Screws
Screws
Screws are used for fixing the sheet metal to the roof, wall or ceiling on the sub-structure, they are a very important element. All screws in our offer are well protected with a coating of zinc in thickness of 20 mm and a coat of paint of 50 microns, which is very important for screws that are exposed to external influences. Moreover all screws are equiped with aluminum washers with a neoprene pad which has the following characteristics: They are made from the finest materials to seal - EPDM, with aging they do not lose elasticity long life (minimum 30 years) compensates for the effects of thermal spread and. shrinkage material (1cm / 10m) resistant to changing weather conditions and UV radiation after installation this creates a waterproof layer, retains properties on the influence of high temperature within the range of +50 °C to 120 °C.
Screws, according to the sub-structure are divided into two groups: bolts to metal plates, and screws for wood and concrete sub-structure. All screws are self-tapping, the maximum length is 150 mm and a maximum diameter is 12.00 mm. They are available in the following colors: red (RAL 3009), dark brown - chocolate (RAL 8017), brick red (RAL 8004), white (RAL 9002), black (RAL 9005), Silver (9006) zinc, as well as in other colors when ordering larger quantities.