Products // PROD_14
Architectural aluminium gutters, downpipes, hoppers, and custom drainage details. Color-matched to window and facade systems.

Overview
Complete your facade drainage system with custom-folded gutters, downpipes, and rainwater hoppers. Fabricated from 2mm marine-grade aluminium and powder-coated to the exact RAL colour of your window cills and fascia cladding. Designed for maximum capacity, leak resistance, and visual integration. Build your rainwater system bill of materials on CILLS.ie, download the CILLS app, or call us at +353 1 223 8774 for technical specification support.
This product is configured and priced dynamically. To order this exact detail to your millimetre measurements, please download the Cills app or visit Cills.ie.
Technical Specs
Box gutters, downpipes, custom hoppers, offsets, and brackets
2mm Marine-Grade Aluminium (durable, lightweight, lifetime)
Polyester Powder Coating (PPC) oven-cured at 200°C
Standard downpipe sections and gutter runs up to 3 meters
Pre-welded angles and splice plates with high-performance seals
// Product Feedback
Trade-tested reviews for our rainwater goods specifications.
"Superb quality rainwater goods! The Cills app made it easy to specify exact reveal dimensions on site. We saved hours in measuring and fitting."
"Fabricated precisely to our specifications. Ideal thickness for deep insulation reveals and EWI terminations. Delivered to our site within 4 days."
"Excellent finish and total consistency. Fits behind the window frame perfectly with zero rattle or bowing under thermal expansion. Highly recommend for any commercial build."
// Product FAQ
Yes. All our products are powder coated to the same Qualicoat standard, ensuring perfect color consistency between cills, cappings, gutters, and downpipes.
We supply standard square (e.g. 75x75mm, 100x100mm) and rectangular downpipes, alongside custom offset bends and rainwater collector hoppers.
// Complete System
Standard and deep profile aluminium window cills. Made-to-measure. Powder coated. 3D preview before you order. Retrofit and new build ready.
View Specifications →Custom flashings in any profile for EWI, roofing and weatherproofing. Fabricated to exact sizes, bent and powder coated. Watertight on every detail.
View Specifications →Parapet wall cappings, secret-fix and welded corner cappings, and aluminium trims for cladding, windows, doors and EWI systems.
View Specifications →Multi-segment bay window cills for irregular, angled and corner openings. Single seamless piece. No joints. No leaks. Designed segment by segment on Cills.ie.
View Specifications →Any RAL colour. UV-stable, durable finish on every product. Match your facade, your windows, your spec sheet. Preview shades in real time on Cills.ie.
View Specifications →Non-standard profiles for specific architectural requirements. Thermal breaks, stop ends, EWI termination details. Contact us before ordering to discuss.
View Specifications →// Get the App
Measure on site. Watch your product build in 3D. Order in minutes. Available free on iOS and Android.
// Core Principle
Cills.ie — Measure. Make. Fit.
// Ready to Order
Configure your made-to-measure rainwater goods in 3D. Delivered nationwide in 3 to 5 days.