Keystone Lintel S/K-90 750mm

Manufactured for cavity widths of 90-105mm with an inner leaf of 100mm and an outer leaf of 95mm. Blockwork built tight against inner face of lintel. All Keystone Lintels standard lintels satisfy the Thermal Performance requirements of all UK Building Regulations.  

• Blockwork built tight against inner face of the lintel.
• 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