Description
The Keystone S/K-90 is a standard load lintel used to support openings with cavity widths of 90-105mm.
Features:
- Manufactured from high quality grade pre-galvanised mild steel.
- Blockwork built tight against inner face of the lintel.
- It is recommended to place mortar bed on top of blockwork before floor units are laid to provide even distribution of load.
- It is recommended that lintels are propped to facilitate speed of construction.
Technical data:
- Brand – Keystone
- Range – S/K-90
- Product Type – Standard Load Cavity Lintel
- Material – Mild Steel
- Finish – Galvanised
- Thickness – 2mm
- Height – 148mm
- Length – 2400mm
- Cavity Range – 90-105mm
- Outer Leaf – 102mm
- Inner Leaf – 100mm
- Total UDL kN 3:1 – 23
- Total UDL kN 19:1 – 18
Standards & Certifications:
- Have been tested as a composite unit with surrounding masonry, built in accordance with BS EN 1996-2:2006.
- Structural Performance in accordance with the requirements of standards BS EN 846-9:2016 and BS EN 845-2:2013+A1:2016.
- Fire Performance in accordance with BS 476: Part20: 1987
- BBA Approval Inspection Testing Certification 98/3493
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