Polyurethane Smooth Half Column Shaft 15x30x240 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 30 cm |
| Dimensions | 150 × 300 × 2400 mm |
| Weight | 4.20 kg |
| Sales Unit | piece |
Details
Support
Similar Products(Architectural Columns and Pillars)
Polyurethane smooth half column shaft P5830B50 is an architectural element engineered for both interior and exterior decorative wall cladding. Featuring a clean, semicircular geometry with a 150 mm projection depth, 300 mm width, and 2400 mm height, this profile brings classical column structure to flat surfaces without requiring structural space or heavy masonry work.
Manufactured from high-density rigid polyurethane at 150-220 kg/m³, this column shaft delivers exceptional structural stability while remaining lightweight for easy single-person handling. The closed-cell foam structure provides non-porous performance with less than 1% water absorption, ensuring resistance to humidity, rot, and insect damage. With dimensional stability tested between -20 °C and +70 °C, it performs reliably in rigorous outdoor climates as well as controlled indoor spaces.
Visually, the product exhibits a smooth, unadorned surface profile with precise cylindrical curvature. The factory-applied white primer coat provides a uniform base ready for topcoat application using water-based or synthetic paints. Its minimalist surface allows seamlessly integrated pairings with decorative bases and capitals, complementing both modern and classical facade designs.
This half column shaft is extensively applied on villa facade entrances, hotel lobby walls, grand reception halls, covered terraces, and decorative wall partitions. When painted with UV-resistant coatings, it serves as an ideal exterior element around doorways or porticos. Indoors, it can be mounted directly onto flat drywall or masonry surfaces to create elegant pilaster features or to conceal existing non-decorative utility pipes and structural elements.
Installation requires fixing the lightweight shaft with polyurethane (PU) mounting adhesive combined with mechanical screw fasteners for optimal long-term security. Joints and mechanical fastening points are finished with suitable filler and sanded using 180-220 grit sandpaper before topcoat application. Compared to plaster or concrete columns, polyurethane offers break-resistant durability, low weight, and effortless maintenance while putting only a limited load on floors or building foundations.
- This polyurethane smooth half column shaft is engineered for versatile application across residential and commercial architecture
- In exterior settings, it elevates building facades, villa entrance porticos, balcony surrounds, and courtyard walls when finished with weather-resistant, UV-rated exterior paint
- Indoors, it transforms plain interior walls in dining halls, hotel lobbies, office receptions, and corridor passages into sophisticated pilaster features
- It is also frequently utilized to wrap around existing structural posts or conceal electrical conduits and piping on flat surfaces
- Due to its moisture resistance, the profile can be safely installed in humid environments such as covered patio areas, indoor pool enclosures, and spa wellness centers
- Ensure the application surface is clean, dry, and free of dust or grease
- Cut the polyurethane half column shaft to the required length using a fine-toothed saw if adjustments are necessary
- Apply polyurethane (PU) mounting adhesive along the rear contact edges of the shaft
- Position the element firmly against the wall and secure it mechanically using stainless steel screws or wall anchors for reliable structural support
- Seal joint lines and screw heads with exterior-grade or interior wall filler
- After curing, sand smooth with 180-220 grit sandpaper
- Apply an optional extra primer if required by your paint manufacturer, then finish with two coats of water-based or synthetic paint
- Polyurethane half column shafts require minimal upkeep over their lifespan
- Clean the surface periodically using a soft cloth or sponge moistened with warm water and mild household detergent
- Avoid using abrasive scrubbing pads, harsh solvents, or high-pressure power washers that could scratch or erode the painted finish
- For outdoor installations, inspect topcoat paint every few years and reapply UV-resistant exterior paint as needed to preserve vibrant color and protect against UV degradation
Is this polyurethane half column suitable for outdoor facades?
Yes, the product is water-resistant with water absorption below 1%. For outdoor facade installation, it must be painted with a high-quality UV-resistant exterior paint to prevent sunlight discoloration.
How is the column shaft installed and finished?
The half column shaft is attached using polyurethane (PU) mounting adhesive and secured mechanically with screws. After filling joints and countersunk screw heads, sand the surface with 180-220 grit sandpaper and paint with water-based or synthetic coats.
Can this half column carry structural loads?
No, polyurethane column components are strictly decorative and non-load-bearing. However, they can be installed around existing load-bearing steel or concrete columns to provide an architectural cladding finish.
What are the advantages of polyurethane over concrete or plaster columns?
Polyurethane has a high density of 150-220 kg/m³, making it lightweight, shatter-resistant, and impervious to moisture and insects. Unlike plaster, it will not crack from humidity, and unlike concrete, it puts minimal weight on building structures.
Does the product come pre-painted?
The shaft is delivered with a factory-applied white primer coat, preparing the surface for topcoat application. Additional priming before final painting remains optional according to your specific paint brand guidelines.