Legal section
Regulations and tax concessions
The principal European regulations governing the construction of windows and doors are: THERMAL TRANSMITTANCE: UNI EN ISO 10077 PERMEABILITY TO AIR: UNI EN 1026 / UNI EN 12207 WATER TIGHTNESS: UNI EN 1027 / UNI EN 12208 RESISTA...
Certifications
CLL has been the certification UNI EN ISO 9001:2000 VeraQualitas, for several years , for the marketing of alloys, iron alloys and metallurgical products. All TECNO systems and series product by CLL are subjected to rigorous tests in order to obtain...