Double B srl, which is named after the wood aluminum system was created in 2000 by the inspiration and tenacity of Buonanno family and pioneered by Mr Buonanno Pietro who had already gained more than 40 years of experience in the fasteners industry.

Today the company has a staff made available and professional people who put at the center of its work the customer. The company is certified for quality ISO 9001 and 14001 for the environment and only manufactures CE-marked frames.

The Double B was established by Peter Buonanno in 1994 with a system that could easily meet all the needs of the fabricator and designer, presenting already at ‘Saiedue’ Bologna a full range of windows and a cold cutting hinged doors and heat, peaking, sliding and finally apex and trucks, mainly used in public buildings.


Having matured considerable experience in the field, the primary focus is customer satisfaction.

For this reason we give our dealer wide range of aluminum / wood products and not, and additional elements such as shutters on the windows and scuroni. Come and discover our products.



The company is located in the province of Caserta. Built on an area of ​​over 6000 square meters is handled by Buonanno family and a staff of experts in the field, from the design stage to that of implementation.

For the commercial area of ​​our vendors follow the customer in all stages of the sale using instruments able to give immediate answers and certain. For installation and maintenance of products Double B our dealers take care of the details, ensuring quality and professionalism and product support.