![](data:image/svg+xml,<svg display="block" role="presentation" viewBox="0 0 18 18" xmlns="http://www.w3.org/2000/svg"><g d="M 14.402 4.799 C 14.401 4.228 14.096 3.701 13.601 3.415 L 8.001 0.215 C 7.506 -0.072 6.896 -0.072 6.4 0.215 L 0.801 3.415 C 0.306 3.701 0.001 4.228 0 4.799 L 0 11.201 C 0.001 11.772 0.306 12.299 0.801 12.585 L 6.4 15.786 C 6.896 16.071 7.506 16.071 8.001 15.786 L 13.601 12.585 C 14.096 12.299 14.401 11.772 14.402 11.201 Z M 0 3.6 L 6.961 7.601 L 13.922 3.6 M 6.961 15.602 L 6.961 7.601" fill="transparent" height="16px" id="xxOyguK5U" transform="translate(1.8 1)" width="14.401873250590196px"><path d="M 14.402 4.799 C 14.401 4.228 14.096 3.701 13.601 3.415 L 8.001 0.215 C 7.506 -0.072 6.896 -0.072 6.4 0.215 L 0.801 3.415 C 0.306 3.701 0.001 4.228 0 4.799 L 0 11.201 C 0.001 11.772 0.306 12.299 0.801 12.585 L 6.4 15.786 C 6.896 16.071 7.506 16.071 8.001 15.786 L 13.601 12.585 C 14.096 12.299 14.401 11.772 14.402 11.201 Z" fill="transparent" height="16px" id="IsGIlB_sN" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.6" stroke="rgb(50, 90, 103)" width="14.401873250590196px"/><path d="M 0 0 L 6.961 4 L 13.922 0 M 6.961 12.002 L 6.961 4" fill="transparent" height="12.001560909770937px" id="wHDqs4Zoh" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="1.6" stroke="rgb(50, 90, 103)" transform="translate(0 3.6)" width="13.921810808903885px"/></g></svg>)
Straight + Corner Pieces
Straight + Corner Pieces
Custom Aluminium Capping
Custom Aluminium Capping
for Walls & Parapets
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.
Live Platform Stats
Live Platform Stats
![](data:image/svg+xml,<svg display="block" role="presentation" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M 8 16 C 3.582 16 0 12.418 0 8 L 0 8 C 0 3.582 3.582 0 8 0 L 8 0 C 12.418 0 16 3.582 16 8 L 16 8 C 16 12.418 12.418 16 8 16 Z" fill="rgba(255, 255, 255, 0.1)" height="16px" id="WnDMalx2v" width="16px"/><path d="M 6.434 4.434 C 6.508 4.508 6.568 4.597 6.608 4.694 C 6.648 4.791 6.669 4.895 6.669 5.001 C 6.669 5.106 6.648 5.21 6.608 5.307 C 6.568 5.405 6.508 5.493 6.434 5.567 L 5.567 6.434 C 5.493 6.509 5.405 6.568 5.307 6.608 C 5.21 6.648 5.106 6.669 5.001 6.669 C 4.895 6.669 4.791 6.648 4.694 6.608 C 4.597 6.568 4.508 6.509 4.434 6.434 L 0.234 2.234 C 0.084 2.083 0 1.88 0 1.667 C 0 1.455 0.084 1.251 0.234 1.101 L 1.101 0.234 C 1.251 0.084 1.455 0 1.667 0 C 1.88 0 2.083 0.084 2.234 0.234 Z" fill="transparent" height="6.6692px" id="veuzlB9_D" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(4.666 4.666)" width="6.6692px"/><path d="M 0 0.667 L 0.667 0" fill="transparent" height="1px" id="LedltuhIJ" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(8.833 7.5)" width="1px"/><path d="M 0 0.667 L 0.667 0" fill="transparent" height="1px" id="Y2L7MhKDp" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(7.833 6.5)" width="1px"/><path d="M 0 0.667 L 0.667 0" fill="transparent" height="1px" id="suDHSQ89P" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(6.833 5.5)" width="1px"/><path d="M 0 0.667 L 0.667 0" fill="transparent" height="1px" id="eFlv7pG95" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(9.833 8.5)" width="1px"/></svg>)
Capping Pieces Designed
Capping Pieces Designed
Capping Pieces Designed
![](data:image/svg+xml,<svg display="block" role="presentation" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M 8 16 C 3.582 16 0 12.418 0 8 L 0 8 C 0 3.582 3.582 0 8 0 L 8 0 C 12.418 0 16 3.582 16 8 L 16 8 C 16 12.418 12.418 16 8 16 Z" fill="rgba(255, 255, 255, 0.1)" height="16px" id="J0PMoxy_5" width="16px"/><path d="M 6.667 3.333 L 3.833 0.5 L 2.167 2.167 L 0 0" fill="transparent" height="3.333333333333334px" id="gf2vxJRcv" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(4.667 6.333)" width="6.666666666666666px"/><path d="M 0 2 L 2 2 L 2 0" fill="transparent" height="2px" id="HT5lwCg7D" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(9.333 7.667)" width="2px"/></svg>)
