The Tunnel Form System, for residential superstructure building is an internationally recognized Modern Method of Construction (MMC) and Industrialized Building System (IBS). Utilizing Tunnel Form is simply proven as the fastest and most economical method to build quality earthquake resistant, apartments, houses, student dormitories, hotels, luxury villa complexes and to deliver social and mass housing projects. The Tunnel Form System has been used globally for over 60 years building millions of homes worldwide. Tunnel Form is a vital solution for ensuring quality rapid built housing worldwide. Tunnel Form Construction methodology and its intrinsic capacity to deliver quality natural disaster resistant housing quickly and economically will ensure high standard housing solutions to current and future generations. Tunnel Form with a 60 years success record now looks to have a future for another 60 years and beyond.

The Tunnel Form System methodology is simply logical in that the structure of both walls and flooring slabs are cast together in situ as a monoblock (monolithic) construction. This means less labor, less construction steps and results in rapid daily castings with the possibility of casting upto 500m2 of floor plan each and every day which means upto 12,000m2 of project plan can be completed each month per single Tunnel Form set. Compared to other construction methods this speed of completion is unmatched.

In addition, the Tunnel Formwork is composed entirely of steel, with the concrete-facing surfaces designed in thick steel plate sheeting, thus also providing significant further savings in time and cost in follow up finishing plastering/painting thanks to the near-perfect concrete surface that Tunnel Form delivers. Also the formwork is long lasting with minimum 500 castings and recorded 1200 castings avhieved, the formwork can complete many, many projects resulting in unmatched ROI, making it ideal for mass housing projects worldwide.
Finally, the completed RCC monolithic superstructures are by design structurally superior and proven resistant to high level seismic activity in earthquake zones and perfect for hurricane, tornado and flood areas build zones.

So in summary, with a single set of Tunnel Form designed specifically for your project around 12,000m2 of project floor plan can be completed daily. Hundreds of units and floors or buildings can be built economically at daily casting speed and with smaller specialist crews. Follow up finishes works are also accelerated and costs/time reduced due to the quality of concrete surface that tunnel form repeatedly delivers. Completed apartments, villas, buildings and whole projects are all strong monolithic natural disaster proven buildings.
Once your projects villas or apartments are completed the formwork can be stored for future projects or adapted at minimal further expense to the new layouts of your exciting future projects. Tunnel Form really is the ultimate ROI on investment and the key to the success of many projects and developers worldwide.

DEMA FORMWORK is proud to offer to its valued customers this unique Tunnel Form system in addition to years of know how from building customer projects and delivering our own projects worldwide.

Dema Formworks manufacture all its Tunnel Form solutions from the highest quality, durable and proven materials. All our formwork is specially designed for your project but can be readily adapted for new projects and layouts. We offer the Classic Tunnel Form System used in the past and many contractors and developers still today preferred for its lightness and simplicity. We also offer the Dema Advanced Tunnel Form System allowing concrete casting upto 2 hours earlier each day and therefore a larger floorplan to be casted daily and the Dema Ultra Tunnel Form System what we and our rivals consider the ultimate in flexibility and optimized weight to strength ratio for maximum daily casting and maximum repetitions. Our Ultra Tunnel Form is easy to adapt to future projects with revision necessary revision and is manufactured so that you can choose to use with RAIL and/or WHEELED depending on your contractors preference.
For more information about Tunnel Form, please direct your questions to our e-mail address info@demaform.com.

What is Tunnel Formwork?
Tunnel formwork system is the fastest, labour-saving and cost-effective way in the construction of housing projects. It should be considered as the preferred system in every project where more than 100 houses are planned.

The larger the Tunnel Formwork Project, the Tunnel Formwork System becomes the single and ultimate option for the rapid delivery of high quality, earthquake resistant, low cost concrete housing units.

Frenchman Guy Blonde invented the Tunnel Form System in the 1950’s as a quick build system to help Europe rebuild with strong and safe homes rapidly after the devastation of the 2nd World War.

