SHEET METAL BENDING


The technical department of COMAX ROOFS® will design a suitable solution of flashings for roof based of project documentation or hard measure. The elements are always optimized for a specific type of COMAX® sheet metal roofing.

The layout plan and the price offer of the complete roofing system contain an exact number of standard meters of flashings elements such as ridge cap, verges, eave edges, vented ridge bars, valleys etc. Custom sheet metal bending based on exact customer requirements in lengths of 2, 3, 4, 5 and 6 m with developed width according to drawing and specification is also possible. All types of flashings are supplied with the roof sheeting tailored to each roof in the recommended lengths from 2 to 4 m. Unless the customer specifies otherwise, the bending of individual elements is based on standard flashings range - see. Flashings catalogue in Documents section .


CNC BENDING MACHINE BIEGMASTER BM 6.1,5

The long bending line is designed exclusively for bending sheets according to technical data. Before bending up to 6,000 mm long strips, it is possible to perform slitting up to 6 m in length according to the required dimensions. Each bending step can be performed manually, semi-automatically or fully automatically.


  • APPLICABLE LENGTH - 6 200 mm
  • INSERTION LENGTH - 1 130 mm
  • BENDING AND CUTTING FORCE - Fe - 1.5 mm, Al - 2.0 mm
  • RESIDUAL HEIGHT - 915 mm


ELECTRIC MOTOR MODULAR BENDING MACHINE

This bending line is designed for bending larger sheets of prepainted and mill finished steel or aluminum up to 6,000 mm. The line is equipped with a guide bar and scissors for slitting of sheet metal over the entire length of the machine up to 6 m.

  • APPLICABLE LENGTH - 6040 mm
  • INSERTION LENGTH - 1100 mm
  • BENDING AND CUTTING FORCE - Fe, Al - 0,8 m
  • MAX ROTATING ANGLE - 145 °

DESIGN OF FLASHINGS ACCORDING TO CSN 73 3610


COMAX ROOFS® meet the conditions of the Czech Republic for double-sided painted material according to ČSN 73 3610 - Design of sheet metal constructions. It specifies the principles for the selection, design and use of sheet metal. 

As a manufacturer of continuously coated galvanized steel coils, we supply this material for tinsmith constructions, both sides prepainted by the parent company METAL TRADE COMAX a.s, coil coating technology. This material is also used in the production of various tinsmith components supplied by us, which we bend up to 6 m lengths as standard. 

Parameters of flashings elements made of galvanized steel: Hot-dip galvanized steel sheet DX 51D + Z or higher quality with a zinc coating of at least 275 g/m² Organic Coating Thickness (PAINTING) 25/20 µm The elements are also in accordance to the product standard EN 10 327.

CUSTOM BENDING OF PREPAINTED MATERIAL UP TO 6000 mm LENGTH

PRODUCTION OF STANDARD AND ATYPICAL FLASHINGS


The COMAX ROOFS® production center offers custom production of all standard and atypical sheet metal roofing elements. All flashings are provided with a removable PE foil against scratching of material during transport or subsequent fitting.

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