


Polyurethane Window Sill and Exterior Wall Profile
Details
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The P81373BU serves as a premium architectural moulding designed to frame windows, doors, and facades with outstanding precision. Providing clean, structured borders, this profile elevates the exterior and interior architectural character of modern and classical buildings alike.
Manufactured from high-density rigid foam (150-200 kg/m³), this 163 mm high and 47 mm deep profile delivers the structural hardness of wood without its natural vulnerabilities. With a standard length of 2400 mm, it offers a robust, impact-resistant framing solution. Its closed-cell structure ensures water absorption remains below one percent, preventing rot, warping, or insect damage over decades of exposure to harsh weather.
Visually, the profile features a smooth, flat front face that gently curves backward, creating a soft transition that catches light beautifully. The engineered hollow back with dual mounting fins optimizes adhesive grip and ensures a lightweight structure that does not add excessive load to building facades. This minimalist yet prominent design blends seamlessly into neo-classical, contemporary, or transitional architectural styles.
Highly versatile, this durable trim is ideal for window surrounds, door architraves, facade segmentations, and high-end interior wall panelling. Whether applied to a residential villa facade, a commercial lobby, or an elegant hotel corridor, it establishes a clear, high-end definition of space. Its excellent thermal and acoustic insulation properties add functional value to its visual appeal.
Installation is clean and efficient. Secure the profile to a dry, clean surface using a polyurethane (PU) assembly adhesive combined with mechanical screws for permanent stability. The factory-applied primer prepares the surface for son-coat painting; however, applying a specialized primer before the final two coats of UV-resistant paint is optional and recommended according to paint manufacturers' guidelines. Polure does not assume liability for paint adhesion or performance.
Compared to traditional plaster or heavy concrete mouldings, this lightweight alternative reduces labor costs and eliminates the risk of structural cracking. For seamless joints, fill any gaps with exterior-grade joint filler, perform a light sanding with 180-220 grit paper, and complete the process with high-quality paint. This ensures a uniform, monolithic look that endures.
- The P81373BU profile is specifically designed as a window sill, door surround, or decorative horizontal band for both indoor and outdoor applications
- On exterior facades, it serves as a robust window casing that channels rain away while adding a classic architectural framing to residential villas, commercial hotels, and historic restoration projects
- Indoors, its substantial 163 mm height makes it an excellent choice for grand door architraves, high-profile baseboards, or a transition moulding between wall panels in luxury living rooms, hotel lobbies, and executive offices
- To create a cohesive look, pair it with vertical pilasters or use it as a continuous band around the building envelope to define floor divisions
- For interior design, it can be utilized to create bold, three-dimensional wall frames or custom bed headboards when combined with corner elements
- When painted with UV-resistant exterior paint, it withstands extreme temperature fluctuations from -20°C to +80°C, making it a reliable choice for exposed seaside properties and mountain cabins alike
- Ensure the installation surface is dry, clean, and free from loose dust
- Measure and cut the profile to a 45-degree miter angle at corners
- Apply polyurethane (PU) assembly adhesive evenly along the back mounting fins of the profile
- Press firmly onto the wall and secure mechanically with screws to prevent slipping while the adhesive cures
- Once fully cured, fill screw holes and joints with an acrylic exterior-grade filler
- Sand the filled areas smoothly using 180-220 grit sandpaper
- While the factory-applied primer prepares the surface, applying an additional paint-specific primer is optional and depends on your paint manufacturer's warranty terms
- Apply two coats of high-quality water-based or synthetic paint (UV-resistant paint is mandatory for outdoor installations)
- Maintaining the P81373BU profile is simple due to its water-resistant closed-cell surface
- For indoor installations, occasionally wipe down with a damp cloth or mild soapy water to remove dust
- For outdoor applications, the profile can be washed with pressurized water at a moderate distance; avoid high-pressure industrial washers close to the joints
- Do not use harsh abrasive cleaners, strong acids, or solvents that could damage the paint layer
- We recommend checking the paint finish on exterior installations every few years to ensure the UV protection layer remains intact, especially in south-facing areas exposed to intense sunlight
Similar Products(Söveler)




























































The P81373BU serves as a premium architectural moulding designed to frame windows, doors, and facades with outstanding precision. Providing clean, structured borders, this profile elevates the exterior and interior architectural character of modern and classical buildings alike.
