Total protection
DOL steel, bronze and cor-ten windows and doors have been designed to offer the highest level of insulation in all types of environmental conditions. They are a real barrier against heat, cold, noise, water, wind, and fine dust. The solidity of the frames guarantees perfect operation of the windows and doors, which is maintained thoughout time and require very little maintenance.
The special new generation seals transform the DOL steel bronze, and cor-ten windows and doors into protective shields against all external agents.

