
Most Used Products
Most Used Products
HD III 33/10 BLOCK
Smaller and lighter, this block is good for inside walls or small buildings. It’s easy to carry and quick to build with. Best for warm weather or where less insulation is needed.

Key Point
Compact format for smaller or interior walls
Balanced insulation for mild/moderate climates (U: 0.19)
Lightweight for faster handling & installation
3-in-1 solution: structure, insulation & finish-ready
Great for renovations or infill projects
HD III 33/10 BLOCK
Smaller and lighter, this block is good for inside walls or small buildings. It’s easy to carry and quick to build with. Best for warm weather or where less insulation is needed.

HD III 33/10 BLOCK
Smaller and lighter, this block is good for inside walls or small buildings. It’s easy to carry and quick to build with. Best for warm weather or where less insulation is needed.

HD III 38/17 BLOCK
This block gives strong walls with great insulation. It keeps homes warm and saves energy. It’s light enough to move easily and helps builders finish faster. Great for homes and small buildings.

Key Point
Excellent thermal insulation (U-value: 0.15 W/m²K)
High thermal mass for temperature stability
3-in-1 system: structure, insulation & formwork
Medium weight for easy handling on site
Ideal for residential and low-energy buildings
HD III 38/17 BLOCK
This block gives strong walls with great insulation. It keeps homes warm and saves energy. It’s light enough to move easily and helps builders finish faster. Great for homes and small buildings.

HD III 38/17 BLOCK
This block gives strong walls with great insulation. It keeps homes warm and saves energy. It’s light enough to move easily and helps builders finish faster. Great for homes and small buildings.

HD III 44/23 BLOCK
The best choice for saving energy. This block has thick built-in insulation and keeps heat in really well. It’s perfect for cold places or eco homes. Strong, quiet, and fast to build with.

Key Point
Superior thermal insulation (U-value: 0.12 W/m²K)
23 cm of integrated graphite and cork insulation
Optimized for cold climates & passive house standards
Structural + thermal + acoustic performance in one block
Perfect for energy-efficient large-scale projects
HD III 44/23 BLOCK
The best choice for saving energy. This block has thick built-in insulation and keeps heat in really well. It’s perfect for cold places or eco homes. Strong, quiet, and fast to build with.

HD III 44/23 BLOCK
The best choice for saving energy. This block has thick built-in insulation and keeps heat in really well. It’s perfect for cold places or eco homes. Strong, quiet, and fast to build with.

HB 25/16 BLOCK
A strong block made for noisy places. It blocks sound and holds weight well. Great for schools, apartments, or busy buildings. Use with outside insulation for the best results.

Key Point
Designed for load-bearing internal or perimeter walls
High structural strength (34 N/mm² capacity)
56 dB acoustic insulation – ideal for sound separation
Compatible with external insulation systems
Used in schools, apartments & high-traffic zones
HB 25/16 BLOCK
A strong block made for noisy places. It blocks sound and holds weight well. Great for schools, apartments, or busy buildings. Use with outside insulation for the best results.

HB 25/16 BLOCK
A strong block made for noisy places. It blocks sound and holds weight well. Great for schools, apartments, or busy buildings. Use with outside insulation for the best results.

Floor S20
The Isotex S20 floor panel creates robust horizontal structures with outstanding thermal and acoustic performance. Made from 100% recycled fir wood and cement, it spans clearances up to 5 m and carries multiple green building certifications.

Key Point
Excellent thermal insulation (U-value: 0.63 W/m²K)
60 dB airborne & 53 dB impact noise reduction
Fire resistant structure up to REI240
Recycled fir wood, cement, and water. No additives or chemicals
Ideal for residential, low-energy, and eco-certified building projects
Floor S20
The Isotex S20 floor panel creates robust horizontal structures with outstanding thermal and acoustic performance. Made from 100% recycled fir wood and cement, it spans clearances up to 5 m and carries multiple green building certifications.

Floor S20
The Isotex S20 floor panel creates robust horizontal structures with outstanding thermal and acoustic performance. Made from 100% recycled fir wood and cement, it spans clearances up to 5 m and carries multiple green building certifications.

Floor S25
This floor panel is built for bigger spans. It keeps homes warm, reduces noise between floors, and goes up fast. Great for larger builds where performance and sustainability both matter.

