Exterior Crown Mouldings

Elevate your roofline with prestigious exterior crown mouldings, meticulously engineered to provide a sophisticated architectural transition with maximum structural prestige.

These moisture-proof cornices ensure a seamless, monolithic finish that is impact-resistant and climate-resilient.

Achieve a permanent, maintenance-free masonry aesthetic with the enduring durability of advanced modern engineering for your home’s facade.


Our high-performance cornice profiles eliminate the heavy weight of pre-cast stone and the thermal expansion gaps common in PVC. See why Mouldex is the definitive 5th category of architectural composites.

Georgian-style red brick home featuring elegant white exterior composite window and door trim mouldings, including a grand portico with Doric columns and matching window pediments.

Exterior Crown Mouldings Specifications

Composite Durability

Engineered with a high-density EPS core and polymer-modified cement coating for 100% moisture and rot resistance.

Ultra-lightweight

Weighing 90% less than traditional pre-cast concrete, our trims eliminate the need for structural wall reinforcement.

Zero Maintenance

An insect-proof and weather-resistant alternative to wood and PVC that requires no regular painting or sealing.

Zero-Joint Expansion

Advanced cementitious finish prevents splitting and warping, ensuring seamless joints across all exterior facades.

 
The Augusta: 3-1/2 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings by Mouldex Composites
 
The Buckingham 3-1/2 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings by Mouldex Composites
 
The Corso: 4 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings only by Mouldex Composites
 
The Dovercourt: 5 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings by Mouldex Composites
 
The Euclid: 6 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings only by Mouldex Composites
 
The Julia: 6 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings only by Mouldex Composites
 
The Forest Hill: 6-7/8 inches Composite Exterior Crown Moulding - Premium cement coated foam moldings by Mouldex Composites
 
The Portland: 7 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings only by Mouldex Composites
 
The Quinte: 7-1/8 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings by Mouldex Composites
 
The Rosedale: 7-1/2 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings by Mouldex Composites
 
The Goulding: 8 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings only by Mouldex Composites
 
The Holly: 9-3/16 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings  by Mouldex Composites
 
The Stephanie: 9-1/2 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings by Mouldex Composites
 
The Sophia: 10-1/2 inches Composite Exterior Crown Moulding - Premium cement coated foamcore moldings by Mouldex Composites
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Mouldex Exterior Composite Engineering & Performance

Exterior architectural mouldings, whether used for window trim, sills, or cornices, play a dual role in both aesthetic enhancement and building protection. At Mouldex, we manufacture a proprietary composite solution designed to solve the inherent failures of traditional masonry and wood materials.

1. The Evolution of Foamcore

Mouldex profiles represent a generational leap in material science. We utilize a High-Density Expanded Polystyrene (EPS) core, wrapped in an alkali-resistant fiberglass mesh and encapsulated in a proprietary polymer-modified cement shield. This creates an inorganic, durbale exterior that is 100% moisture-proof and impact-resistant, engineered to outperform traditional foamcore, pre-cast, wood/MDF, and PVC.

2. Versatile Substrate Compatibility

Unlike traditional trims designed for a single wall type, Mouldex is engineered for Universal Compatibility. Our adhesive-based bonding technology is optimized for a permanent, structural hold on Brick, Stone, Stucco, Vinyl/Siding, and ICF. This eliminates the 0.00003 thermal expansion gaps found in PVC and the moisture rot common in Wood and MDF.

3. Unmatched Customization & Arches

Where rigid materials like PVC and wood fail, Mouldex excels. Our Bespoke Customization allows us to manufacture precision-cut Arches, Full Circles, Ovals, and Ellipticals to match any architectural radius. Utilizing advanced CNC technology, we can replicate historical profiles or create modern shapes with a 7–10 days.

4. Timestone Look Without the Weight

Traditional pre-cast concrete requires expensive structural reinforcement and heavy machinery. Mouldex provides an indistinguishable masonry aesthetic at 1/10th the weight. This Weight Efficiency eliminates the need for cranes or wall-load upgrades, typically providing a 75% total cost savings over stonecast products.

5. Engineered for Freeze-Thaw Cycles

Our proprietary coating is the definitive choice for the Northern US and Canadian climates. While GFRC and fiberglass alternatives often crack under thermal stress, Mouldex is engineered for Zero-Joint Expansion, maintaining its structural integrity through extreme temperature swings.

6. Pro-Grade, Fast-Track Installation

Our Nail-less Installation system utilizes high-bond architectural masonry adhesives. This prevents the building envelope from being compromised by thousands of nail holes and eliminates the risk of rusting fasteners bleeding through your finish over time. For larger shapes, we utilize a rear attachment mechanism for stability and safety.

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