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Box Lintels
Description

The IG box lintel has perforations along its length acting as a plaster key. Box lintels can be insulated with expanded polystyrene and conforms to BS 13163: 2008. The IG box lintel is designed to carry the full load of wet masonry as soon as it is installed. Box lintels are manufactured from pre-galvanized carbon steel to BS EN 10346: 2009 DX51D plus Z600 grade to BS 5977-2: 1983 (BS EN 845-2: 2003). There is a minimum galvanized zinc coating of 600 g/m² (including both sides).

General information

Material

Galvanized steel

To BS EN 10346: 2009.

Stainless steel

Grade 1.4307 to BS EN 10088-2. Other grades available on request: contact manufacturer.

Uniclass 2015

Pr_20_85_48_11 Carbon steel lintelsPrimary

CAWS

F30/755 Prefabricated steel lintels

F30/85 Prefabricated steel lintels

Specification data - Carbon steel lintels

Product Reference

BOX 75

For use in 100 mm wide solid walls. Standard load.

BOX 100

For use in 100 mm wide solid walls. Standard load.

BOX 140

For use in 140 mm wide solid walls. Standard load.

BOX 200

For use in 215 mm wide solid walls. Standard load.

HD BOX 100

For use in 100 mm wide solid walls. Heavy duty load.

HD BOX 140

For use in 140 mm wide solid walls. Heavy duty load.

HD BOX 200

For use in 215 mm wide solid walls. Heavy duty load.

Material

Galvanized steel

To BS EN 10346: 2009.

Stainless steel

Grade 1.4307 to BS EN 10088-2. Other grades available on request: contact manufacturer.

Length

As drawing

As schedule

Insulation

Not required

Required

Product Options

Length (manufactured in 150 mm increments):

  • BOX 75: 600–1800 mm.
  • BOX 100: 600–4800 mm.
  • BOX 140: 600–4800 mm.
  • BOX 200: 600–4800 mm.
  • HD BOX 100: 600–2700 mm.
  • HD BOX 140: 600–2700 mm.
  • HD BOX 200: 600–2700 mm.

Technical characteristics:

For Uniformly Distributed Load (UDL) figures, height and thickness of lintel ranges, consult manufacturers literature for details.

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