Key Point
Excellent thermal insulation (U-value: 0.60 W/m²K)
60 dB airborne & 53 dB impact noise reduction
Fire resistant up to REI240
100% recycled wood and cement – no additives or chemicals
Ideal for larger residential and low-energy building projects
Floor S25
This floor panel is built for bigger spans. It keeps homes warm, reduces noise between floors, and goes up fast. Great for larger builds where performance and sustainability both matter.

Floor S25
This floor panel is built for bigger spans. It keeps homes warm, reduces noise between floors, and goes up fast. Great for larger builds where performance and sustainability both matter.

Floor S30 (25+5)
This floor panel handles huge spans. It keeps homes warm, cuts noise between floors, and includes built-in insulation. A solid choice for larger builds where energy efficiency and clean materials are a must.

Key Point
Excellent thermal insulation (U-value: 0.60 W/m²K)
60 dB airborne & 53 dB impact noise reduction
Fire resistant up to REI240
100% recycled wood and cement – no additives or chemicals
Ideal for large-span residential and eco-certified building projects
Floor S30 (25+5)
This floor panel handles huge spans. It keeps homes warm, cuts noise between floors, and includes built-in insulation. A solid choice for larger builds where energy efficiency and clean materials are a must.

Floor S30 (25+5)
This floor panel handles huge spans. It keeps homes warm, cuts noise between floors, and includes built-in insulation. A solid choice for larger builds where energy efficiency and clean materials are a must.

Floor slab S39
Built for cold spaces like cellars and garages. This slab keeps the cold out and spans up to 6 m with excellent insulation built in. Clean materials, strong performance, and certified sustainable.

Key Point
Superior thermal insulation (U-value: 0.24–0.28 W/m²K)
60 dB airborne & 53 dB impact noise reduction
Fire resistant up to REI240
100% recycled wood and cement – no additives or chemicals
Ideal for garages, cellars, and cold-environment building projects
Floor slab S39
Built for cold spaces like cellars and garages. This slab keeps the cold out and spans up to 6 m with excellent insulation built in. Clean materials, strong performance, and certified sustainable.

Floor slab S39
Built for cold spaces like cellars and garages. This slab keeps the cold out and spans up to 6 m with excellent insulation built in. Clean materials, strong performance, and certified sustainable.

Floor S49
The biggest span in the range. Built for sloped structures, garages, and cellars, it handles up to 7.5 m with outstanding insulation. Clean materials and compatible with BREEAM, LEED, and ITACA sustainability standards.

Key Point
Outstanding thermal insulation (U-value: 0.17–0.19 W/m²K)
60 dB airborne & 53 dB impact noise reduction
Fire resistant up to REI240
100% recycled wood and cement – no additives or chemicals
Ideal for large-span garages, cellars, and green-certified projects
Floor S49
The biggest span in the range. Built for sloped structures, garages, and cellars, it handles up to 7.5 m with outstanding insulation. Clean materials and compatible with BREEAM, LEED, and ITACA sustainability standards.

Floor S49
The biggest span in the range. Built for sloped structures, garages, and cellars, it handles up to 7.5 m with outstanding insulation. Clean materials and compatible with BREEAM, LEED, and ITACA sustainability standards.

Main Advantages Of Using Isotex
Main Advantages Of Using Isotex


They're Fireproof
Certified REI120 (blocks) and REI240 (floors). No plaster required.
Temperature Control:
Walls: Just 33°C on the unexposed side after 178 minutes at 1,100°C+
Floors: Only 25°C on the top surface after 240 minutes of exposure
Isotex blocks are lightweight, easy to handle, and laid dry.
Imagine how many days you'd save without waiting for cement to cure.
This smart design simplifies construction, reduces labor needs, and cuts build time.
They're Quick To Build
Isotex blocks are lightweight, easy to handle, and laid dry.
Imagine how many days you'd save without waiting for cement to cure.
This smart design simplifies construction, reduces labor needs, and cuts build time.
Isotex blocks are lightweight, easy to handle, and laid dry.
Imagine how many days you'd save without waiting for cement to cure.
This smart design simplifies construction, reduces labor needs, and cuts build time.


They Save Developers Money
If you've developed a project, you know labor makes up nearly 50% of costs.
But you can cut down on skilled labour on-site. Because any labourer can follow Isotex's simple laying process.
Plus it delivers structural strength, fire resistance, full insulation, sound proofing, earthquake resistance and more.
That means fewer workers, faster installs, and fewer mistakes.
Isotex Is Good For Your Planet
Isotex Is Good For Your Planet
Each block is made from recycled, clean sawmill scraps and natural cement. There's no glues or harmful additives.
And it's certified for green building so every project you develop has a safe, non-toxic, low environmental impact.


