Architectural interior systems
Warmth & Design · NATURE System
Invisible technology for wood in motion.
Discover the essence of NATURENew solution · System SK GLASS
Elegance and Durability within everyone's reach.
Transform your environment with SK GLASSSince 1931
We design and create transformable and organic spaces.
Since 1931, we have passionately and diligently dedicated ourselves to specializing in the design and manufacture of systems for sliding, folding, and hinged doors. Throughout our history, we have refined our techniques and developed innovative solutions that meet the highest standards of quality and functionality.
Interior partitioning systems.
At KLEIN you will find the newest solutions to install sliding, swing, and folding doors.
And accessories for sliding, folding and swing doors.
Quality
We strive for excellence in all our actions.
The most demanding international design certifications endorse our expertise, the result of 90 years of experience and constant innovation. We do not simply deliver what we agree to, we strive and challenge ourselves daily to exceed expectations. We take pride in a job well done and give full importance to details that are invisible but make all the difference.
Since
1931
90 years of experience and constant innovation.
Factory
Barcelona
Design, modelling, manufacturing, post-production and assembly, entirely in our Barcelona factory.
Test cycles
100,000
KLEIN® systems are tested to over 100,000 cycles.
Warranty
5 years
From the date of purchase against any manufacturing defect.
Certifications and awards
Sustainability.
We aim to sustainably balance financial performance, social wellbeing, and environmental preservation. Within this framework, our activity positively impacts three areas: our people, the local community, and the environment. We audit with EPD and Cradle to Cradle systems to set quantifiable improvement targets.
Solar energy
70%
Our photovoltaic solar energy installation generates the equivalent of 70% of the company's electrical consumption.
Waste
Zero
A zero-waste policy aimed at reducing, reusing, recycling and recovering.
EPD
The EPD (Environmental Product Declaration) allows to highlight an environmentally friendly product, based on life cycle information according to international standards and quantified environmental data, and verified by an independent third party.
Cradle to Cradle
The most ambitious and practical internationally recognized certification for designing and manufacturing healthy, circular and responsible products for a better future for all.
ISO 14001
ISO 14001 is a globally recognized standard that outlines the requirements for an environmental management system (EMS).
KLEIN services for professionals.
Take advantage of all the services that KLEIN makes available to its professionals and save time in the selection and assembly of our system.
Installers
Quote generator
We help you select the ideal system for your project and give you tools to obtain the overall quote for the installation.
Architects and interior designers
Plan configurator
Enter the dimensions and characteristics of your project and download the technical drawings with the specs of your complete installation.
Professionals
Register as a professional
Enjoy the exclusive advantages and services of being a registered user. Always have KLEIN by your side.
Get inspired by our projects.
KLEIN systems for dividing spaces are ideal for their durability, functionality and aesthetics.
This newly constructed social housing building is extremely innovative, both in terms of the materials used for its construction and the design of the housing units.
Customized finishes and spatial configuration are decisive factors in any hotel project. Material selection can also be key to granting identity and harmony.
OneplaceBCN: Healthy, harmonious spaces with NATURE, the first wooden profile system.
The Johannesburg Houghton Hotel presents several unique and differentiating features in its private spaces, giving its luxurious classicism a modern touch.
Do you have a project with one of our systems?
Our specialists will advise you with the best solution based on the characteristics and needs of your project. And if you need one, we will find you an installer.