The construction of prefab homes Spain by Casas Mundiales S.L. is carried out by our qualified and highly skilled professional team of workers.

Building a Casas Mundiales prefab homes Spain using light gaugh steel framing technology is a wonderful investment!

After the components for each of our prefab homes Spain are perfectly attuned in our factory, they are loaded on to a truck and transported to the location where the home is being constructed. All elements of the prefab home, including walls, ceilings and roofs are transported then assembled by our experts onsite.

Our experienced workers make adjustments down to the last millimetre to ensure that all components of the home fit together perfectly.The process is so fast that it can take just a few days, and sometimes only a few hours to set a house that will be yours to enjoy for decades to come. Visit the construction site and watch your home being installed and taking shape right before your eyes – it’s quite the sight!


Building with Casas Mundiales prefab homes systems you are getting superior strength, better energy efficiency, less maintenance, a non-combustible material, and the use of a renewable green product in your home’s main frame support system. This alone makes it the preferred material to build for your family to deter maintenance cost and have that added protection in case of threatening weather or fire situations. Casas Mundiales prefab homes will never be compromised by termites or mold, therefore; there’s no need to use dangerous chemicals to prevent such, eliminating excessive maintenance costs. Casas Mundiales prefab homes also offer high energy efficiency when designed by our engineering team which maximizes utility bill savings. Over 60% of our steel is made from discarded steel products, so you can rest easy knowing you are also making a green choice by building a Casas Mundiales prefab home and our knowledgeable steel engineers.

Construction Process

The frame design is developed by our engineers in line with an architect’s design and the various elements are fabricated off site in a controlled factory environment.

It is common these days for the bulk of the steelwork in steel frame houses Casas Mundiales prefab homes to be light steel although the frame will usually contain both hot rolled and light steel elements.


Casas Mundiales prefab homes using prefabricate composite panels incorporating insulation, ties for cladding, window frames, door frames, and internal finishes before they leave the manufacturer.

Hot rolled elements come in a variety of cross sections from square, round and angle sections to the familiar ‘H’ and ‘I’ sections of universal columns and beams. If your design is particularly large, tall, or structurally complex, more of these will be required.


The completed wall is delivered to site and with ground works and concrete foundations already in place, erection of the wall can progress very quickly. Most connections are simply bolted or screwed and a straightforward frame can be erected in day. Access equipment and a crane will be required to offload, position and fix the various pieces.


Roofing and external facing can get started as soon as the frame is finished.

Internal work can progress as soon as the building is watertight and walls are faced with plasterboard as with any other build system.


  • Relatively lightweight
  • High strength to weight ratio
  • Good design flexibility
  • Durable
  • Long open spans are achievable
  • Steel is 100% recyclable and can be recycled indefinitely
  • Steel doesn’t warp, split or crack
  • Lightweight steel is light and easy to handle

General Casas Mundiales prefab homes Light Gaugh Steel Steel Framing FAQs

Why build with steel?

Casas Mundiales prefab homes building system are cost-effective, lightweight, easy-to-handle, and manufactured in conditions that allow strict quality control. When designed properly, the result is solid, non-combustible, and durable. Because steel can be pre-cut to desired lengths and is a stable material, you don’t need to sort out defective pieces and can erect a frame faster. Also, steel scrap has value and can be recycled.

Will my Casas Mundiales prefab home look different than the rest in my development?

No, only if you want it to. In fact, because of Casas Mundiales prefab homes building system, our or your architect can design your prefab home with larger open spaces. With Casas Mundiales prefab homes building system, walls will remain straight and true, preventing callbacks due to nail pops and shrinkage cracks. Finishes can be the same as you are accustomed to using.

What about the enviromental impact of steel construction?

The overall recycling rate of the steel industry is 66%-the highest in the country-offering an environmentally sound home framing alternative. Steel framing scrap is a valuable commodity that should not end up in a landfill.

What about cost of Casas Mundiales prefab homes?

The price of steel has been relatively constant over the last decade. While the price of traditional framing materials has been erratic and growing at a rate much faster than inflation, steel prices have only experienced small quarterly adjustments. So Casas Mundiales prefab homes building system using framing with steel is less expensive than traditional way to build a property.

Are Casas Mundiales prefab homes be energy-efficient?

Yes. Casas Mundiales prefab homes building system is designed to meet or exceed governmental energy efficiency standards. In addition, by staying straight and true, the steel framing helps prevent cracks due to shrinkage or warping, thus preventing air leaks that result in a costly loss of energy.

Will steel frames interfere with portable radios, phones, or TV reception?

No. Waves pass through the space between the studs, allowing the use of all radios, phones, and television sets in your home.

What about lightning?

The steel frame offers its occupants better protection than any other construction system. Scientists recommend seeking shelter in steel frame structures during lightning storms because the steel frame provides a path to the ground, reducing the likelihood of explosions, secondary fires, or personal injury.

Will my home rust?

The use of galvanized steel frame components protects your home from rust.

Can my Casas Mundiales prefab home be built to resist earthquakes and hurricanes?

Yes. Positive connection and the strength of steel provide great protection against earthquakes and hurricanes. Casas Mundiales prefab homes building system high strength and ductility make it the best construction material for earthquake-resistant design.

Will Casas Mundiales prefab homes building system affect the indoor air quality?

No. Steel framing, which is used by Casas Mundiales prefab homes, is recommended by the Healthy House Institute for chemically sensitive and environmentally conscious homeowners who seek good indoor air quality. Steel frames do not need to be treated for termites and are free of resin adhesive and chemicals normally present in other construction materials.

Will I be able to remodel my Casas Mundiales prefab home?

Yes. Since Casas Mundiales prefab homes building system allows for larger spans, a home can be designed without interior load-bearing partitions, making it easier for homeowners to complete alterations without affecting the structure.

How do I hang pictures in my Casas Mundiales prefab home?

As in traditional homes, depending on the weight of the picture, you can hang it from the drywall with toggle bolts or hangers. Heavier objects can be hung from screws attached directly into the studs, which can easily be found with a magnet.

Will I have to pay higher insurance premiums for my homeowner's insurance?

No. As a matter of fact, because of Casas Mundiales prefab homes building system excellent performance record in earthquakes, and because it is not effected by termites and is non-combustible, homeowners may be able to save on insurance premiums.

Will I be able to sell my Casas Mundiales prefab home?

Your Casas Mundiales prefab home does not need to look any different than your neighbors, and should sell just as easily. Because of Casas Mundiales prefab homes building system´s high strength and durability, your Casas Mundiales prefab homes should last and retain its value for a long time. In fact, if you take advantage of steel’s strength and flexibility by designing wide open spaces, you will have additional selling features.

Does Casas Mundiales prefab homes needs bigger footings and foundations?

No. Casas Mundiales prefab homes building system components weigh up to 60% less than traditional builing systems. The foundations, and even the seismic design loads can be smaller.

Can I find plumbers and electricians to work on a Casas Mundiales prefab homes?

Plumbers and electricians have worked with steel framing in commercial construction for years and are very familiar with it. Steel studs have prepunched holes that allow faster and easier installation of plumbing and electric work than in conventional homes.

Can I build a Casas Mundiales prefab home close to the seashore?

Yes, with the use of galvanized steel members that are recommended and common in almost all applications. In addition, we provide a standard, well-insulated weather barrier as required for any home under construction.

Do you want to know more about our Prefab Homes Spain product?


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