Cornice Moulding Exterior - White - C820

Exterior cornices introduce subtle curves to add a bit more style to your eaves detailing. The pol...

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Professional Building SuppliesOrac Decor White Cornice Moulding Exterior - 2440Mm X 200Mm X 160Mm
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PVC Cladding UKOrac Decor White Cornice Moulding Exterior - 2440Mm X 200Mm X 160Mm
Free delivery in 1–3 days
£147.58
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Product Information

Full details

The Orac Decor C820 Exterior Cornice Moulding is designed for homeowners and contractors looking to add architectural elegance to eaves and roofline details. Its primary benefit is the ability to soften plain building elevations with subtle curves using a durable, lightweight, and low-maintenance material. A key caveat is that while the material is resilient, it requires specific exterior-grade adhesives and proper surface preparation to ensure longevity against seasonal weather changes.

All features

ColourWhite
Model Part NumberC820
BrandOrac Decor

Extended Product Information

FAQs

Is the C820 mouldable for curved walls?

No, this specific model is designed for straight runs and corner mitres; it does not have the flexibility for curved radius walls.

Do I need to prime the material before painting?

The C820 comes with a white primer coating, so it is generally ready for a topcoat of high-quality exterior paint.

Can I use wood glue to install this?

No, you must use an exterior-grade polyurethane adhesive designed for structural bonding to ensure it stays in place during temperature fluctuations.

What tools are needed for installation?

You will need a miter saw, a tape measure, a sealant gun for the adhesive, and standard safety gear.

How long will this product last outdoors?

When installed correctly with appropriate exterior adhesives and maintained, polyurethane moulding is highly durable and can last for many years without degrading.

Troubleshooting

Joints appearing to open up after installation

Ensure that a high-quality joint adhesive was used during the build and that the surfaces were completely dry before bonding.

Adhesive failing to stick to the wall

Verify that the mounting surface is free from oil, grease, or peeling paint. If the surface is porous, apply a primer first.

Difficulties cutting a perfect corner

Use a sharp, fine-toothed miter saw and a miter box to ensure the angles are accurate before applying adhesive.

Pros and Cons

Pros

  • Lightweight for easier overhead installation
  • Impervious to moisture and rot
  • Supplied with a white finish ready for immediate installation
  • Easy to cut and mitre for complex roof shapes
  • Provides a sophisticated, professional architectural finish

Cons

  • Requires professional-grade exterior adhesive for permanent bond
  • Not intended for structural load-bearing applications
  • May require painting if a specific custom color match is desired

Setup, Compatibility & Care

For the best results, ensure the mounting surface is clean, dry, and free of dust or loose debris before beginning installation. Use an exterior-grade structural adhesive suitable for polyurethane to fix the cornice to the substrate. All joints should be treated with a specific joint adhesive to prevent hairline cracks due to thermal expansion. Once installed, if you choose to paint, ensure the use of high-quality exterior water-based paint. Care is minimal; occasional inspection of the joints and a light pressure wash (on a low setting) or a wipe-down with mild soapy water will keep the mouldings looking pristine for years.

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