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Protect window openings and external rendering from dampness and water ingress. High-quality aluminium window cills and custom secret-fix flashing profiles are essential for retrofitted external wall insulation. Get quotes from vetted installation specialists today.
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Check out this selection of custom-formed 2mm marine-grade aluminium parapet cappings and secret-fix window flashings recently fitted by our registered installers:
Fitted Parapet Capping
Recently Completed
Custom Fabrication Spec
Aluminium window cills provide complete protection for modern home renovations. Powder-coated to match window profiles (like Anthracite Grey RAL 7016), they resist rust, algae, and freeze-thaw damage. Crucially, they extend far enough beyond external insulation boards to shed water cleanly away from facades, preventing staining and render deterioration.
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Dublin-based aluminium fabricators. Measuring, manufacturing and fitting.
Unit 19, Westlink Industrial Estate Kylemore Rd, Inchicore, Dublin 10
Cills.ie manufactures aluminium window sills, aluminium parapet cappings, fascias, soffits, rainwater goods and bespoke aluminium fabrications for Irish contractors. Measure on site from your phone, see the exact shape in 3D, and order in minutes. Made to measure in Dublin. Nationwide delivery.
Window cills and flashings shed water away from the window opening and prevent water ingress behind the building facade. Custom-formed metal or aluminium window cills are crucial for properties with External Wall Insulation (EWI).
Aluminium is lightweight, extremely durable, will not rot or rust like timber or steel, and does not crack under frost like concrete cills. It can be powder coated to any RAL colour to match window trims.
Yes. Our registered installers fit custom-formed aluminium window cills and corner-welded cill flashings tailored to your property's specific window openings.