It Makes Getting NZEB Easy
It Makes Getting NZEB Easy
Because Isotex has superior thermal insulation and an airtight design which reduces air leakage.
Isotex has achieved NZEB and ZEB certifications.
Because Isotex has superior thermal insulation and an airtight design which reduces air leakage.
Isotex has achieved NZEB and ZEB certifications.
Isotex Gives Residents A More Comfortable Home
Isotex Gives Residents A More Comfortable Home
This attracts buyers because no one wants to live in a home where they shiver in the Winter and sweat all Summer.
But Isotex blocks store and release heat slowly.
That means:
It's warm in Winter, cool in Summer
There's fewer temperature swings inside
Residents get lower energy bills
You develop an attractive build cheaply and quickly


You Save Money On Sound Proofing
You Save Money On Sound Proofing
You'll save on time and money because Isotex is acoustic performance certified up to 56dB.
So for sound insulation in between rooms and from outside noise, Isotex is an effective and easy choice.
Even European Regulations Love Isotex
Even European Regulations Love Isotex
Isotex is certified by the strictest regulations:
EU regulations and CE mark
European Technical Assessment (ETA)
MEC, EPD, VOC and Green Building Certificates
Energy-saving certifications for NZEB - ZEB
Fire safety certifications
Earthquake safe
Sound insulation certifications