Saved from Measurement Errors
Saved from Measurement Errors
Saved from Measurement Errors
![](data:image/svg+xml,<svg display="block" role="presentation" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M 8 16 C 3.582 16 0 12.418 0 8 L 0 8 C 0 3.582 3.582 0 8 0 L 8 0 C 12.418 0 16 3.582 16 8 L 16 8 C 16 12.418 12.418 16 8 16 Z" fill="rgba(255, 255, 255, 0.1)" height="16px" id="PzPD5OC7Z" width="16px"/><path d="M 2.34 6 C 1.755 6.002 1.19 5.784 0.759 5.388 C 0.327 4.993 0.059 4.451 0.009 3.867 C -0.042 3.284 0.129 2.703 0.487 2.24 C 0.845 1.777 1.363 1.465 1.94 1.367 C 3.84 1 4.34 0.827 5.007 0 C 5.34 0.667 5.674 1.393 5.674 2.667 C 5.674 4.5 4.08 6 2.34 6 Z" fill="transparent" height="6.000010641340655px" id="b0y9fShzq" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(5.326 4.667)" width="5.673748340186666px"/><path d="M 0 3 C 0 2 0.617 1.213 1.693 1 C 2.5 0.84 3.333 0.333 3.667 0" fill="transparent" height="3px" id="Q_2X196iI" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(4.667 8)" width="3.666666666666666px"/></svg>)
Aluminium Waste Prevented
Aluminium Waste Prevented
Aluminium Waste Prevented
![](data:image/svg+xml,<svg display="block" role="presentation" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M 8 16 C 3.582 16 0 12.418 0 8 L 0 8 C 0 3.582 3.582 0 8 0 L 8 0 C 12.418 0 16 3.582 16 8 L 16 8 C 16 12.418 12.418 16 8 16 Z" fill="rgba(255, 255, 255, 0.1)" height="16px" id="vHwfY_X2r" width="16px"/><path d="M 3.333 6.667 C 5.174 6.667 6.667 5.174 6.667 3.333 C 6.667 1.492 5.174 0 3.333 0 C 1.492 0 0 1.492 0 3.333 C 0 5.174 1.492 6.667 3.333 6.667 Z" fill="transparent" height="6.666666666666666px" id="VQHlMNoK0" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(4.667 4.667)" width="6.666666666666666px"/><path d="M 0 0.667 L 0.667 1.333 L 2 0" fill="transparent" height="1.333333333333334px" id="HSM6CfLQa" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(255, 255, 255)" transform="translate(7 7.333)" width="2px"/></svg>)
Orders Delivered On Time
Orders Delivered On Time
Orders Delivered On Time
Corners Were Always the Hard Part.
Corners Were Always the Hard Part.
Corners Were Always the Hard Part.
Not Anymore.
Not Anymore.
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
Dedicated 90° corner piece designer
Automatic L-shape area calculations
Automatic L-shape area calculations
Visual preview before ordering
Visual preview before ordering
Perfect mitred joints guaranteed
Perfect mitred joints guaranteed
Corner Calculator
Side 1 Length
150mm
Side 2 Length
150mm
Width
150mm
Thickness
25mm
Calculated Area
0.0225 m²
0.0225 m²
0.0225 m²
Designed for Real-World Projects
Designed for Real-World Projects
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
Popular Applications
Popular Applications
Aluminium capping protects and finishes a wide range of projects.
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
Technical Specifications
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
Design Your Capping Today
Design Your Capping Today
Straight capping, corner pieces, any RAL colour. Get started in minutes.
Custom Powder-Coated Colours for Every Aluminium Window Cill
Custom Powder-Coated Colours for Every Aluminium Window Cill
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
RAL 7016
RAL 7016
Slate Grey
Slate Grey
Slate Grey
RAL 7015
RAL 7015
RAL 7015
Anthracite Grey
Anthracite Grey
Anthracite Grey
RAL 7032
RAL 7032
RAL 7032
Pebble Grey
Pebble Grey
Pebble Grey
RAL 7044
RAL 7044
RAL 7044
Silk Grey
Silk Grey
Silk Grey
RAL 8028
RAL 8028
RAL 8028
Terra Brown
Terra Brown
Terra Brown
RAL 9003
RAL 9003
RAL 9003
Signal White
Signal White
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.
Explore More Products
All our aluminium products are designed and manufactured in Ireland with the
same precision and quality.
