


Polyurethane Fireplace Mantel Designs
Technical Specifications
| Material | Polyurethane |
|---|---|
| Surface | Classic motif, carved detail and smooth surface |
| Color | White |
| Density | 150-220 kg/m³ |
| Water Absorption | below 1% |
| Service Temperature | -100 °C / +80 °C |
| Fire Class | B2 (flame retardant) |
| Paintable | Yes |
| Usage | Indoor + Outdoor |
| Water Resistant | Yes |
| Dimensions | 307 × 1446 × 1050 mm |
| Sales Unit | piece |
Details
Support
Matching components and accessories for the KSOM8403H decorative polyurethane electric fireplace mantel
This coordinated set includes the P8403 polyurethane mantel, P3000B and P3000D10 wall panels, and the PH10GSI electric fireplace insert. Designed for seamless integration, these premium components ensure a flawless, elegant installation.
Similar Products(Decorative Electric Fireplace Mantels)


























The KSOM8403H decorative polyurethane fireplace mantel stands out as a prestigious, focal architectural element in interior design. Eliminating the high costs and heavy weight associated with traditional stone or wood fireplaces, this exclusive model brings a classic palace aesthetic to living spaces. It offers an ideal structure, especially in living rooms, to frame artificial flame units or electric fireplaces.
Technically, the product boasts a highly durable and long-lasting structure. Manufactured from high-density rigid polyurethane (150-220 kg/m³), this mantel surround offers wood-like hardness while remaining exceptionally lightweight. Measuring 144.6 cm in width, 105 cm in height, and 30.7 cm in depth, it presents a balanced and substantial presence on wide wall surfaces. Thanks to its closed-cell structure, moisture absorption is below 1%, preventing dimensional instability such as swelling, cracking, or expansion.
Featuring the most elegant lines of classical European architecture in its design details, this model draws attention with its intricately carved leaf and floral relief motifs on the top panel. The curved corbel details on the side pillars and the vertical fluted lines add a symmetrical and majestic atmosphere to the overall look. Thanks to the high-detail precision of polyurethane, the carved figures exhibit an extremely sharp and smooth surface finish.
Offering versatile interior use, this decorative fireplace mantel can be combined with electric or bioethanol heating units to create a stylish fireplace corner. Even without a heating unit, it can be wall-mounted to serve as a decorative console table for displaying mirrors, paintings, candlesticks, or art pieces. It is an excellent decoration choice for hotel lobbies, restaurant reception areas, and luxury residential projects.
During installation, Polure Polfix polyurethane adhesive must be applied to the cleaned surface, followed by mandatory mechanical screw fastening. Once joints and screw holes are filled with joint compound and smoothed with 180-220 grit sandpaper, the painting phase can begin. The product is delivered with a factory-applied primer; any additional priming is optional and at the customer's discretion due to paint manufacturers' warranty conditions. The surface can be easily painted with any water-based or synthetic paint.
- The KSOM8403H fireplace mantel is specifically designed for indoor decoration projects only
- Its most popular application is framing electric or artificial flame fireplace units in spacious living rooms, creating an elegant portal
- Additionally, it can be wall-mounted in bedrooms or studies to serve as a decorative console unit
- It is highly preferred in hotel lobbies, VIP lounges of upscale restaurants, and reception areas of luxury offices to create a warm and prestigious atmosphere
- The wide top shelf, with a depth of 30.7 cm, offers an excellent display area for decorative accessories, books, candles, and frames
- Ensure that the wall surface for installation is dry, clean, and smooth
- Apply Polure Polfix polyurethane adhesive to the rear joint surfaces of the fireplace mantel (silicone adhesives must absolutely not be used)
- Once the product is positioned on the wall, mechanical fastening with screws is mandatory to ensure complete safety
- Screw heads and wall joint lines should be filled with acrylic filler and, once dry, smoothed with 180-220 grit sandpaper
- The factory-applied primer is ready for paint; however, applying an additional coat of primer is optional and depends on user preference, in line with paint brands' warranty standards
- In the final step, apply two coats of water-based or synthetic paint
- Maintenance of the polyurethane decorative fireplace mantel is highly practical
- For dusting, using a slightly damp, soft microfiber cloth is sufficient
- To prevent damage to the paint and material, avoid abrasive wires, harsh sponges, and heavy chemical cleaners containing acid
- Since its water absorption rate is below 1%, it will not swell or rot even in humid environments
- In case of potential impacts or scratches, joint filler can be applied locally to the damaged area, sanded, and easily touched up with paint
Can the KSOM8403H fireplace mantel be used outdoors?
No, this polyurethane fireplace model is manufactured solely for indoor use. Direct exposure to outdoor weather conditions is not recommended. Indoors, thanks to its fully moisture-resistant structure, it can be safely used in all areas except directly inside bathrooms.
Can it be used with real wood-burning fireplaces?
This decorative mantel is designed for use with electric, artificial flame, or bioethanol fireplace units. For safety reasons, it is not recommended for use very close to the firebox of traditional wood-burning fireplaces exposed directly to open flames and high heat. Polyurethane material is resistant to temperatures between -100 °C / +80 °C but must not come into direct contact with fire.
Is it mandatory to use screws during installation?
Yes, to ensure the fireplace mantel is securely fixed to the wall and does not warp over time, using only Polure Polfix adhesive is not sufficient; mechanical fastening with screws is mandatory. Screw heads are subsequently completely concealed with filler and paint.
Does the product need to be painted after installation?
The product is shipped with a factory-applied white primer. However, to achieve a cleaner, smoother look that harmonizes with the room's decor, we recommend applying at least two coats of water-based or synthetic paint after installation.
What are its advantages compared to plaster or wood fireplace mantels?
Compared to plaster, a polyurethane fireplace mantel is extremely lightweight and impact-resistant. Unlike its wooden counterparts, it is unaffected by moisture, water, and insect infestation, and it will not crack or warp over time. Additionally, thanks to its smooth surface, the carved motifs appear much sharper and flawless.
Matching components and accessories for the KSOM8403H decorative polyurethane electric fireplace mantel
This coordinated set includes the P8403 polyurethane mantel, P3000B and P3000D10 wall panels, and the PH10GSI electric fireplace insert. Designed for seamless integration, these premium components ensure a flawless, elegant installation.
Similar Products(Decorative Electric Fireplace Mantels)


























