Alberti Serramenti Porte e Finestre Made in Italy

Certification

The CE mark is placed o all products manufactured by ALBERTI F.LLI s.n.c. and certification of conformity is issued according to UNI EN 14351-1 and UNI EN 13659 regulations, in application of the 89/106/CE European directive.
The CE mark is one of the instruments for regulation of the market introduced at European level to assure consumers that certain product requirements are respected.
ALBERTI F.LLI s.n.c.has completed and passed all the tests undertaken at a specific wood laboratory and undertakes to carry out constant product development.

Thermal Trasmittance

Sound Insulation

Air permeability

Waterproofing

Windproofing

For “thermal transmittance” refers to the ability of the frame to limit the heat loss from heated all''ambiente cold outside during the cold seasons.In this characteristic contribute more elements of the frame, but the main ones are the glass and the chassis frame and the doors. Modern technology offers sizes with high level of performance, which vary depending on the needs of the end customer. The values of thermal transmittance of the glass are provided by the glassmaker in conformity with a specific standard and contribute to the calculation of the thermal transmittance of the frame complete. Therefore, made to determine by a notified laboratory transmittance values of the structure of the frame and doors, usually according to the calculations in accordance with EN 10077-2, are associated with the glass for the determination UW, ie the total value of the window frame.