Manufactured from high-density rigid foam (150-200 kg/m³), this 163 mm high and 47 mm deep profile delivers the structural hardness of wood without its natural vulnerabilities. With a standard length of 2400 mm, it offers a robust, impact-resistant framing solution. Its closed-cell structure ensures water absorption remains below one percent, preventing rot, warping, or insect damage over decades of exposure to harsh weather.
Visually, the profile features a smooth, flat front face that gently curves backward, creating a soft transition that catches light beautifully. The engineered hollow back with dual mounting fins optimizes adhesive grip and ensures a lightweight structure that does not add excessive load to building facades. This minimalist yet prominent design blends seamlessly into neo-classical, contemporary, or transitional architectural styles.
Highly versatile, this durable trim is ideal for window surrounds, door architraves, facade segmentations, and high-end interior wall panelling. Whether applied to a residential villa facade, a commercial lobby, or an elegant hotel corridor, it establishes a clear, high-end definition of space. Its excellent thermal and acoustic insulation properties add functional value to its visual appeal.
Installation is clean and efficient. Secure the profile to a dry, clean surface using a polyurethane (PU) assembly adhesive combined with mechanical screws for permanent stability. The factory-applied primer prepares the surface for son-coat painting; however, applying a specialized primer before the final two coats of UV-resistant paint is optional and recommended according to paint manufacturers' guidelines. Polure does not assume liability for paint adhesion or performance.
Compared to traditional plaster or heavy concrete mouldings, this lightweight alternative reduces labor costs and eliminates the risk of structural cracking. For seamless joints, fill any gaps with exterior-grade joint filler, perform a light sanding with 180-220 grit paper, and complete the process with high-quality paint. This ensures a uniform, monolithic look that endures.
- The P81373BU profile is specifically designed as a window sill, door surround, or decorative horizontal band for both indoor and outdoor applications
- On exterior facades, it serves as a robust window casing that channels rain away while adding a classic architectural framing to residential villas, commercial hotels, and historic restoration projects
- Indoors, its substantial 163 mm height makes it an excellent choice for grand door architraves, high-profile baseboards, or a transition moulding between wall panels in luxury living rooms, hotel lobbies, and executive offices
- To create a cohesive look, pair it with vertical pilasters or use it as a continuous band around the building envelope to define floor divisions
- For interior design, it can be utilized to create bold, three-dimensional wall frames or custom bed headboards when combined with corner elements
- When painted with UV-resistant exterior paint, it withstands extreme temperature fluctuations from -20°C to +80°C, making it a reliable choice for exposed seaside properties and mountain cabins alike
- Ensure the installation surface is dry, clean, and free from loose dust
- Measure and cut the profile to a 45-degree miter angle at corners
- Apply polyurethane (PU) assembly adhesive evenly along the back mounting fins of the profile
- Press firmly onto the wall and secure mechanically with screws to prevent slipping while the adhesive cures
- Once fully cured, fill screw holes and joints with an acrylic exterior-grade filler
- Sand the filled areas smoothly using 180-220 grit sandpaper
- While the factory-applied primer prepares the surface, applying an additional paint-specific primer is optional and depends on your paint manufacturer's warranty terms
- Apply two coats of high-quality water-based or synthetic paint (UV-resistant paint is mandatory for outdoor installations)
- Maintaining the P81373BU profile is simple due to its water-resistant closed-cell surface
- For indoor installations, occasionally wipe down with a damp cloth or mild soapy water to remove dust
- For outdoor applications, the profile can be washed with pressurized water at a moderate distance; avoid high-pressure industrial washers close to the joints
- Do not use harsh abrasive cleaners, strong acids, or solvents that could damage the paint layer
- We recommend checking the paint finish on exterior installations every few years to ensure the UV protection layer remains intact, especially in south-facing areas exposed to intense sunlight