Diagonal photograph of the gray building

Talleres valeriano montón

We are a company dedicated to integral construction of metal carpentry, specializing in enclosures, facades, aluminum or steel carpentry, complex locksmiths, stairs, railings, unique elements and metal structures in general.

Among our clients we have construction companies, industries, engineering, official organizations, hotel chains, leisure centers, architects or developers, among others. We work to respond to the needs and demands of our customers, through our departments of project development, budget calculation and technical office.

We collaborate with architects in the design and construction of projects from the beginning, to the end of them. We pay special attention to the quality of the finishes and the functionality of the solutions, having a team of professionals with a great deal of experience in its sector, competent and highly-qualified.

We develop, design, manufacture and install all our products. Being involved in all steps of the project, from the first draft through the final result.


In 1965, the family company Talleres Valeriano Montón S.A., began its activity dedicated to the manufacture and installation of metal carpentry in the world of construction. Today, after more than 50 years of experience, the human team that makes up the company, are skilled professionals, highly qualified, and with a long experience in the market. We are a family-owned business in the 3rd generation of entrepreneurs.

Our facilities are settle in more than 3000 m², in Mollet del Vallès, Can Magarola, 20 km from Barcelona.

Modern house with swimming pool

Metalwork and metal carpentry


Aluminum closures

Steel closures

Unique works


At Talleres Valeriano Montón S.A., we are specialists in designing and building metal carpentry in the architectural field such as facades, aluminum or steel enclosures, structures, unique elements or complex metalwork.

We have worked and continue to work with renowned architects such as OAB, Alfredo Arribas, Jaume Arderiu and Tomàs Morató, GCA Arquitectes, Pich-Aguilera, among many others. We like to participate in the design of projects from the beginning, advising both architects and developers, in order to turn design concepts into reality. Our human group is composed by experienced professionals, s skilled engineers and designers, as well as high professional qualifications.

Black metal stairs

Metalwork and metal carpentry

We manufacture and install metal carpentry in construction such as railings, stairs, fences, gratings, facade coverings, furniture, interior design, etc., both in steel and stainless steel, corten, brass, bronze, etc. Depending on the material, we can apply various surface finishes such as hot-dip galvanized, lacquered in the oven, varnished, sandblasted, polished, or chemical treatments.

Metal and wooden stairs


We build metal structures for residential or industrial buildings. We have qualified engineers with a large experience in the design and calculation of structures.

Photo of the metal window taken inside the room

Aluminium carpentry

We manufacture and install all types of aluminum enclosures, curtain walls, carpentry, latticework, facade cladding, edging, etc. We are official installers of the Aluminier Technal network from its beginning.

Diagonal view of the building with movable metal and glass windows

Steel carpentry

We manufacture and install all types of metal enclosures, curtain walls, carpentry, skylights, partitions, lobby doors, commercial premises, etc., both in steel and stainless steel. We are Jansen Jansteel certified installers.

Diagonal view of the building

Unique metalworks

Given the wide range of services we offer, we are able to carry out the comprehensive execution of unique projects and works, especially facades made up of several metal elements, in which, due to their complexity, the intervention of a single industrial, facilitates the correct finish and quality of the same.