Keystone CFS/K 90 3300mm Extra Heavy Duty Cavity Wall Lintel

Keystone CFS/K 90 3300mm Extra Heavy Durty Lintel

The Keystone CFS/K-90 Extra Heavy Duty Cavity Wall Lintel, measuring 3300mm in length, is specifically engineered for builders and contractors requiring reliable support for cavity walls 90-105mm wide. Its robust design makes it a dependable choice for heavy load-bearing openings on serious construction projects. Please note, all mortar joints must be fully filled and lintels propped during installation to ensure structural integrity.

• The Keystone XCFSK 90 is an extra heavy duty load lintel used to support openings with cavity widths of 90-105mm.


• Suitable for cavity widths of 90mm to 105mm. Ensure all perpendicular and horizontal joints are filled with mortar.


• Place mortar bed on top of blockwork before floor units are laid to provide even distribution of load.


• Lintels may be propped to facilitate speed of construction.