Steel Lintel Calculator

Maximum lintel span per NCC Housing Provisions Table 6.3.5 — lintels supporting roof, floor and 3 m high exterior wall.

NCC Table 6.3.5a
Table Notes

Quick selection guide for Galintel® hot-dip galvanised steel lintels. Select construction category and enter clear span to find suitable products.

Galintel Notes
  1. Add end bearing of 100–150 mm to both ends of the clear span to determine bar length required.
  2. All load-bearing walls must have at least 3 courses of bricks over the opening.
  3. Props must be no further than 1.2 m apart and must remain in place until mortar has fully cured.
  4. Where control joints are used, reduce loading by one third.
  5. All Galintel® products are hot-dip galvanised to AS/NZS 4680:2006 with R3 durability rating.