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Roofing
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division
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quality


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The TFN Group is committed to a quality approach through the various certifications that respond to the constraints of our trades.

The Building Division is characterised by its comprehensive technological expertise and by its specialist and motivated teams.

Our quality commitment is validated by the Qualibat 2007 certificates awarded to the Lagrange and Jean Létuvé companies.


Lagrange Qualification (Professional Qualification)

Code Name Date awarded
3101 Grooved or sliding roof tiles 02/99
3113 Curved tiles (superior technicality) 02/99
3123 Plain tiles (superior technicality) 02/99
3143 Schist or cement fibre slates (superior technicality)  02/99
3153 Metal roofing, except lead (superior technicality)   02/99
3163 Lead roofing (superior technicality) 02/99
3183 Trapezoidal or corrugated sheet roofing (superior technicality) 02/99
3194 Roofing for historic monuments    03/05
3213 Waterproofing with bituminous sheet materials (superior technicality) 03/05
5114 Plumbing and special fluids (outstanding technicality)   06/04
5313 Heat installations (superior technicality)  06/04
5322 Heat installation pipes   06/04
5352 Remotely monitored alarm system, remote surveillance, remote management (experienced technicality) 06/04
5413 Air-conditioning (superior technicality)  06/04
5414 PROB PROB Air-conditioning (outstanding technicality)  06/04
5523 Maintenance of air-conditioning systems (superior technicality)  06/04
5533 Operation without total guarantee of installations of all sizes (superior technicality) 06/04
5543 Operation with total guarantee of medium-sized installations (superior technicality) 06/04
5544 PROB PROB Operation with total guarantee of installations of all sizes (outstanding technicality) 06/04


Letuvé Qualification (Professional Qualification)

Code Description Date attribution
6111 Painting and resurfacing (standard technicality) 02/06
6212 Glue textile coverings 10/07
6213 Stretched textile coverings 10/07
6221 Plastic coverings, pasted or sealing tiles 10/07
6222 Plastic coverings, stretched or glued strips 10/07
6242 Floor coverings made from wood, glued or floating 10/07
6252 Screeds retrieved 10/07