Group's main activities

• Refractory linings;
• Furnace construction;
• Industrial chimneys and maintenance;
• Industrial materials for the industry.

Industrial experience

• Glass Industry;
• Iron and Steel Industry;
• Cement and Lime Industry;
• Chemical and Petrochemical Industry;
• Power Generation Industry;
• Environmental Industry;
• Ceramic Industry;
• Chimney Design, Construction and Repair;
• Aluminium.

Scope of service

• Demolition and waste management;
• Steel structure fabrication and installation;
• Controlled furnace cool down;
• Special services (hot drilling and electrode insertion);
• Refractory materials management and procurement;
• Total refractory installation;
• Furnace construction and repair;
• Industrial chimneys construction and maintenance;
• Cold and hot repairs;
• Light-up control;
• Hot sealing and insulation;
• Procurement and sale of thermal products.

Comprehensive services

Our technical expertise in the areas related to refractories, means that we can offer an embracing service on industrial heat containment, whether new or reconditioned, including furnaces, post-combustion chambers and complete industrial units.


International reach, with local and personalised service

Our subsidiaries and joint-ventures all over the world cover all aspects of research, design and project management. The Lizmontagens Thermal Technologies Group has the capacity to undertake the most challenging of projects, particularly when the urgency or potential down-time means that considerable human resources have to be allocated. Our availability and quick response to any situation has helped us build real and lasting partnerships with our clients.


Integrated client solution

Using client specifications as a base, the expertise of our specialized departments guarantees the best possible solution.


Quality and Security at the same level

Starting from the approved project till the completion, quality and security are always at our attention. LTT Group corporate culture on these issues is recognized through certifications and authorizations received from relevant approving bodies.


Norms and Standards

LTT Group complies with all relevant EU Norms and Standards, building works legislation, labor laws and environmental ones, as well as those in non-EU countries where we have work in progress.


Market Independence

Our independence from refractory producers gives us the freedom to propose the best technical solution at the best price for each type of installation.


Service contracts

Our teams of professional technicians are available to anticipate future problems and plan installation maintenance programs.

LTT Group offers the following services:

• situation analysis;
• technical analysis of repairs;
• execution of repairs;
• provision of material and tools;
• spare parts and materials;
• drying;
• treatment of waste products.

Maintenance contracts

We offer a comprehensive maintenance contract covering all industrial heating installations for the medium and long term. We manage the allocation of necessary resources from our highly qualified and accredited technical staff.