QUAL develops aluminium and PVC window and door systems, gates, railings and monoblocs, with quality and architectural integration, since 1987.
1987
Company founded, manufacturing aluminium window and door systems
1990
Company renamed to QUAL - Indústria Metálica, Lda, to strengthen its corporate structure
2003
Integration of PVC window systems into the production process, and opening of the manufacturing plant and showroom
2010
Obtaining ISO 9001 Certification and strengthening the company's quality standards
These milestones marked the evolution and growth of the company. Today, QUAL stands out for its production quality, differentiated solutions and project support at every stage. The company also reaffirms its commitment to excellence in every execution.
Your project in
experienced hands
QUAL's principles and expertise
QUAL conducts its business through a rigorous approach, grounded in quality, differentiated solutions and technical support for every project.
Principles
Quality Policy
Quality is assumed as the fundamental principle to ensure the satisfaction of clients, suppliers and employees.
Vision
To invest in differentiated solutions as a way to achieve excellence.
Mission
To respond to client needs with tailored solutions, ensure deadlines are met and promote quality and added value in every project.
Expertise
Experience and technical skills that underpin consistency at every stage of the project:
Technical support for new projects;
Manufacturing and installation of aluminium and PVC window and door systems;
Development of custom solutions for renovation projects;
Specialist technical assistance.
QUAL's principles and expertise
QUAL conducts its business through a rigorous approach, grounded in quality, differentiated solutions and technical support for every project.
Principles
Quality Policy
Quality is assumed as the fundamental principle to ensure the satisfaction of clients, suppliers and employees.
Vision
To invest in differentiated solutions as a way to achieve excellence.
Mission
To respond to client needs with tailored solutions, ensure deadlines are met and promote quality and added value in every project.
Expertise
Experience and technical skills that underpin consistency at every stage of the project:
Technical support for new projects;
Manufacturing and installation of aluminium and PVC window and door systems;
Development of custom solutions for renovation projects;
Specialist technical assistance.
Certificates and CE Marking
QUAL is a company certified to the ISO 9001 standard,
with recognition from APCER and IQNET, ensuring quality and control of its production processes.
All products comply with the requirements of CE marking,
in accordance with the NP EN 14351 standard, guaranteeing conformity with European performance standards.
Among the main criteria evaluated are:
Wind resistance
Water tightness
Acoustic performance
Air permeability
Thermal transmittance coefficient
Certificates and CE Marking
QUAL is a company certified to the ISO 9001 standard,
with recognition from APCER and IQNET, ensuring quality and control of its production processes.
All products comply with the requirements of CE marking,
in accordance with the NP EN 14351 standard, guaranteeing conformity with European performance standards.
Among the main criteria evaluated are:
Wind resistance
Water tightness
Acoustic performance
Air permeability
Thermal transmittance coefficient
Our Showroom
