Gate Sianna
Architect Aluminium
Available as hinged and sliding gate
The Sianna gate offers understated modernity with clean lines that suit all types of homes. Its large panels are perfect for large entrances while maintaining the elegance of the Archy range. It will secure your home and your privacy outdoors.
Level of privacy : Solid
Top shape : Straight
Maximum leaves dimensions : 4750 x 2000 mm
Maximum sliding dimensions : 5500 x 2250 mm
Assembly method : Welded Aluminum
*Due to manufacturing technical constraints, maximum widths and heights may be revised.
High and low hinges : lacquered in the same colour as the portail
Posts : aluminium posts to match the portail as option
House number : laser cut or alunox
Mailbox : lacquered in the same colour as the portail
All our aluminum gates are available in over 300 standard colours
View colours
Access control optional : doorbell, keypad, video intercom...
Connected motorisation : available
Connected parcel box : available as option
All our gate aluminium models are guaranteed for 30 years on manufacturing and powder coating. Easy to maintain, just use clean water, a non-abrasive sponge and a soft absorbent cloth to preserve the beauty of your gate.
They have a bespoke Kostum
Customer testimonials
Very attractive English-style guardrail with an English-style installation
Johann
October 19, 2025
Very good product
Richard
October 7, 2024
Very good product quality, materials and installation quality.
christopher
April 9, 2025
Product very well packaged, installation is relatively easy.
eric
August 2, 2023
Perfect, I recommend it 100%
Mathis
December 12, 2025
Very good product
elodie
June 22, 2024
Good design Beautiful colour
Dominique
May 27, 2025
Superb product Easy installation
jacky
February 11, 2025
Exceptional quality product, beautifully packaged and superbly finished
Michel
June 9, 2025
Very satisfied with the design and colour. I feel secure. Installation took only one day and the result is superb. I recommend Kostum
Sylvie
October 16, 2024
High-quality Kostum gate. Beautiful finish. Delighted.
Francois
January 29, 2026
Easy installation thanks to the hardware, smooth operation thanks to the rigidity of the product.
Hubert
September 26, 2024
Top notch, very professional, the finish on our gate is magnificent. I recommend you 100%.
Alexa
April 22, 2024
Superb product, really top notch
Yanis
November 7, 2024
Very beautiful, high-quality, Bespoke gate.
sand
November 18, 2025
Excellent work! It's even more beautiful than we imagined...
Ritt
October 5, 2025
Installation of a guardrail, top notch, nothing to say I recommend
Michael
May 24, 2025
Gate and pedestrian gate installed by my landscaper. Very good quality and beautiful design.
Samuel
October 9, 2025
Very high-quality products with a 25-year paint Warranty! I recommend
Peneau
September 11, 2024
High quality and easy to install in a day.
JF
November 13, 2025
Quality product
Julien
June 29, 2025
Very beautiful gate
Emilie
October 21, 2025
Superb quality!!! I highly recommend them.
Mathieu
June 3, 2025
Perfect gate and pedestrian gate! Very good quality.
Mathieu
February 22, 2024
LITENN sliding gate and matching fence installed in the south of France, incomparable quality and, above all, made in France, more specifically in Brittany. I would recommend this manufacturing company without hesitation.
Kartman-78
May 13, 2024
50 years of French know-how and custom work
600 qualified installers for a flawless installation
20,000 custom projects completed every year
30-year warranty on manufacturing and coating
Complete your project
Garden harmony
You might also like...
Down to the smallest details
The Kostum newsletter
Stay inspired all year round with our outdoor design tips, trends for enjoying the outdoors and all the latest news from the Kostum brand by signing up to our newsletter.