Manufactured from pre-galvanised mild steel BS EN 10346:2009 DX51D plus Z600 or grade Z275 to BS5977: part 2, 1983 (BS EN 845-2:2003). There is a minimum zinc coating of 600g/m² galvanising including both sides. Heavy duty timber frame lintels are insulated with expanded polystyrene.
Designed for use in timber frame construction these lintels provide support to the outer leaf to brickwork over openings - standard load, heavy duty load and extra heavy duty load. The TJ/K lintel range can be supplied to fit wider cavities.