
Windowsills
Stock lengths and made-to-measure welded sills for new build, retrofit and EWI projects.
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Precision-fabricated in Dublin
Bespoke aluminium windowsills, cappings and flashings—manufactured with precision, finished to specification and delivered nationwide.
Built for the trade
PCT Aluminium is a family-run Dublin manufacturer supplying builders, EWI contractors, window installers, roofers and architects throughout Ireland.
From a single made-to-measure sill to a full project package, our team combines careful fabrication with straightforward advice and dependable lead times.
Discover our story →Core range

Stock lengths and made-to-measure welded sills for new build, retrofit and EWI projects.
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Clean, durable parapet and wall cappings folded precisely to your project dimensions.
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Custom flashings and folded profiles for roofing, façades, windows and architectural details.
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Professional finishes in standard colours or your chosen RAL specification.
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Share dimensions, drawings, photos, quantities and required finish.
Profiles are cut, folded, welded and finished by our Dublin team.
Collect from Tallaght or arrange delivery anywhere in Ireland.
Have a project in mind?
Send us your measurements or drawings for a fast, clear quotation.