The KSOM8403H decorative polyurethane fireplace mantel stands out as a prestigious, focal architectural element in interior design. Eliminating the high costs and heavy weight associated with traditional stone or wood fireplaces, this exclusive model brings a classic palace aesthetic to living spaces. It offers an ideal structure, especially in living rooms, to frame artificial flame units or electric fireplaces.
Technically, the product boasts a highly durable and long-lasting structure. Manufactured from high-density rigid polyurethane (150-220 kg/m³), this mantel surround offers wood-like hardness while remaining exceptionally lightweight. Measuring 144.6 cm in width, 105 cm in height, and 30.7 cm in depth, it presents a balanced and substantial presence on wide wall surfaces. Thanks to its closed-cell structure, moisture absorption is below 1%, preventing dimensional instability such as swelling, cracking, or expansion.
Featuring the most elegant lines of classical European architecture in its design details, this model draws attention with its intricately carved leaf and floral relief motifs on the top panel. The curved corbel details on the side pillars and the vertical fluted lines add a symmetrical and majestic atmosphere to the overall look. Thanks to the high-detail precision of polyurethane, the carved figures exhibit an extremely sharp and smooth surface finish.
Offering versatile interior use, this decorative fireplace mantel can be combined with electric or bioethanol heating units to create a stylish fireplace corner. Even without a heating unit, it can be wall-mounted to serve as a decorative console table for displaying mirrors, paintings, candlesticks, or art pieces. It is an excellent decoration choice for hotel lobbies, restaurant reception areas, and luxury residential projects.
During installation, Polure Polfix polyurethane adhesive must be applied to the cleaned surface, followed by mandatory mechanical screw fastening. Once joints and screw holes are filled with joint compound and smoothed with 180-220 grit sandpaper, the painting phase can begin. The product is delivered with a factory-applied primer; any additional priming is optional and at the customer's discretion due to paint manufacturers' warranty conditions. The surface can be easily painted with any water-based or synthetic paint.
- The KSOM8403H fireplace mantel is specifically designed for indoor decoration projects only
- Its most popular application is framing electric or artificial flame fireplace units in spacious living rooms, creating an elegant portal
- Additionally, it can be wall-mounted in bedrooms or studies to serve as a decorative console unit
- It is highly preferred in hotel lobbies, VIP lounges of upscale restaurants, and reception areas of luxury offices to create a warm and prestigious atmosphere
- The wide top shelf, with a depth of 30.7 cm, offers an excellent display area for decorative accessories, books, candles, and frames
- Ensure that the wall surface for installation is dry, clean, and smooth
- Apply Polure Polfix polyurethane adhesive to the rear joint surfaces of the fireplace mantel (silicone adhesives must absolutely not be used)
- Once the product is positioned on the wall, mechanical fastening with screws is mandatory to ensure complete safety
- Screw heads and wall joint lines should be filled with acrylic filler and, once dry, smoothed with 180-220 grit sandpaper
- The factory-applied primer is ready for paint; however, applying an additional coat of primer is optional and depends on user preference, in line with paint brands' warranty standards
- In the final step, apply two coats of water-based or synthetic paint
- Maintenance of the polyurethane decorative fireplace mantel is highly practical
- For dusting, using a slightly damp, soft microfiber cloth is sufficient
- To prevent damage to the paint and material, avoid abrasive wires, harsh sponges, and heavy chemical cleaners containing acid
- Since its water absorption rate is below 1%, it will not swell or rot even in humid environments
- In case of potential impacts or scratches, joint filler can be applied locally to the damaged area, sanded, and easily touched up with paint
Can the KSOM8403H fireplace mantel be used outdoors?
No, this polyurethane fireplace model is manufactured solely for indoor use. Direct exposure to outdoor weather conditions is not recommended. Indoors, thanks to its fully moisture-resistant structure, it can be safely used in all areas except directly inside bathrooms.
Can it be used with real wood-burning fireplaces?
This decorative mantel is designed for use with electric, artificial flame, or bioethanol fireplace units. For safety reasons, it is not recommended for use very close to the firebox of traditional wood-burning fireplaces exposed directly to open flames and high heat. Polyurethane material is resistant to temperatures between -100 °C / +80 °C but must not come into direct contact with fire.
Is it mandatory to use screws during installation?
Yes, to ensure the fireplace mantel is securely fixed to the wall and does not warp over time, using only Polure Polfix adhesive is not sufficient; mechanical fastening with screws is mandatory. Screw heads are subsequently completely concealed with filler and paint.
Does the product need to be painted after installation?
The product is shipped with a factory-applied white primer. However, to achieve a cleaner, smoother look that harmonizes with the room's decor, we recommend applying at least two coats of water-based or synthetic paint after installation.
What are its advantages compared to plaster or wood fireplace mantels?
Compared to plaster, a polyurethane fireplace mantel is extremely lightweight and impact-resistant. Unlike its wooden counterparts, it is unaffected by moisture, water, and insect infestation, and it will not crack or warp over time. Additionally, thanks to its smooth surface, the carved motifs appear much sharper and flawless.







