear, unlike plaster or polystyrene (EPS). Thanks to its closed-cell structure, it has low water absorption (below 1%), ensuring long-lasting performance outdoors without deterioration.
Its visual design draws inspiration from the Corinthian order of Ancient Greek and Roman architecture, featuring rich acanthus leaves and elegant volute scrolls. Deeply carved surface details and symmetrical spiral curves give the product a striking three-dimensional depth. The smooth surface comes pre-primed from the factory, providing an excellent base for custom paint finishes.
This large-scale column capital is particularly favored in grand spaces such as hotel lobbies, wedding venues, restaurant entrances, luxury villa facades, and prestigious public buildings. It can be installed as a decorative wrap around existing reinforced concrete or steel circular columns, or positioned as the crowning glory of freestanding decorative pillars.
During installation, the capital is secured to the surface using Polure Polfix polyurethane adhesive and must be reinforced with mechanical screws for a safe and secure fit. Include the product weight and fixing loads when assessing the substrate and supporting structure. For exterior applications, painting with UV-resistant paint is essential to protect against sunlight. While the factory primer facilitates paint adhesion, applying an additional primer coat remains at the customer's discretion.
- This monumental polyurethane column capital is the perfect architectural element to define vertical boundaries and create an aesthetic focal point in spacious, high-ceilinged projects
- In exterior designs, it is ideal for crowning porticos at mansion and villa entrances, grand entrance pillars on hotel facades, and wide terrace columns
- Indoors, it is widely used on columns in wedding venue stages, restaurant reception areas, and hallway transitions in luxury residences
- Positioned at the top of circular columns, it provides a smooth, artistic transition between the ceiling and the column shaft
- Thanks to its large dimensions, it can serve not only as a decorative capital but also as a visual supporting element, such as a bracket or corbel under wide eaves and balconies on exterior facades
- The installation surface must be completely free of dust, moisture, and dirt
- Apply Polure Polfix polyurethane adhesive to the rear joint surfaces of the product and place it onto the installation area
- Due to the large size and weight of the product, mechanical fastening with screws or dowels is mandatory to prevent slipping while the adhesive cures
- Screw heads and joints should be filled with high-quality exterior putty and sanded smooth using 180-220 grit sandpaper
- Although the factory primer prepares the surface, applying an additional primer coat is recommended in line with paint manufacturers' warranty terms
- Complete the process by applying at least two coats of water-based or synthetic topcoat paint
- For exterior applications, the use of UV-resistant paint is mandatory
- Assess water and moisture exposure using the product technical data, surface finish and installation details
- Indoor dust can be easily cleaned with a damp cloth
- For exterior applications, washing with high-pressure water is perfectly safe
- Avoid using abrasive chemicals and stiff brushes during cleaning
- To ensure long-lasting durability, it is recommended to inspect the painted surface on exteriors once a year and touch up the paint if necessary
Will this column capital withstand outdoor weather conditions?
Yes, thanks to its rigid polyurethane structure, its dimensional stability has been tested between -20 °C and +70 °C, and its water absorption rate is below 1%. However, for exterior use, it must be painted with UV-resistant exterior paint to protect it from sunlight.
Which adhesive should I use to install the product?
You should use Polure Polfix polyurethane adhesive, which is specially formulated for installation. Silicone-based adhesives are not suitable for this product. Additionally, due to the large size of the product, mechanical fastening with screws is required in addition to the adhesive.
Does the product come pre-painted, and can I paint it directly?
The product is shipped with a white factory primer that prepares the surface for painting. However, since paint manufacturers may not guarantee applications done without their own primers, applying an additional primer coat before painting is entirely at the customer's discretion.
What are the advantages of polyurethane column capitals compared to plaster alternatives?
Being extremely lightweight compared to plaster, it adds no static load to the building and is much easier to install. It is also impact-resistant, does not crack or crumble when exposed to moisture, and features much sharper, clearer details.
Can this capital be used as a load-bearing column?
No, polyurethane column capitals and shafts are purely decorative and do not have any load-bearing capacity. They are designed to wrap around existing structural concrete or steel columns, or to create freestanding decorative pillars.