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Testimonial

Straight + Corner Pieces

Custom Aluminium Capping

for Walls & Parapets

Order custom aluminium capping online. Designed, powder coated, and delivered. Our wall capping protects parapet walls, garden walls, and EWI projects from weather damage with a clean, maintenance-free finish. Choose secret fix or face fix profiles, select any RAL colour, and get your capping made-to-measure in Ireland.

Order Without Second Guessing

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Capping Pieces Designed

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Saved from Measurement Errors

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Orders Delivered On Time

Corners Were Always the Hard Part.

Not Anymore.

Measuring L-shaped corner pieces used to mean complex calculations and crossed fingers. Our dedicated corner designer calculates exact dimensions and shows you a preview before ordering.

Dedicated 90° corner piece designer

Automatic L-shape area calculations

Visual preview before ordering

Perfect mitred joints guaranteed

Corner Calculator

Side 1 Length

150mm

Side 2 Length

150mm

Width

150mm

Thickness

25mm

Calculated Area

0.0225 m²

Designed for Real-World Projects

Every feature built from contractor feedback on what actually matters.

Straight Capping Designer

Enter length, width, front edge and thickness. Get instant 3D visualization and pricing.

Full RAL Library

Match any existing finish with our complete RAL colour selector and live preview.

90° Corner Pieces

Purpose-built corner designer calculates L-shaped pieces perfectly for seamless external corners.

EWI Integration

Designed for External Wall Insulation projects. Input your insulation depth, get the right projection.

Automatic Calculations

Surface area and volume calculated instantly. Never guess material quantities again.

Weather Protection

Precision-formed drip edges prevent water ingress and protect your insulation investment.

Straight Capping Designer

Enter length, width, front edge and thickness. Get instant 3D visualization and pricing.

Automatic Calculations

Surface area and volume calculated instantly. Never guess material quantities again.

EWI Integration

Designed for External Wall Insulation projects. Input your insulation depth, get the right projection.

90° Corner Pieces

Purpose-built corner designer calculates L-shaped pieces perfectly for seamless external corners.

Full RAL Library

Match any existing finish with our complete RAL colour selector and live preview.

Weather Protection

Precision-formed drip edges prevent water ingress and protect your insulation investment.

Straight Capping Designer

Enter length, width, front edge and thickness. Get instant 3D visualization and pricing.

90° Corner Pieces

Purpose-built corner designer calculates L-shaped pieces perfectly for seamless external corners.

Automatic Calculations

Surface area and volume calculated instantly. Never guess material quantities again.

Full RAL Library

Match any existing finish with our complete RAL colour selector and live preview.

EWI Integration

Designed for External Wall Insulation projects. Input your insulation depth, get the right projection.

Weather Protection

Precision-formed drip edges prevent water ingress and protect your insulation investment.

Popular Applications

Aluminium capping protects and finishes a wide range of projects.

Parapet Walls

Protect exposed parapet walls from

weather damage with precision-fitted

capping.

Protect exposed parapet walls from

weather damage with precision-fitted

capping.

Garden Walls

Give boundary walls a clean, maintenance-

free finish that lasts for decades.

Give boundary walls a clean, maintenance-

free finish that lasts for decades.

EWI Projects

Complete your external insulation with

matching capping that seals and protects.

Complete your external insulation with

matching capping that seals and protects.

Technical Specifications

Material

Premium Aluminium

Thickness

1.5mm / 2mm

Maximum Length

3000mm

Width Range

50mm - 500mm

Finish

Polyester Powder Coat

Corner Options

90° Internal & External

EWI Ready

All capping is designed to work seamlessly with External Wall

Insulation systems. Simply enter your insulation thickness and we

calculate the correct projection.

All capping is designed to work seamlessly with External Wall

Insulation systems. Simply enter your insulation thickness and we

calculate the correct projection.

Weather Sealed

Precision-formed drip edges and return ends ensure water is

channelled away from your walls, protecting your investment for

decades.

Precision-formed drip edges and return ends ensure water is

channelled away from your walls, protecting your investment for

decades.

Design Your Capping Today

Straight capping, corner pieces, any RAL colour. Get started in minutes.

Start Designing Free

Custom Powder-Coated Colours for Every Aluminium Window Cill

Match any facade with RAL-certified powder coating. Our aluminium window cills, flashings, cappings,

and trims are made-to-measure and finished in your exact colour.

Match any facade with RAL-certified powder coating. Our aluminium window cills, flashings, cappings,

and trims are made-to-measure and finished in your exact colour.

RAL 7016

Slate Grey

RAL 7015

Anthracite Grey

RAL 7032

Pebble Grey

RAL 7044

Silk Grey

RAL 8028

Terra Brown

RAL 9003

Signal White

Why Colour with Cills.ie?

Any RAL colour: hundreds of architectural finishes with UV-stable,

durable coating.

Any RAL colour: hundreds of architectural finishes with UV-stable,

durable coating.

Perfect matching: on-site measuring devices capture the exact RAL

shade for windows and facades.

Perfect matching: on-site measuring devices capture the exact RAL

shade for windows and facades.

Made-to-measure aluminium: precision fabrication for cills, bay/angled

cills, parapet cappings & weatherproof flashings.

Made-to-measure aluminium: precision fabrication for cills, bay/angled

cills, parapet cappings & weatherproof flashings.

Retrofit-ready: designed for SEAI external wall insulation systems with

clean, watertight detailing.

Retrofit-ready: designed for SEAI external wall insulation systems with

clean, watertight detailing.

Order in minutes: measure, preview colour, and track manufacturing &

delivery inside the app.

Order in minutes: measure, preview colour, and track manufacturing &

delivery inside the app.

Open Colour Picker

Explore More Products

All our aluminium products are designed and manufactured in Ireland with the

same precision and quality.

View all products

Window Cills

Standard aluminium window cills with 3D preview and instant pricing.

Learn more

Bay & Complex Cills

Multi-segment bay windows designed piece by piece.

Learn more

Flashings & Trims

Custom flashings in any profile for EWI androofing.

Learn more

View all products

Frequently Asked

Questions

Have another question? Please contact
our team!

What is secret fix capping?

Secret fix capping uses hidden brackets so no screws are visible on the finished surface, giving a cleaner look for modern buildings.

What thickness aluminium do you use?

Can you make corner pieces?

How long is delivery?

Is your capping suitable for EWI projects?

Company

Products

Built by Viable Software

Company

Products

Built by Viable Software

Company

Products

Built by Viable Software