CILLS

Cills.ie – Made-to-measure aluminium window cills for external insulation and construction Cills.ie is a specialist platform supplying aluminium window cills, flashings, cappings, and custom pressings for external insulation and building projects across Ireland and the UK. Window cills are essential in external wall insulation systems. They protect the façade, move rainwater away from the wall, and create a clean, professional finish around windows and doors. Correct measurements are critical. Even small mistakes can lead to water damage, delays, and extra costs. Cills.ie makes the process simple. The platform helps installers take accurate measurements and order made-to-measure aluminium cills that fit perfectly. This reduces errors, saves time, and ensures reliable results on every project. Products are designed for external insulation (EWI), retrofit, and new build projects, helping insulation contractors, builders, and retrofit professionals achieve durable, weatherproof.