Catnic Cougar Standard Duty Open Back Cavity Wall Lintel - CG90/125 Benefits: Easy-to-use open back profile: Allows masonry to be built up continuously on both outer and inner leaf Materials used in Lintels: The CG, CH and CX ranges are formed from galvanised steel, then powder coated Duplex corrosion protection: Ensures optimum durability and longevity Built-in DPC: Saves time in construction and means cavity is easy to clean without risk of damage to DPC Integral Plaster key: With staggered slots applied to the inner flange and ribbed underside of insulation (perforated steel baseplate on CH and CX range) Continuous insulation: Maximising thermal efficiency, minimising cold bridging Product Applications: For 90-105mm Cavity, 125-140mm Wide Inner Leaf Features: Triangulated masonry load Supporting uniformly distributed masonry load Supporting uniformly distributed timber floor and roof loads Suitable for fair-faced inner leaf masonry Standard Lengths (mm) 900-1200 1500-1800 2100-2400 2700-3000 SWL 1:1/3:1 (kN) 12 17 20 26 Weight (kg/m) 6.5 8.1 9.4 13.3 Nominal height\'h\' (mm) 140 140 180 220 Notes: Standard lengths are available in increments of 150mm at lengths up to 1800mm, 300mm up tp 3000mm. The SWL (safe working load) is based on the total UDL (uniform distributed load) over maximum span using 150mm end bearings.