![](data:image/svg+xml,<svg display="block" role="presentation" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M 4 16 C 1.791 16 0 14.209 0 12 L 0 4 C 0 1.791 1.791 0 4 0 L 12 0 C 14.209 0 16 1.791 16 4 L 16 12 C 16 14.209 14.209 16 12 16 Z" fill="rgba(50, 90, 103, 0.1)" height="16px" id="bmi7aVfsk" width="16px"/><path d="M 6 4.666 L 6 1.999 C 6 1.882 5.969 1.768 5.91 1.666 C 5.852 1.565 5.768 1.481 5.667 1.423 L 3.333 0.089 C 3.232 0.031 3.117 0 3 0 C 2.883 0 2.768 0.031 2.667 0.089 L 0.333 1.423 C 0.232 1.481 0.148 1.565 0.09 1.666 C 0.031 1.768 0 1.882 0 1.999 L 0 4.666 C 0 4.783 0.031 4.898 0.09 4.999 C 0.148 5.1 0.232 5.184 0.333 5.243 L 2.667 6.576 C 2.768 6.634 2.883 6.665 3 6.665 C 3.117 6.665 3.232 6.634 3.333 6.576 L 5.667 5.243 C 5.768 5.184 5.852 5.1 5.91 4.999 C 5.969 4.898 6 4.783 6 4.666 Z" fill="transparent" height="6.6653px" id="YD7RZpjSA" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(50, 90, 103)" transform="translate(5 4.667)" width="6px"/></svg>)
![](data:image/svg+xml,<svg display="block" role="presentation" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M 4 16 C 1.791 16 0 14.209 0 12 L 0 4 C 0 1.791 1.791 0 4 0 L 12 0 C 14.209 0 16 1.791 16 4 L 16 12 C 16 14.209 14.209 16 12 16 Z" fill="rgba(50, 90, 103, 0.1)" height="16px" id="EClMUwqFs" width="16px"/><path d="M 6 1.999 C 6 1.882 5.969 1.768 5.91 1.666 C 5.852 1.565 5.768 1.481 5.667 1.423 L 3.333 0.089 C 3.232 0.031 3.117 0 3 0 C 2.883 0 2.768 0.031 2.667 0.089 L 0.333 1.423 C 0.232 1.481 0.148 1.565 0.09 1.666 C 0.031 1.768 0 1.882 0 1.999 L 0 4.666 C 0 4.783 0.031 4.898 0.09 4.999 C 0.148 5.1 0.232 5.184 0.333 5.243 L 2.667 6.576 C 2.768 6.634 2.883 6.665 3 6.665 C 3.117 6.665 3.232 6.634 3.333 6.576 L 5.667 5.243 C 5.768 5.184 5.852 5.1 5.91 4.999 C 5.969 4.898 6 4.783 6 4.666 Z" fill="transparent" height="6.6653px" id="jzoe2oEHa" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(50, 90, 103)" transform="translate(5 4.667)" width="6px"/><path d="M 0 0 L 2.9 1.667 L 5.8 0" fill="transparent" height="1.6666666666666679px" id="f_RthgIlT" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(50, 90, 103)" transform="translate(5.1 6.333)" width="5.800033333333317px"/><path d="M 0 3.333 L 0 0" fill="transparent" height="3.333333333333332px" id="f7tTqFpix" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(50, 90, 103)" transform="translate(8 8)" width="1px"/></svg>)
![](data:image/svg+xml,<svg display="block" role="presentation" viewBox="0 0 16 16" xmlns="http://www.w3.org/2000/svg"><path d="M 4 16 C 1.791 16 0 14.209 0 12 L 0 4 C 0 1.791 1.791 0 4 0 L 12 0 C 14.209 0 16 1.791 16 4 L 16 12 C 16 14.209 14.209 16 12 16 Z" fill="rgba(50, 90, 103, 0.1)" height="16px" id="pokEelSey" width="16px"/><path d="M 0 0.333 C 0.2 0.5 0.4 0.667 0.833 0.667 C 1.667 0.667 1.667 0 2.5 0 C 3.367 0 3.3 0.667 4.167 0.667 C 5 0.667 5 0 5.833 0 C 6.267 0 6.467 0.167 6.667 0.333" fill="transparent" height="1px" id="fdFqpk0Kt" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(50, 90, 103)" transform="translate(4.667 5.667)" width="6.666666666666666px"/><path d="M 0 0.333 C 0.2 0.5 0.4 0.667 0.833 0.667 C 1.667 0.667 1.667 0 2.5 0 C 3.367 0 3.3 0.667 4.167 0.667 C 5 0.667 5 0 5.833 0 C 6.267 0 6.467 0.167 6.667 0.333" fill="transparent" height="1px" id="jISdfDNbU" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(50, 90, 103)" transform="translate(4.667 7.667)" width="6.666666666666666px"/><path d="M 0 0.333 C 0.2 0.5 0.4 0.667 0.833 0.667 C 1.667 0.667 1.667 0 2.5 0 C 3.367 0 3.3 0.667 4.167 0.667 C 5 0.667 5 0 5.833 0 C 6.267 0 6.467 0.167 6.667 0.333" fill="transparent" height="1px" id="pIamUHF9l" stroke-dasharray="" stroke-linecap="round" stroke-linejoin="round" stroke-width="0.67" stroke="rgb(50, 90, 103)" transform="translate(4.667 9.667)" width="6.666666666666666px"/></svg>)
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 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 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.
