Siporex solid blocks are used as load-bearing and non load-bearing walls and as thermally insulating roof tiles in addition to being used as Hordi blocks or infills for ribbed slabs …



Reinforced units are for load bearing applications as either external or internal walls in a wide variety of low and medium rise buildings …


what is SIPOREX

SIPOREX is lightweight Autoclaved Aerated Concrete (AAC) which is also called cellular concrete.

SIPOREX is completely cured mix of calcareous materials such as cement and siliceous fine materials such as quartz sand with the addition of water and aluminum powder acting as foaming agent to form a homogenous cellular structure known as Calcium Silicate Hydrate.

SIPOREX is a high quality structural material, load-bearing and extremely well insulating material due to numerous tiny non-connecting air bubbles which gives SIPOREX its incredibly diverse qualities. The high pressure steam-curing in autoclaves achieves a physically and chemically stable product with an average density being approximately one fourth of normal concrete.

SIPOREX is produced as BLOCKS and Precast Reinforced Units, i.e., Wall Panels, Lintels and Floor/Roof Slabs forming a complete building system.

SIPOREX has been used on large scale projects such as housings, schools, hospitals, commercial, industrial and government projects under all climatic conditions since the early nineteen thirties worldwide.

SIPOREX is definitely one of the major achievements in the field of construction. It is a revolutionary material that offers a unique combination of strength, lightweight, thermal insulation, sound absorption, unsurpassed fire resistance and unprecedented buildability.

SIPOREX is a natural and non-toxic construction material, saves energy, and is friendly to the environment.

As a building system, SIPOREX meets all the requirements of our modern age throughout the world. Its properties ensure a building material that outperforms all others. In view of the rapid development and increasing demand, we can claim with certain justification that SIPOREX is the ideal choice for building construction.



Siporex weighs less than a quarter compared to conventional concrete.

Due to the lightweight property of Siporex, the foundation loads are greatly reduced resulting to big savings in the overall construction cost especially at areas having poor soil bearing capacity.

Its lightweight also means significant advantage in transportation cost.

Energy Efficient

Siporex ensures pleasantly healthy and comfortable room temperature without the need for additional insulation.

Its thermal insulation and heat retention offer a good protection against rapid cooling or heating up too much.

This means lower power consumption in environmental management system.

Dimensional Accuracy

The production process guarantees the accurate dimensions of the panels and blocks that comprise the building system.

This allows for a straight and plumbed walls resulting in less on-site trimmings and reduces the quantity of mortar and finishing materials required.

The dimensional tolerance is ±3mm for thickness & width and ±5mm for length.


Siporex products can be sawn, cut, slot, drilled, chased and nailed with ordinary woodworking tools which makes them easier to install than other building materials.

This also simplifies the installation of electro-mechanical services and other utilities, which means more cost savings.

Resistant to Fire

Siporex is totally inorganic and does not contain any combustible materials, which means it is resistant to fire. A 15 cm thick panel will resist fire for seven life-saving hours.

Siporex product complies  with the Saudi Building Code thermal requirements with a very low U-value of ≤ 0.34 W/m2.K

Siporex is ideal for firewall application and as protection for structural steel construction.

Accoustic Insulation

Siporex meets the appropriate standards for sound insulation in house building, which means quieter and more comfortable interior.

In industrial construction, Siporex minimizes industrial noise pollution.

The sound absorption of untreated Siporex surface is better than that of dense concrete.


Siporex itself is ecologically harmless, since it neither contains gases nor fibers, it is neither dangerous to ground- water nor does it releases any radioactive radiation.

No pollutants or toxic by-products are produced in the manufacturing process or even when subjected to fire.


Siporex products do not contain any organic matter subject to deterioration and will not degrade even under severe weather conditions.

Structures built several decades ago are still in active use today.

Quake Resistant

The low mass of Siporex results to reduced total dead load of the building and consequently reducing the applied seismic forces to its structure.

Structures built in earthquake zones such as Japan & Mexico have shown good resistance to seismic forces in actual practice.

Speedy Construction

Siporex has all the advantages of a precast system, i.e. eliminates shuttering, wet construction, curing, on-site testing & quality control resulting to reduced overall construction time and cost.

It also requires minimal supervision and construction staff.

Pest Resistant

Siporex provides airtight interior, does not contain any organic ingredient and makes your home uninviting to pest, insects or rodents.


In relation to its dry density, Siporex can withstand relatively high compressive stress, which in the aspect of application is very sufficient to take building loads.

Siporex achieves its full strength during autoclaving process.

Minimum compressive strength is about 35 kg/cm2 for nominal dry density of 550 kg/m3.

All these unique features outmatch the traditional concrete and lead to valuable benefits to the consultants, owners, and end users.

Siporex material is widely approved in government agencies, private sector, and consultancy offices in Saudi Arabia and worldwide…

Siporex ISO 9001:2015 Certification

 Some of Our Previous Clients 

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        Plant Address  186 Street, Industrial City 2, Riyadh 14331

         P.O. Box  6230, 11442, Riyadh,
        Kingdom of Saudi Arabia

        Tel. : +966114981800
        Fax : +966114982072

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        Engr. Mohammed Shalabi (Sales Manager)+966(55)3258719

        Engr. Baha Awwad

        Mahmoud Rabee+966(58)2826161

        Ibrahim Yassin+966(50)2944635

        Engr. Mohammed Bandar Bin Hudhud+966(55)3288189

        Adel Deef Alsayed+966(53)3044140


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        Bin Hamad Center # 3,  4th Floor, Office # 19, Albawadi District, Jeddah

        Kingdom of Saudi Arabia

        Tel. : +966126453051

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        Al-Thuqbah 8810,
        Jeddah Street corner 4th Street,
        3315, Al Khobar 34623,
        Kingdom of Saudi Arabia

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          Lightweight Construction Company - Siporex® 2022
          A Saudi Closed Joint Stock Company
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