



Polyurethane Curved Half Column Base Profile 38x77 cm
Technical Specifications
| Material | Polyurethane |
|---|---|
| Surface | 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 77 cm |
| Dimensions | 384 × 768 × 340 mm |
| Weight | 3.36 kg |
| Sales Unit | piece |
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Polyurethane half column base P5960B50 is a curved architectural moulding element designed to form the decorative foundation of half columns in interior and exterior building projects. Measuring 384 mm in depth, 768 mm in width, and 340 mm in height, this profile provides a structured transition for wall-mounted columns and decorative pilasters.
Manufactured from high-density rigid polyurethane with a density of 150-220 kg/m³, this architectural component offers hardwood-like surface hardness while remaining remarkably lightweight. Its closed-cell structure maintains water absorption below 1%, providing resistance against humidity, rot, and moisture damage. With dimensional stability tested between -20 °C and +70 °C, the material maintains its dimensional stability without warping or cracking over time.
The smooth profile features balanced step mouldings that create a refined classical silhouette around half-column shafts. Delivered with a factory-applied primer, the element is fully prepared for final topcoat application using water-based or synthetic paints. While the factory coating readies the surface, applying an additional specialized primer remains optional based on specific paint system guidelines. For outdoor installations, applying a UV-resistant exterior coating is required to protect against sunlight exposure.
Designed strictly as a decorative cladding element rather than a load-bearing support, this base element conceals structural posts, drainage pipes, or flat wall sections with ease. It is suitable for residential entrances, hotel foyers, restaurant halls, covered verandas, and facade cladding systems. The lightweight construction ensures safe and efficient handling during installation compared to traditional concrete, plaster, or stone alternatives.
Installation requires structural mounting using polyurethane (PU) adhesive along with mechanical screw fixings. Joints and screw heads should be filled using polyurethane mastic, followed by light sanding with 180-220 grit sandpaper prior to final painting. Maintenance involves simple cleaning with a soft, damp cloth without resorting to harsh chemical cleaners.
- Polyurethane half column bases serve as decorative foundational elements across diverse architectural settings
- In exterior facade designs, they are applied at building entrances, porticos, villa verandas, and balconies to encase structural posts or add architectural depth around main doorways
- For interior environments, these curved bases enhance grand foyers, hotel reception halls, restaurant interiors, and residential corridors by cladding half columns along feature walls or room dividers
- Because the closed-cell polyurethane material features a water absorption rate under 1%, it is suitable for moisture-prone areas such as covered terraces and poolside structures when finished with UV-resistant coatings
- They can be integrated with matching half-column shafts and capitals to create complete vertical wall assemblies
- Mounting the half column base involves mechanical and adhesive steps
- First, ensure the receiving wall and floor surfaces are clean, dry, and free of dust
- Position the profile and verify alignment
- Apply polyurethane (PU) mounting adhesive evenly along the rear contact edges; do not use standard silicone adhesives
- Secure the base mechanically to the substrate using appropriate screws or wall anchors for structural stability
- Fill screw recesses and joint seams with polyurethane mastic
- Once cured, smooth the filled areas using 180-220 grit sandpaper
- Apply a suitable topcoat paint, ensuring UV-resistant exterior paint is selected for outdoor applications
- Maintaining the polyurethane half column base requires minimal effort due to its non-porous surface
- Clean routine dust and dirt with a damp microfibre cloth and mild soap solution
- Do not use abrasive pads, strong alkaline detergents, or solvent-based chemical cleaners, as these may damage the painted surface
- For outdoor installations, inspect topcoat integrity periodically and reapply UV-protective paint if weather exposure causes fading over time
Can this half column base be installed on exterior facades?
Yes, the element is suitable for outdoor use. Made from rigid polyurethane with water absorption under 1%, it resists rain, frost, and rot. Outdoor applications require finishing with a high-quality UV-resistant exterior paint.
How is the half column base attached to the wall?
It is installed using polyurethane (PU) mounting adhesive combined with mechanical screw fixings into the wall substrate. Gaps and screw heads are sealed with mastic, sanded, and painted.
Is this column base structural or load-bearing?
No, it is a purely decorative architectural cladding element. It cannot support structural loads, but it can be installed around existing load-bearing steel or concrete posts to improve appearance.
What are the main benefits over concrete or plaster column bases?
Unlike concrete or plaster, polyurethane is lightweight, shatterproof, and easy to handle. It will not crack from freeze-thaw cycles or absorb moisture, and it features precise factory-moulded detail.
Does the product come pre-painted?
The product arrives with a factory-applied primer coat, ready for painting. You can apply water-based or synthetic topcoats directly, though additional paint-specific primer may be applied according to your coating manufacturer's recommendations.