Structural Integrity Meets Refined Architecture
In classical and contemporary architecture, columns serve as defining structural and aesthetic landmarks. However, a column is visually incomplete without a properly proportioned base. The Polure column Alt Kaide (column plinth) collection is engineered to bridge the gap between the column shaft and the floor, establishing a sense of stability, proportion, and weight. Molded from premium rigid polyurethane (PU), these architectural elements replicate the visual weight and grandeur of traditional stone, marble, or plaster work without the associated structural weight and installation complexity. For European architects, designers, and restoration professionals, these column bases provide an efficient, durable, and highly detailed solution for sophisticated interior and exterior projects.
Material Specifications and Technical Capabilities
The performance of the Polure column Alt Kaide collection relies on its advanced material formulation. Manufactured with a high-density range of 150-220 kg/m³, these bases possess a wood-like hardness and structural rigidity while remaining remarkably lightweight. This density ensures high impact resistance, protecting the column bases from foot traffic, cleaning equipment, and daily wear. Unlike traditional plaster, which is prone to cracking, or wood, which is susceptible to rot and insect damage, our closed-cell polyurethane structure exhibits a water absorption rate of below 1%. This negligible moisture permeability ensures exceptional dimensional stability, preventing shrinkage, expansion, warping, or splitting over time. These components have had their dimensional stability tested between -20 °C and +70 °C, maintaining their physical form and structural integrity across diverse climatic conditions. In terms of fire safety, the material has fire class B2 (DIN 4102-1).
Architectural Versatility and Dimensional Profiles
The column Alt Kaide product line is designed to accommodate various column diameters and design languages, from understated minimalist profiles to highly detailed classical orders. Our range includes compact square plinths such as the P5920B (256x256x114 mm), mid-sized options like the P5930B (384x384x170 mm) and P5940B (512x512x227 mm), and grand, large-scale bases like the P5950B (640x640x280 mm). For projects incorporating pilasters or half-columns against flat wall surfaces, we offer dedicated half-profile versions designated with a '50' suffix, such as the P5920B50 and P5940B50. These specialized profiles ensure a seamless, flush fit against the wall, maintaining perfect classical symmetry. Additionally, models like the P5920C (350x350x133 mm) offer distinct geometric transitions that allow designers to customize the visual weight and transition style of the column assembly.
Surface Finish and Custom Paint Applications
Every column Alt Kaide is delivered with a factory-applied primer (primer coat) that seals the surface and provides a uniform foundation for paint adhesion. This factory finish is fully compatible with high-quality water-based and synthetic decorative paints, allowing for custom treatments such as faux-marbling, antiquing, gold leafing, or standard monochromatic finishes. Regarding paint application, the factory-applied primer is designed to prepare the surface for subsequent coatings; however, because paint manufacturers do not guarantee paint adhesion or longevity without the use of their own proprietary primers, applying an additional primer coat prior to final painting is optional and remains at the sole discretion and preference of the customer. Polure does not provide paint warranties and accepts no liability for the performance of third-party coatings applied to our products. For all exterior installations, the application of a high-quality, UV-resistant exterior paint is strictly mandatory to protect the polyurethane from discoloration and yellowing caused by solar radiation.
The Superior Alternative to Traditional Materials
When evaluated against traditional building materials, rigid polyurethane offers clear economic and physical advantages. Plaster bases are fragile, heavy, and highly susceptible to moisture damage during transport and installation. Exterior concrete or stone plinths require heavy machinery, structural reinforcement, and extensive labor to install. Wood bases require ongoing maintenance, sealing, and are vulnerable to rot in damp environments. In contrast, Polure column bases are shatterproof, lightweight, and can be handled easily by a single installer. They can be easily sanded, puttied, and modified on-site to match specific architectural alignments. This reduces labor costs, shortens project timelines, and ensures a maintenance-free architectural feature that retains its pristine appearance for decades.
