Catnic Cougar Standard Duty Open Back Cavity Wall Lintel - CG70/125 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 70-85mm 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) 1200 1500-1800 2100-2400 2700-3000 SWL 1:1/3:1 (kN) 12 17 20 26 Weight (kg/m) 6.3 8.0 9.2 13.1 Nominal height\'h\' (mm) 140 140 180 220 Notes: Standard lengths are available in increments of 150mm at lengths up to 1800mm, 300mm at lengths from 2100mm - 3600mm. The SWL (safe working load) is based on the total UDL (uniform distributed load) over maximum span using 150mm end bearings.