FIRMLOK COLORBOND STEEL BEAMS - 100 x 50 mm size. These are precut into various lengths for ease of use.
Firmlok Colorbond structural beams consist of two interlocking C-sections. They are light, strong and universal in their application. They are made from genuine COLORBOND steel and feature a 20-year warranty.
Our range of connection types and accessories allows you to erect your project with ease, these beams are easy to work with and can be cut to length on-site.
Firmlok Beams are uniform in quality, it doesn’t warp or split and they don’t need painting. Consistent straightness simplifies alignment.
Firmlok beams are available in three sizes 100mm, 150mm and 200mm deep depending on your application and aesthetic preference.
LYSAGHT FIRMLOK® beams are made from Next generation ZINCALUME® aluminium / zinc / magnesium alloy coated steel complies with AS1397-2011 G550, AM125 (550 MPa minimum yield stress, 125 g/m2 minimum coating mass).