Catnic Cougar Standard Duty Open Back Cavity Wall Lintel - CG70/100 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, 100-115mm 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) 900-1500 1800 2100 2400 2700 3000-3600 SWL 1:1/3:1 (kN) 15 18 20 22 26 26 Weight (kg/m) 6.0 7.5 8.1 8.7 10.0 12.5 Nominal height\'h\' (mm) 140 140 160 180 220 220 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.