Training of workers on site

Every step of the construction process is simplified:

• Placement, alignement, bracing.

• Setting of openings.

• Rebar insertion (if necessary).

• Service conduit penetration.

• Concrete pour.

Workers are trained on the COFFOR technology in just 2-3 daystraining is performed quickly and directly on-site. In addition, workers are keen to learn since COFFOR is by far less physically demanding than other construction methods such as heavy formworks, bricks, concrete blocks, etc.

Establishment of reservations

All formwork problems are eliminated

Easy rebar insertion (if necessary):


• Grouped in pairs, vertical rebar are inserted from the top into the axis of the C profiles.


• Horizontal rebar are then slid between the C profiles and vertical rebar.


As the horizontal and vertical rebar are secured, the necessity to tie them is eliminated.

 

Visual inspection of the pour enables control of the concrete setting and eliminates segregation risks. It is possible to pour concrete in the walls and upper slab at the same time.

 

Easy introduction of reinforcement

 

Construction mistakes are reduced: since COFFOR is transparent, it is much easier to control the quantity, quality and placement of rebar and service conduits before and during the pour. COFFOR eliminates the risk of void under window openings, eliminating the need to re-do a pour. Occurance of cracks and waterproofing defects are reduced.

Vibrating is generally not necessary. If needed the task is simplified as COFFOR is transparent. Vibrating is done externally with a wooden hammer or internally with a needle.

 

No specific tools are required apart from those generally available on all construction sites such as gloves, hammers, shears, electric saws, pliers, plumblines, steel wire, tubes, light planks, ladders, etc..

Security is improved: heavy and cumbersome objects are no longer necessary as light steel tubes or wood planks are sufficient. Risk of accidents due to unsteady heavy shoring or crane falls is considerably reduced.

 

party walls

Cutting on the site

 

Vibration with a needle

Easy setting of openings: placement of doors and windows is easy as COFFOR panels can be cut on-site using a hand shear or electric saw.
Edge closing is done with wood planks or rib lath. To save time for multiple openings of identical dimension, reusable mock-ups are recommended.

Problems of traditional reusable waterproof heavy formwork are eliminated: investment, availability, transportation, cleaning, repair, rotation, storage, accessories, etc.

Easy service conduit insertion: electric, plumbing and heating tubes are easily placed through the grids. Electrical or plumbing subcontractor work is not dependent upon formwork rotation since the whole floor can be poured in one pass.

 

Possibility to build in difficult areas such as city centers since COFFOR can be used without a crane. Local authorization, approval by neighbours as well as an overhead path for the crane are no longer necessary. Space requirements on-site are reduced.

Closed fields

Building reinforced concrete under water without draining the site: concrete is poured with a tube in the water directly to the bottom of COFFOR from the bottom-up. Space between the tube and concrete bed should not exceed 10cm (4").

 

Simplicity and flexibility: unlike other stay-in-place formwork systems such as Shotcrete or ICF (double polystyrene panels), COFFOR does not require skilled labor or special equipment and is used with regular concrete.

Construction in the water without draining the site

Shoring light

roofing

No problem of access

Light duty scaffold with COFFOR

Party wall construction