Exterior Crown Molding
Polure exterior crown moldings create imposing roofline transitions, eave cornices, and exterior wall border detailing for building facades. Manufactured from high-density rigid polyurethane (150-220 kg/m³), these exterior cornices offer wood-like mechanical durability and hail-resistant performance without adding heavy structural load to roof overhangs. Engineered with a closed-cell polymer matrix and water absorption under 1%, they will never rot, swell, warp, or harbor mold under constant rain, snow, or sub-zero frosts. Thermally stable across temperatures from -100 °C / +80 °C and rated B2 for fire safety, they arrive pre-coated with factory white acrylic primer. Installation involves cutting 45° miters, applying continuous PU assembly adhesive along rear contact points and joining edges, and securing with mechanical countersunk screws. Fill joints with facade putty, sand lightly (180-220 grit), and finish with UV-resistant exterior paint.
Frequently Asked Questions
What material is used to manufacture Polure exterior crown molding?
It is crafted from high-density rigid polyurethane (150-220 kg/m³), providing hail resistance, B2 fire safety, and lightweight durability.
Will exterior crown molding withstand severe winter frost and heavy rain?
Yes, with water absorption below 1% and thermal stability from -100 °C / +80 °C, it will not absorb water, rot, swell, or crack outdoors.
How should joints between exterior crown molding lengths be sealed?
Continuous PU assembly adhesive must be applied along all joint edges and screwed securely. Joints are then sealed with exterior facade filler.
Is painting required for exterior crown molding?
Yes, to prevent long-term UV fading of the technical primer, exterior crown moldings must be painted with UV-resistant exterior facade paint.