FILIGRAN lattice girders, manufactured in 6 types, are used for reinforcement of precast concrete units:
The lattice girders are manufactured using state-of-the-art welding automats. They are supplied to the end users in bundles of standard length of 14m or as ordered by the customers.
Technical specification of trusses including defined technical and quality parameters is the Technical Approval No. A-15-2730/2008 issued by the Building Research Institute.
The document that certifies the FILIGRAN trusses for use in building industry is the Certificate of Conformity No. 5/90 issued by "CEBET" Institute of Ceramics and Building Materials, Concrete Division.
All FILIGRAN products are safe as they are manufactured using modern machinery while applying the state-of-the-art technology. Certificates of those products conformity are issued in 1+ system imposing the most stringent quality requirements for the manufacturers. They confirm compliance with the requirements of the Ordinance of the Minister of Infrastructure dated 11 August 2004 on the methods to declare the compliance of construction products and marking thereof with a construction mark.
Information on the technical approvals issued and the certificates of conformity are available through the internet in "Baza Atest" (Certificate Database) at: www.atest.budmedia.pl
Our offer includes planar lattice girders and space frame steel lattice girders of Filigran and Teriva types.
Space lattice girders are composed of a top part including one steel bar and a bottom part including two steel bars and cross braces made of steel bars arranged in two planes.
Planar lattice girders are composed of two longitudinal bars joined with continuous cross braces or sectional cross braces.
All bars are round in cross section and made of steel class A-II N, grade: St-500-b.
We can manufacture
trusses of the height of 7 cm to 30 cm
bottom bars: 5.00 to 14.0 in diameter
cross braces (diagonals): 5.00, 6.00 or 7.00 in diameter
top bars: 5.00 to 14.0 in diameter
See "Technical Approvals and Certificates" tab for detailed information regarding our trusses.
Technical Approval ITB AT-15-2730/2008
FILIGRAN STEEL TRUSSES