Now You Know How To Build With Isotex.
But What About Costs?
Now You Know How To Build With Isotex.
But What About Costs?
| Category | What It Reduces | How That Saves You Money |
|---|---|---|
| Masonry Labour | Laying time with dry stacking | You’ll save up to 50% on labour costs |
| Mortar & Adhesives | Mortar prep and cleanup | You’ll save 100% on mortar and adhesive costs |
| Thermal Insulation | External insulation install | You’ll save 100% on insulation labour + material |
| Structural Framing | Columns, beams, and lintels | You’ll save up to 15% on structural framing |
| Multiple Trade Labour | Need for carpenters, insulators, specialists | You’ll save 40% on subcontractor expenses |
| Error/Rework Risk | Coordination mistakes and rework | Lower cost from fewer delays and defects |
| Site Handling Time | Heavy handling and equipment time | Cuts labour and equipment time on site |
Got Questions?
Find The Answers Here
What are the advantages of the Isotex System over the traditional system?
– It allows you to create a safe seismic and earthquake-resistant house, thermally and acoustically insulated, equipped with living comfort at the highest levels in a healthy environment, free of humidity and mould – A single simple and fast installation, saving time on site, eliminating installation errors and reducing costs – Easy, fast and intuitive system to install that does not require the use of specialised labour or special equipment
What guarantees me quick installation times and low costs?
– Low times and costs are the result of the values of simplicity and speed of laying that characterise the Isotex wood cement building system – Practical assembly operations that do not require specialised labour and equipment – Realisation in a single installation of an anti-seismic structure, resistant to fire and excellent insulation thanks to the EPS insulation already inserted inside the formwork block – Zero maintenance operations over time
Are you undertaking the construction work of the buildings?
– No, we only sell the wood cement building system consisting of formwork blocks, blocks with integrated ventilated wall, floors and partitions – The installation of Isotex products can then be performed by any construction company
What are the advantages?
– It allows you to create a safe seismic and earthquake-resistant house, thermally and acoustically insulated, equipped with living comfort at the highest levels in a healthy environment, free of humidity and mould – A single simple and fast installation, saving time on site, eliminating installation errors and reducing costs – Easy, fast and intuitive system to install that does not require the use of specialised labour or special equipment
Is it quick and cheap?
– Low times and costs are the result of the values of simplicity and speed of laying that characterise the Isotex wood cement building system – Practical assembly operations that do not require specialised labour and equipment – Realisation in a single installation of an anti-seismic structure, resistant to fire and excellent insulation thanks to the EPS insulation already inserted inside the formwork block – Zero maintenance operations over time
Are you building it?
– No, we only sell the wood cement building system consisting of formwork blocks, blocks with integrated ventilated wall, floors and partitions – The installation of Isotex products can then be performed by any construction company
Are the delivery times of the Isotex system as long as those of external installation panels?
– One of the current advantages of building with the Isotex System is the creation of an anti-seismic and already thermally insulated structure which therefore does not require subsequent installation of the coat as the insulation is already inside the formwork block – Isotex, the delivery times of the Climablock System are decidedly shorter than those proposed by the market for normal external insulation panels
Does the Isotex system create sustainable buildings in Green Building?
– Sustainable architecture and green building are fundamental aspects for Isotex. Our products are made with natural and quality raw materials: 100% recycled wood, 99% pure Portland cement – Production process with low environmental impact to obtain a product that promotes energy savings and improves the quality of living
Do Isotex demonstrate compliance with the MEC 2022 requirements required for School, Public, and Superbonus works?
– Certainly. Isotex has obtained EPD type III certification (Environmental Product Declaration), ANAB/ICEA Green Building Certification, ReMade in Italy certification for our Isotex Green (15% recycled) and Isotex Total Green (100% recycled) insulation inserts with Class C and Class A+ label – Brilliantly passed the VOC Test for emissions of Volatile Organic Compounds in indoor environments. It has obtained the “Indoor Air Comfort” and “Indoor Air Comfort GOLD” labels
What's delivery like?
– One of the current advantages of building with the Isotex System is the creation of an anti-seismic and already thermally insulated structure which therefore does not require subsequent installation of the coat as the insulation is already inside the formwork block – Isotex, the delivery times of the Climablock System are decidedly shorter than those proposed by the market for normal external insulation panels
Is Isotex green?
– Sustainable architecture and green building are fundamental aspects for Isotex. Our products are made with natural and quality raw materials: 100% recycled wood, 99% pure Portland cement – Production process with low environmental impact to obtain a product that promotes energy savings and improves the quality of living
Does Isotex comply with MEC 2022?
– Certainly. Isotex has obtained EPD type III certification (Environmental Product Declaration), ANAB/ICEA Green Building Certification, ReMade in Italy certification for our Isotex Green (15% recycled) and Isotex Total Green (100% recycled) insulation inserts with Class C and Class A+ label – Brilliantly passed the VOC Test for emissions of Volatile Organic Compounds in indoor environments. It has obtained the “Indoor Air Comfort” and “Indoor Air Comfort GOLD” labels
How do you demonstrate the sustainability of the EPS insert inside the formwork block?
– Isotex only uses insulating inserts in EPS Neopor® BMBcert from BASF. Biomass Balance is the certified process according to the REDcert2 scheme, according to which up to 100% of the primary fossil sources are replaced by sustainable and certified renewable sources, i.e. biomass (such as organic waste) – The Biomass Balance method not only contributes to saving primary fossil sources, but also further improves the environmental profile of insulating products – The carbon footprint (CO2 emission) of insulators made with BASF’s Neopor® BMBcert improves by 42% compared to standard Neopor® panels – Isotex offers two versions of insulation: Isotex Green (15% recycled) and Isotex total Green (100% recycled) with ReMade In Italy certification and class C and Class A+ labels
