Sheets are fastened with self-drilling screws measuring 4.8 × 35 mm with EPDM rubber gasket, resistant to temperature changes and solar radiation, ensuring tightness of the fastening. Sheets of metal are joined together with self-drilling screws with dimensions of 4.8 × 19. The screws should be screwed in with a screwdriver equipped with smooth power regulation, in the lowest place of the tile wave / bottom of the trapezoidal sheet wave.
The estimated consumption of screws is 6-8 pcs./m2 of the roof slope and depends on the shape of the roof and the number of flashings.
FARMER 19 mm self-drilling screws
TORX screws for connecting steel sheets
TORX self-drilling screws (staples)
