Classic Polyurethane Baluster and Handrail Support
Technical Specifications
| Material | Polyurethane |
|---|---|
| Surface | Classic knurled and scrolled baluster form, smooth surface |
| 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 |
| Dimensions | 146 × 146 × 750 mm |
| Weight | 1.68 kg |
| Sales Unit | piece |
Details
Support
Technical drawing: Download DWG (45 KB)
Similar Products(Handrails and Balusters System)
The PB7513 is a high-density decorative barrier element engineered to elevate the architectural value of balconies, staircases, terraces, and verandas. Designed as a lightweight yet robust alternative to heavy cast stone, concrete, or gypsum, this structural component offers a traditional aesthetic without imposing excessive dead load on your building’s framework. It serves as an exceptional choice for premium residential and commercial projects seeking to achieve a classical architectural signature.
Manufactured from rigid polyurethane with a density of 150-220 kg/m³, the product delivers a wood-like surface hardness and outstanding impact resistance. With a closed-cell structural composition, its water absorption rate remains below 1%, making it highly resistant to rot, swelling, mold, and insect infestation. Its physical form and dimensional stability have been tested between -20 °C and +70 °C, preventing the cracking and warping common in natural timber or plaster alternatives.
Visually, the PB7513 features a highly detailed, symmetrical turned profile. It begins with a solid, square-like top block that transitions smoothly into a series of refined ring collars and a slender neck. The lower section swells into a classic, bulbous bellied body, resting upon a layered circular base. This timeless design replicates the exact proportions of historical stone masonry, providing clean lines and smooth transitions that catch light and shadow beautifully when installed in sequence.
This versatile component is suitable for both interior grand staircases and exterior architectural applications. It is frequently utilized in luxury villa facades, hotel lobby mezzanines, courtyard barriers, and sweeping garden terraces. By repeating these elements at regular intervals beneath a matching handrail, designers can establish a rhythmic, imposing boundary that enhances the prestige of any property.
Installation is straightforward and efficient. The elements are secured using a high-quality polyurethane (PU) assembly adhesive at the contact points, combined with mandatory mechanical fastening using galvanized screws or threaded rods for structural integrity. The factory-applied primer coat prepares the surface for finishing. While this primer simplifies the process, applying a compatible topcoat is necessary, and exterior installations require a premium UV-resistant paint to prevent discoloration over time.
- This architectural baluster is primarily designed for balustrade systems on balconies, terraces, verandas, and staircases
- It is highly effective for defining outdoor residential boundaries, enclosing raised porches, or accenting garden walls
- Indoors, it can be used to create spectacular mezzanine railings or grand staircase balustrades in hotel lobbies, luxury villas, and classic estates
- For optimal visual appeal and safety, space these balusters evenly (typically 10 to 15 cm apart, depending on local building codes) beneath a matching top handrail and bottom rail
- Ensure all mounting surfaces are clean, dry, and free of dust
- Measure and mark the placement points for even spacing
- Apply a generous amount of polyurethane (PU) assembly adhesive to the top and bottom flat bases of the baluster
- Position the baluster and secure it mechanically using steel or galvanized screws or dowels through the center axis to ensure structural stability; mechanical fastening is mandatory
- Fill screw holes and joint seams using an exterior-grade polyurethane filler
- Once cured, sand the joints smooth with 180-220 grit sandpaper
- Finally, apply a high-quality UV-resistant paint
- For outdoor installations, UV-resistant topcoat paint is mandatory to prevent yellowing under direct sunlight
- Maintenance is exceptionally low
- The surface can be cleaned periodically using a damp cloth or low-pressure water spray to remove dust and environmental buildup
- Avoid using high-pressure power washers or harsh, abrasive chemical cleaners that could degrade the paint coating
- For outdoor installations, inspect the joints and paint finish annually; apply localized touch-ups with exterior filler and paint if any hairline cracks appear over time
Can this polyurethane baluster be used for outdoor balconies?
Yes, the PB7513 is fully suited for outdoor applications. Its high-density polyurethane structure has a closed-cell composition with under 1% water absorption, meaning it will not rot or decay due to rain, humidity, or frost. However, for outdoor use, applying a UV-resistant exterior paint is mandatory to protect the material from sun damage and yellowing.
How does this product compare to traditional stone or concrete balusters?
Unlike heavy stone or concrete, this polyurethane baluster is lightweight, which drastically reduces the structural load on balconies and decks. It does not require heavy machinery to transport or install, and its dimensional stability has been tested between -20 °C and +70 °C.
What is the recommended spacing for installing these balusters?
For both aesthetic balance and safety, we generally recommend spacing the balusters approximately 10 to 15 cm apart. Always consult your local building codes to ensure the spacing meets the safety regulations required for residential or commercial barriers in your area.
Does the baluster come pre-painted, and what paint should I use?
The product is delivered with a factory-applied white primer, which prepares the surface for painting. You can apply water-based or synthetic paints. While the factory primer helps paint adhesion, applying a high-quality topcoat is necessary, and UV-resistant paint is mandatory for outdoor projects.
Is mechanical fastening required during installation?
Yes, mechanical fastening is mandatory. While polyurethane (PU) assembly adhesive provides an exceptionally strong bond, you must use screws, threaded rods, or dowels at both the top and bottom joints to ensure the balustrade system is structurally safe and secure.