Welcome to ULMA´s web site

Known as the Crystal Bank of America Tower, it covers a surface area of 200,000 m² and stands 300 m tall.
With its crystal design, the tower exhibits defined vertical lines that generate a building perspective that evolves with the movement of the sun and moon.
The tower’s transparent crystal outer wall, which complements the building’s faceted crystal, is shaped so as to provide a building plan the faces south, thus, emphasizing its prominent relation with Bryant Park and permitting beautiful views from and toward the structure.
This 55 story skyscraper office building is one of the most environmentally sensitive buildings in all the world as the following were used in its construction: recycled and recyclable materials, innovative energy saving technologies, residual water reuse system, heat storage unit, translucent insulated glass to make use of natural light, ground level air ventilation system and carbon monoxide sensors that will refresh the inside air when necessary.

The Flushing Line is an arch-based viaduct that was built in the early 1900s. The 128 pillars that make up the viaduct needed structural restoration. The pillars varied in height between 14 and 35 feet.

It is an exceptional 236 m building with a hotel and offices. Sacyr Vallehermoso Group is promoting this project in the area where Real Madrid’s training grounds used to be, on Paseo de la Castellana (the future business centre).
It will have 59 floors (with 6 service floors), each one measuring 1600 m². There are also 6 additional floors of 7500 m² below ground level.
The architects were near the project, which was an advantage because the tower is very elaborated and optimised, and has a high architectural quality.
This building has been an ambitious challenge because of its height and originality. The aim was for it to be suitable for its purposes, taking into account key factors such as the quality of the product, a good finish and the completion period.
The Technical Department at ULMA Construcción works hard to offer Sacyr Vallehermoso Group a product which adapts perfectly to the structure.

This project entails the construction of a building along side the walls of the Puerta del Aceituno in Jaén. The building will have a main auditorium with the capacity to hold 630 spectators, various workshop rooms and two stories underground for parking (7,000 m²).The main auditorium is built on a hillside and all the enclosure walls are angled inward, which together with its great height makes a detailed study on all the lifts absolutely necessary.On the other hand, the inside closure must remain open for public access. Therefore, only the upper part is enclosed with an wide angled beam, which sustains the side walls. Given that the beam is not self-supporting until the structure is complete, all the beams and walls must be supported.