Polyurethane Half Column Base 18x35x13 cm Classic Relief
Technical Specifications
| Material | Polyurethane |
|---|---|
| Surface | Embossed, With Motifs, Smooth |
| 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 35 cm |
| Dimensions | 175 × 350 × 133 mm |
| Weight | 0.53 kg |
| Sales Unit | piece |
Details
Support
Similar Products(Architectural Columns and Pillars)
A polyurethane half column base is a specialized architectural element designed to form the decorative foundation of semicircular pilasters or wall-mounted half columns. The P5920C50 model brings refined neoclassical aesthetic detail to structural transitions, serving as an elegant bottom plinth in architectural projects. Manufactured with precision molding, it seamlessly integrates with standard column shafts while elevating the overall visual proportion of entryways, facades, and interior walls.
Crafted from high-density rigid polyurethane with a density of 150-220 kg/m³, this element delivers structural stiffness comparable to solid wood while remaining lightweight for single-installer handling. The material exhibits a closed cellular structure with water absorption below 1%, providing resistance to humidity, rot, and swelling. With dimensional stability tested between -20 °C and +70 °C, the component maintains high dimensional stability without shrinking, warping, or cracking over time.
The visual composition of the 175x350x133 mm profile features a distinct semicircular radius defined by crisp, detailed relief work. A prominent carved band of classic palmette and leaf ornamentation transitions smoothly into a broad, rounded lower base torus. Supplied with a factory primer coating, the smooth, non-porous surface provides optimal adhesion for subsequent applications of water-based or synthetic topcoats.
This versatile half column base is engineered for dual application across indoor and outdoor environments. In exterior facades, it enhances porticos, building entrances, villa verandas, and hotel loggias when finished with UV-resistant exterior paint. Inside interiors, it elevates grand hallways, living room feature walls, dining areas, and hotel reception lobbies by anchoring decorative pilasters to baseboards with timeless symmetry.
Installation requires fixing the lightweight component using a premium polyurethane (PU) mounting adhesive combined with mechanical screw fixings. Unlike gypsum or natural stone, the unit places zero structural load on supporting walls. Joint seams and fastener heads are easily sealed with exterior-grade filler and smoothed using 180-220 grit sandpaper before paint application.
Choosing this synthetic composite element over heavy plaster or moisture-vulnerable wood guarantees long-term durability and low maintenance. The non-load-bearing plinth can be easily wiped clean with a damp cloth, retaining its sharp relief details and crisp structural lines throughout years of exposure.
- The polyurethane half column base is designed for both exterior architectural facades and interior wall arrangements
- Exterior applications include building entryways, porticos, villa columns, balcony supports, covered terraces, and hotel exterior facades when finished with UV-resistant topcoat paint
- Interior applications include grand entrance halls, hotel reception lobbies, restaurant interiors, living room feature pilasters, fireplace surrounds, and corridor decorative accents
- The half-round profile fits flush against flat wall surfaces to enclose or decorate existing structural supports or purely ornamental wall pilasters
- Ensure the application surface is dry, clean, and free of dust
- Position the half column base accurately beneath the column shaft
- Apply polyurethane (PU) mounting adhesive evenly along the flat rear contact edge and upper joint interface
- Secure the component mechanically with screws or anchors for primary mechanical support while the adhesive cures
- Fill fastener holes and connection joints with exterior putty, then sand smooth with 180-220 grit sandpaper
- Apply an optional additional primer if recommended by your topcoat manufacturer, followed by two coats of suitable paint
- Clean the surface periodically using a soft cloth dampened with mild soapy water
- Avoid wire brushes, abrasive sponges, or aggressive solvent-based chemical cleaners that could strip the painted surface
- For outdoor installations, inspect the finish periodically and reapply UV-resistant topcoat paint when necessary to maintain long-term surface integrity
Is this half column base suitable for outdoor weather exposure?
Yes, the high-density polyurethane material features a closed cellular structure with under 1% water absorption, making it resistant to rain, frost, and high humidity without swelling or decomposing. For exterior use, it must be painted with a high-quality UV-resistant exterior topcoat.
Can this polyurethane column base support structural weight?
No, this architectural component is decorative and non-load-bearing. It is designed to encase structural steel or concrete posts or to complete ornamental pilasters and half columns on flat interior or exterior walls.
What adhesive and fasteners are recommended for installation?
Installation requires a high-strength polyurethane (PU) mounting adhesive on rear contact edges, along with mandatory mechanical screw or nail fixings to ensure long-term stability. Do not use silicone adhesives.
What advantages does polyurethane offer over traditional plaster or stone bases?
Polyurethane is light (150-220 kg/m³ density), placing minimal strain on walls while enabling easy single-person installation. Unlike plaster, it is less prone to crumbling or cracking during handling, and unlike stone or timber, it is resistant to moisture, decay, and insect damage.
Is an additional coat of primer necessary before painting?
The component comes pre-primed at the factory to prepare the surface for topcoat adhesion. However, because paint manufacturers often specify their own system primers to maintain product warranties, applying an additional primer is optional and left to the customer's choice.