Tunnel Form, which has been in existence for sixty years, is a repeatedly proven and deliverable building system.

Tunnel Form is a construction system used to build social and affordable housing worldwide, from Venezuela to Mongolia and on all continents.

Tunnel Form is a construction system used by governments to build mass housing, social housing, student dormitories, hospitals, prisons and military barracks.

Tunnel Form is also used by the private sector to build ultra luxury villas, 40+ storey high apartment buildings, condominiums, housing estates and hotels.

Tunnel Form is an increasingly becoming a preferred and specified construction system chosen by many governments to rapidly close the housing gap and rebuild for the growing population.

Tunnel Form is used in 40% of housing construction in the Netherlands and 70% in Turkey.

Advantages of Tunnel Formwork

• MONOLITHIC BUILDINGS with Tunnel Formwork (High structural integrity)
• CONCRETE BUILDINGS with Tunnel Formwork (All advantages and thermal mass)
• LOW LABOUR COST with Tunnel Formwork (30 workers achieving upto 12.000 m2 floorplan per month)
• HIGH SPEED CONSTRUCTION with Tunnel Formwork (up to 500m2 floor plan per day, 12.000m2 per month)
• MINIMUM WASTE OF SPACE with Tunnel Formwork (Offsite efficiency delivered onsite)
  NATURAL DISASTER/EARTHQUAKE RESISTANT and Tunnel Form (including flooding / hurricane/ earthquakes)
• DIMENSIONAL ACCURACY with Tunnel Form (1/1000 deviation as per norms)
  HIGH QUALITY CONCRETE SURFACE with Tunnel Form (requiring minimum skim coat plastering)
• MULTIPLE REUSES of Tunnel Form Moulds (500 repetitions guaranteed, more than 1000+ regularly recorded)
• Tunnel Form, ADAPTABILITY FOR FUTURE PROJECTS (with project revisions)
• Tunnel Form, RECOGNISED MODERN CONSTRUCTION METHOD (MMC)
• Tunnel Form, a RECOGNIZED INDUSTRIALIZED BUILDING SYSTEM (IBS)
• PROJECT DELIVERY with Tunnel Form Systems (planneable, on time, to budget and with assured accuracy)

What is the Tunnel Formwork System?

The Tunnel Formwork System has changed very little since it was invented in the 1950s, it was and is the near perfect build system. At that time, Tunnel Form allowed daily concrete pouring, today 60+ years later the system gives the same result… daily concrete casting. Just the speed, ease of operation and the amount of castable floorplan area has increased…

The few small improvements in the Tunnel Form system over the past 60+ years have allowed

• EARLIER CASTING OF CONCRETE – Modern Tunnel Form allows a 1 to 2 hour earlier casting each day!
• GREATER CASTING FLOORPLAN AREA - Modern Tunnel Form allows an additional 100m2 to 150m2 of Tunnel Form to be placed, concreted and removed casting each day!
• EASE OF USE - Modern Tunnel Form allows less workers to operate the same amount of Tunnel Form and levelling and placement and removal is now quicker!
• MORE MODULARITY – Although there is NO SUCH THING as truly modular Tunnel Form. Modern Tunnel Form readily allows changes in heights and panel widths with planning and revision
• SAFETY - Modern Tunnel Form has improved safety of the workers to help minimize potential for working at height accidents
• STRENGTH - Modern Tunnel Form design means that tunnel form is optimized for strength durability and repetitions. Tunnel Form can be produced in 3mm or 4mm plating or bespoke as required

The Tunnel Form System has really changed very little in appearance but just been modernized. This is why many tunnel formwork system developers in Turkey and major concrete contractors in the USA still use 20 year old Tunnel Form sets based on the original classical system. However, a one to two hour improvement in the daily casting process allows more tunnel formwork to be moved, which in turn enables higher daily m2 floor plans to be completed and/or better curing time for the concrete once the Tunnel Form is placed each day and concrete is caste.
In real terms, any improvements in tunnel formwork systems can increase daily casting areas from 350 m2 to approximately 500 m2, depending on project complexity.