Keystone Lintel S/K-90 3450mm

S/K-90 (For cavity widths 90-105mm)

For standard load

Outer leaf 102mm

Inner Leaf 100mm

The blockwork is built tight against inner face of the steel lintel. Place mortar bed on top of blockwork before floor units are laid to provide even distribution of load. Steel Lintels may be propped to facilitate speed of construction. Features Minimum galvanized zinc coating of 600 g/m2 on both sides Satisfy the Thermal Performance requirements of England and Wales's Part L of the building regulations Keystone lintels are insulated with expanded CFC free polystyrene and conform to BS 13163: 2008

Length (mm)	Height (mm)	Thickness (mm)	Total UDL kN 3:1	Total UDL kN 19:1
600 - 1200	88	1.6	12	10
1350 - 1500	85	2.0	16	13
1650 - 1800	107	2.0	19	16
1950 - 2100	125	2.0	21	17
2250 - 2400	150	2.0	23	18
2550 - 2700	162	2.6	27	22
2850 - 3000	171	2.6	27	20
3150 - 3600	200	3.2	27	20
3750 - 4000	200	3.2	26	19
4200 - 4800	200	3.4	27	22