Are buildings built with the Isotex building system safe in the event of fire?
– Absolutely, yes. Isotex has carried out several tests on wood cement structural blocks and floors and the result is absolute safety in the event of fire. Guaranteed by the mineralisation process of the wood which makes it inert and therefore resistant to fire, mould and parasites. – BASF’s Neopor® BMBcert concrete, reinforcement and insulation are located inside the formwork block and are, therefore, protected by concrete wood – Fire resistance Blocks REI 120 without plaster and Floors REI 240 without plaster – Reaction to fire B,s1-d0 – Passing Lepir2 Test: facade fire behaviour test of buildings
Do buildings constructed with the Isotex building system withstand an earthquake?
– The answer is yes. The use of concrete wood allows us to create resistant and sturdy buildings – The Isotex load-bearing structure is made of floors and formwork blocks in wood cement filled with concrete in which a horizontal and vertical reinforcement is inserted that connects the foundation to the edges of the floors up to the roof thus creating a solid reinforced structure – Characteristics that make the Isotex building system usable even in areas with high seismic risk (zones 1-2-3)
Is the EPS insert sustainable?
– Isotex only uses insulating inserts in EPS Neopor® BMBcert from BASF. Biomass Balance is the certified process according to the REDcert2 scheme, according to which up to 100% of the primary fossil sources are replaced by sustainable and certified renewable sources, i.e. biomass (such as organic waste) – The Biomass Balance method not only contributes to saving primary fossil sources, but also further improves the environmental profile of insulating products – The carbon footprint (CO2 emission) of insulators made with BASF’s Neopor® BMBcert improves by 42% compared to standard Neopor® panels – Isotex offers two versions of insulation: Isotex Green (15% recycled) and Isotex total Green (100% recycled) with ReMade In Italy certification and class C and Class A+ labels
Is Isotex fire safe?
– Absolutely, yes. Isotex has carried out several tests on wood cement structural blocks and floors and the result is absolute safety in the event of fire. Guaranteed by the mineralisation process of the wood which makes it inert and therefore resistant to fire, mould and parasites. – BASF’s Neopor® BMBcert concrete, reinforcement and insulation are located inside the formwork block and are, therefore, protected by concrete wood – Fire resistance Blocks REI 120 without plaster and Floors REI 240 without plaster – Reaction to fire B,s1-d0 – Passing Lepir2 Test: facade fire behaviour test of buildings
Can Isotex withstands earthquakes?
– The answer is yes. The use of concrete wood allows us to create resistant and sturdy buildings – The Isotex load-bearing structure is made of floors and formwork blocks in wood cement filled with concrete in which a horizontal and vertical reinforcement is inserted that connects the foundation to the edges of the floors up to the roof thus creating a solid reinforced structure – Characteristics that make the Isotex building system usable even in areas with high seismic risk (zones 1-2-3)
What are the measurements of the Isotex blocks and floors?
– All Isotex blocks are 50 cm long x 25 cm high. As for the thickness, it ranges from 30 cm to 44 cm – BASF’s Neopor® BMBcert concrete, reinforcement and insulation are located inside the formwork block and are, therefore, protected by wood cement – The insulators inside the formwork range from 7 to 23 cm – All Isotex floors are 100 cm long x 26.5 cm thick. As for the height, it ranges from 20 to 49 cm
Do Isotex products have condensation and mould problems?
– Absolutely not. Isotex guarantees the passage of steam through the walls and this entails the absence of condensation and mould. – Inside the Isotex building there will always be a healthy microclimate, a fundamental element for well-being, living comfort and the protection of tenants
Is it complex to chase Isotex walls for installations?
– It’s very simple. In order to chase for installations, it is advised that, over the 4-5 cm of wood cement, a wall chaser is used which can adjust the width and depth to obtain the required dimensions rapidly and precisely.
What's the size of the blocks?
– All Isotex blocks are 50 cm long x 25 cm high. As for the thickness, it ranges from 30 cm to 44 cm – BASF’s Neopor® BMBcert concrete, reinforcement and insulation are located inside the formwork block and are, therefore, protected by wood cement – The insulators inside the formwork range from 7 to 23 cm – All Isotex floors are 100 cm long x 26.5 cm thick. As for the height, it ranges from 20 to 49 cm
Are there mould problems?
– Absolutely not. Isotex guarantees the passage of steam through the walls and this entails the absence of condensation and mould. – Inside the Isotex building there will always be a healthy microclimate, a fundamental element for well-being, living comfort and the protection of tenants
Is it hard to chase Isotex walls?
– It’s very simple. In order to chase for installations, it is advised that, over the 4-5 cm of wood cement, a wall chaser is used which can adjust the width and depth to obtain the required dimensions rapidly and precisely.
How many storeys can be implemented with the Isotex building system?
– With Isotex wood cement formwork blocks, used as load-bearing walls, multi-storey structures can be created – Depending on the climatic zone, it is possible to use adequate insulation thicknesses which, inserted in the 44 cm thick formwork block, allows variable concrete thicknesses from 21 cm (climatic zone E-F) to 25 cm (climatic zone C-D). With these concrete thicknesses, it is possible to build a building up to 9-10 floors
Will Isotex save me money and time?
- Yes it will
How do I order Isotex blocks?
- Contact us if you're in Spain and we can ship them out to you - Click on "Book Your Call" and fill out our 1 minute form to book a call with us
How many storyes can Isotex support?
– With Isotex wood cement formwork blocks, used as load-bearing walls, multi-storey structures can be created – Depending on the climatic zone, it is possible to use adequate insulation thicknesses which, inserted in the 44 cm thick formwork block, allows variable concrete thicknesses from 21 cm (climatic zone E-F) to 25 cm (climatic zone C-D). With these concrete thicknesses, it is possible to build a building up to 9-10 floors
Will Isotex save me money and time?
- Yes it will
How do I order Isotex blocks?
- Contact us if you're in Spain and we can ship them out to you - Click on "Book Your Call" and fill out our 1 minute form to book a call with us