Usage Areas
The Polure column Alt Kaide collection is highly adaptable, serving both interior decorative functions and demanding exterior applications. In interior design, these column bases are frequently specified for luxury residential foyers, grand hotel lobbies, banquet halls, and corporate offices, providing a clean and dignified transition where structural or decorative columns meet the flooring. The half-column variations, such as the P5920B50, are widely utilized in hallways, corridors, and formal dining rooms as the structural base for wall-mounted pilasters and decorative door surrounds.
For exterior architecture, these polyurethane bases are ideal for residential entryways, porticos, covered verandas, garden pavilions, and balustrade systems. Thanks to their closed-cell structure and low moisture absorption, they perform exceptionally well in coastal areas, high-humidity zones, and regions experiencing severe freeze-thaw cycles. They can also be adapted creatively as decorative pedestals, pilaster terminations along facades, or as base blocks for large window and door jamb assemblies, ensuring architectural continuity across the entire building envelope.
Installation
Achieving a professional and seamless installation of a Column Plinth Base requires adherence to precise technical steps. Begin by ensuring that both the floor surface and the column shaft are clean, dry, and free of dust, grease, or loose debris. Measure and mark the exact placement of the base to ensure perfect alignment with the column centerline. For half-bases or mitered corners, perform precise 45-degree miter cuts using a high-quality miter saw.
Apply a generous, continuous bead of high-performance polyurethane (PU) assembly adhesive to all contact surfaces of the base. Do not use silicone adhesives, as they do not provide the necessary chemical bond or structural strength required for polyurethane materials. Once the base is positioned, mechanical fixing with screws is mandatory to ensure long-term stability and prevent movement while the adhesive cures. Secure the base to the substrate using appropriate screws, countersinking the heads below the material surface.
Fill all screw holes, joints, and seam lines with a high-quality acrylic filler or polyurethane-compatible putty. Once fully cured, sand the filled areas smooth using 180-220 grit sandpaper to create an imperceptible transition. For exterior applications, ensure all joints are sealed with a weather-resistant exterior-grade putty. Finally, clean the surface of all sanding dust, apply an optional primer if recommended by your paint manufacturer, and apply two coats of high-quality UV-resistant paint to complete the installation and protect the material from solar exposure.
Care Information
Maintaining the pristine appearance of Polure Column Plinth Base products is simple and cost-effective. Because the high-density polyurethane material is non-porous and moisture-resistant, dirt, dust, and environmental pollutants remain on the surface rather than penetrating the core. Regular maintenance involves wiping the surface with a soft, damp cloth and a mild, non-abrasive household detergent. Avoid using harsh chemical solvents, high-pressure washers, or abrasive scrubbing pads, which can damage the paint finish. For exterior bases, an annual visual inspection is recommended to ensure that the protective paint layer remains intact and that joint sealants have not been compromised. If mechanical damage occurs, the affected area can be easily repaired on-site by applying putty, sanding with a fine-grit paper, and reapplying the matching topcoat paint.
Sizes and Prices
| Product code | Size (W × L × H) | Price |
|---|---|---|
| P5920B50 | 128 × 256 × 114 mm | 26,15 € |
| P5920C50 | 175 × 350 × 133 mm | 30,86 € |
| P5930B50 | 192 × 384 × 170 mm | 36,07 € |
| P5920B | 256 × 256 × 114 mm | 58,59 € |
| P5940B50 | 256 × 512 × 227 mm | 48,19 € |
| P5950B50 | 320 × 640 × 280 mm | 61,53 € |
| P5920C | 350 × 350 × 133 mm | 55,1 € |
| P5930B | 384 × 384 × 170 mm | 80,07 € |
| P5960B50 | 384 × 768 × 340 mm | 79,85 € |
| P5980B50 | 487 × 975 × 451 mm | 140,45 € |
| P5940B | 512 × 512 × 227 mm | 106 € |
| P5950B | 640 × 640 × 280 mm | 134,22 € |
| P5960B | 768 × 768 × 340 mm | 172,76 € |
| P5980B | 975 × 975 × 451 mm | 297,76 € |
