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Budgeting for a home extension, new build, or deep retrofit in Ireland requires a clear understanding of material and labor costs. If you are installing parapet walls or boundary walls, choosing the right capping (coping) material will impact both your initial construction costs and long-term maintenance bills.
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| Cost Element | 2mm Custom Aluminium (cills.ie) | Concrete Coping |
|---|---|---|
| Material (Supply Only) | €750 – €1,200 | €350 – €600 |
| Corners & Joint Accessories | €120 – €180 | €80 – €120 |
| Installation Labor | €350 – €600 | €600 – €1,200 |
| Total Project Cost | €1,220 – €1,980 | €1,030 – €1,920 |
| 10-Year Maintenance Cost | €0 | €400 – €800 (Repointing) |
1. Wall Width (Projection): The wider the wall, the more sheet metal is required to fabricate the capping. A capping designed to cover a standard 200mm block wall is cheaper than one designed for a 380mm wall (which includes 100mm–150mm of external wall insulation).
2. Corners and Details: Factory-welded corner units and stop ends require hand-craftsmanship and welding in our workshop. A roof with multiple steps, height changes, and non-standard angles will cost more than a straight boundary wall run.
3. Finish: Mill finish (raw silver) is the cheapest option but PPC polyester powder coating in custom RAL colours is highly recommended to protect the metal from corrosion and ensure color compatibility.
4. Labor Efficiency: Because cills.ie cappings clip onto pre-installed brackets without visible screw fixings, installation is exceptionally fast. A typical 15-linear-metre flat-roof extension can be completed by two installers in half a day, reducing overall builder labor fees.
No. We fabricate custom orders of all sizes, from a single window cill or small extension capping to large commercial developments.
In the Republic of Ireland, standard supply-only materials are subject to VAT at 23%. If a contractor supplies and installs the capping, the project may qualify for the reduced VAT rate of 13.5% on services.
Measure the width of the structural wall, then add the thickness of any insulation and render on both sides. Add 40mm of overhang for each exposed side to get your required capping width.
No. All necessary internal mounting brackets, joint plates, and installation fasteners are included in our linear-metre pricing.
Factory-welded 90-degree corner units typically cost between €45 and €85 each (plus VAT), depending on the profile width.
Yes. If your wall is at a non-standard angle, measure it using a digital protractor and submit it to us. We will weld a custom corner piece in our workshop to fit your wall perfectly.
Our online measuring app provides quotes instantly. For complex project plans submitted via email, we usually provide a quote within 1 working day.
Yes. We deliver custom-fabricated cappings directly to building sites across all 32 counties in Ireland (Republic of Ireland and Northern Ireland) within 3 to 5 working days.
No. The powder-coated finish is self-cleaning in rain. We recommend a simple rinse with soapy water once a year to remove dust and dirt, particularly in coastal areas.
Yes. Aluminium is 100% recyclable, making it an environmentally friendly and sustainable material choice for your building.
Get connected with vetted local capping contractors for a professional installation.